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    175 Products
    About Steel
    industrial info icon

    Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.

    Weldable 4130 Alloy Steel Round Tubes

    Image of Product. Front orientation. Steel. Weldable 4130 Alloy Steel Round Tubes.
    Also known as chrome-moly steel, these 4130 alloy steel round tubes have low carbon content for good weldability. They’re often used for roll cages and frames. To increase their wear resistance, you can harden them with heat treating.
    Material Certificate Icon
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    OD
    ID
    Fabrication
    Heat
    Treatable
    Yield Strength,
    psi
    Hardness
    Max. Hardness After
    Heat Treatment
    Specs. Met
    3"
    Long
    1/2 ft.
    Long
    1 ft.
    Long
    3 ft.
    Long
    4 ft.
    Long
    6 ft.
    Long
    8 ft.
    Long
    12 ft.
    Long
    0.028" Thick Wall
    1/4"0.194"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K43900000000000000000000000
    3/8"0.319"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K46900000000000000
    1/2"0.444"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K47900000000000000
    5/8"0.569"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K48900000000000000
    3/4"0.694"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K43800000000000000
    1"0.944"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K499000000000000000
     
    0.035" Thick Wall
    3/16"0.118"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K11900000000000000
    1/4"0.18"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K2190000000000000000000000000
    5/16"0.243"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K239000000000000000000000000
    3/8"0.305"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K1490000000000000000000
    1/2"0.43"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K259000000000000000000000000
    5/8"0.555"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K279000000000000000000000000
    3/4"0.68"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K299000000000000000000000000
    7/8"0.805"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K849000000000000000
    1"0.93"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K339000000000000000
    1 1/8"1.055"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K919000000000000000
    1 1/4"1.18"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K369000000000000000
    1 3/8"1.305"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K979000000000000000
    1 1/2"1.43"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K389000000000000000
     
    0.049" Thick Wall
    1/4"0.152"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K2290000000000000000000
    5/16"0.215"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K24900000000000000
    3/8"0.277"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K159000000000000000000000000
    7/16"0.34"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K73900000000000000
    1/2"0.402"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K2690000000000000000000
    5/8"0.527"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K2890000000000000000000
    3/4"0.652"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K3290000000000000000000
    7/8"0.777"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K85900000000000000000000
    1"0.902"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K35900000000000000000000
    1 1/8"1.027"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K929000000000000000
    1 1/4"1.152"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K379000000000000000
    1 3/8"1.277"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K989000000000000000
    1 1/2"1.402"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K399000000000000000
    1 3/4"1.652"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K1890000000000000000
    2"1.902"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K4290000000000000000
     
    0.058" Thick Wall
    3/8"0.259"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K118000000000000000000000000
    7/16"0.322"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K128000000000000000
    1/2"0.384"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K1380000000000000000000000000000000
    5/8"0.509"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K1480000000000000000000000000
    3/4"0.634"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K1580000000000000000000000000
    7/8"0.759"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K1680000000000000000000000000
    1"0.884"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K17800000000000000000000
    1 1/8"1.009"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K188000000000000000
    1 1/4"1.134"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K198000000000000000
    1 3/8"1.259"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K218000000000000000
    1 1/2"1.384"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K228000000000000000
    1 3/4"1.634"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K238000000000000000
     
    0.065" Thick Wall
    1/4"0.12"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K5190000000000000000000
    5/16"0.183"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K53900000000000000
    3/8"0.245"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K449000000000000000000000000
    7/16"0.308"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K74900000000000000
    1/2"0.37"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K5590000000000000000000000000
    9/16"0.433"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K789000000000000000
    5/8"0.495"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K5790000000000000000000000000
    3/4"0.62"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K599000000000000000000000000000000
    7/8"0.745"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K86900000000000000000000
    1"0.87"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K639000000000000000000000000000000
    1 1/8"0.995"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K9390000000000000000000000000
    1 1/4"1.12"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K65900000000000000000000
    1 3/8"1.245"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K129000000000000000
    1 1/2"1.37"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K679000000000000000
    1 5/8"1.495"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K248000000000000000
    1 3/4"1.62"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K199000000000000000
    2"1.87"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K6990000000000000000
     
    0.083" Thick Wall
    3/8"0.209"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K4590000000000000000000000000
    7/16"0.272"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K759000000000000000
    1/2"0.334"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K56900000000000000000000
    9/16"0.397"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K799000000000000000
    5/8"0.459"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K589000000000000000
    3/4"0.584"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K629000000000000000
    7/8"0.709"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K879000000000000000
    1"0.834"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K6490000000000000000000000000
    1 1/8"0.959"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K949000000000000000
    1 1/4"1.084"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K669000000000000000000000
    1 3/8"1.209"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K139000000000000000
    1 1/2"1.334"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K689000000000000000
    1 5/8"1.459"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K2580000000000000000
    1 3/4"1.584"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K3190000000000000000
    2"1.834"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K7190000000000000000
     
    0.095" Thick Wall
    5/16"0.123"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K268000000000000000
    7/16"0.248"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K278000000000000000
    1/2"0.31"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K288000000000000000000000
    3/4"0.56"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K298000000000000000
    1"0.81"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K3180000000000000000000000000000000
    1 1/8"0.935"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K328000000000000000
    1 1/4"1.06"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K33800000000000000000000000000000000
    1 3/8"1.185"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K348000000000000000000000
    1 1/2"1.31"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K3580000000000000000000000
    1 5/8"1.435"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K3680000000000000000
    1 3/4"1.56"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K3780000000000000000
    2"1.81"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K3880000000000000000
    2 1/2"2.31"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K398000000000000000000000
     
    0.12" Thick Wall
    3/8"0.135"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K7290000000000000000000000000
    7/16"0.198"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K769000000000000000
    1/2"0.26"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K7790000000000000000000000000
    9/16"0.323"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K819000000000000000
    5/8"0.385"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K8290000000000000000000000000000000
    3/4"0.51"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K8390000000000000000000000000000000
    7/8"0.635"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K8890000000000000000000000000000000
    1"0.76"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K8990000000000000000000000000000000000000
    1 1/8"0.885"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K9590000000000000000
    1 1/4"1.01"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K96900000000000000000000000000000000
    1 3/8"1.135"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K16900000000000000000000000000000000
    1 1/2"1.26"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K17900000000000000000000000000000000
    1 3/4"1.51"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K34900000000000000000000000000000000000000
    2"1.76"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K419000000000000000000000
    2 1/4"2.01"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K52900000000000000000000000000
    2 1/2"2.26"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K5490000000000000000000000
    3"2.76"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K61900000000000000000
     
    0.156" Thick Wall
    5/8"0.313"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K418000000000000000000000
     
    0.188" Thick Wall
    5/8"0.249"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K99800000000000000000000
    3/4"0.374"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K2010000000000000000000000000000000
    1"0.624"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K3010000000000000000000000000000000000000
    1 1/8"0.749"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K401000000000000000000000
    1 1/4"0.874"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K428000000000000000000000
    1 1/2"1.124"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K501000000000000000000000000000000000
    2"1.624"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K6010000000000000000000000
    2 1/2"2.124"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K7010000000000000000000000
     
    1/4" Thick Wall
    1"1/2"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K8010000000000000000000000000000000000000
    1 1/2"1"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K6090000000000000000000000
    2"1 1/2"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-67368305T2300000
    2"1 1/2"SeamlessYes70,000Rockwell C19 (Medium)Not RatedSAE AMS6360, SAE AMS-T-673689955K59200000
    3"2 1/2"SeamlessYes70,000Rockwell C16 (Medium)Rockwell C49SAE AMS6360, SAE AMS-T-673689955K901000000000000000000000000000
     

    Multipurpose 4140 Alloy Steel Round Tubes

    Image of Product. Front orientation. Steel. Multipurpose 4140 Alloy Steel Round Tubes.
    Also known as chrome-moly steel, these alloy steel tubes resist fracturing from repeated stress. They’re used for a wide range of parts, including cylinders, rollers, and frames. For added wear resistance, they can be surface hardened with heat treating.
    Note: Tubes may be made from either 4140 or 4142 alloy steel. They are interchangeable in most applications.
    Material Certificate Icon
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    OD
    ID
    Fabrication
    Heat
    Treatment
    Heat
    Treatable
    Yield Strength,
    psi
    Hardness
    Max. Hardness After
    Heat Treatment
    Specs.
    Met
    3"
    Long
    1/2 ft.
    Long
    1 ft.
    Long
    3 ft.
    Long
    4 ft.
    Long
    6 ft.
    Long
    8 ft.
    Long
    1/2" Thick Wall
    2 1/2"1 1/2"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T110000000000000000000000000000000000000000000000
    2 3/4"1 3/4"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T120000000000000000000000000000
    3"2"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T130000000000000000000000000000
    3 1/4"2 1/4"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T2100000000000000000000000
    3 3/4"2 3/4"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T230000000000000000000000000000
    4"3"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T3100000000000000000000000
     
    5/8" Thick Wall
    3 1/4"2"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T22000000000000000000
    4"2 3/4"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T3200000000000000000000000
     
    3/4" Thick Wall
    3"1 1/2"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T240000000000000000000000000000
    3 1/4"1 3/4"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T25000000000000000000
    3 3/4"2 1/4"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T26000000000000000000000000
    4 1/4"2 3/4"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T27000000000000000000000000
    4 3/4"3 1/4"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T2800000000000000000000000000000
     
    1" Thick Wall
    3 1/2"1 1/2"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T290000000000000000000000000000
     
    1 1/4" Thick Wall
    4 1/2"2"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T3300000000000000000000000000
    5"2 1/2"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T3400000000000000000000000000
    5 1/2"3"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T3500000000000000000000000000
     
    2" Thick Wall
    6"2"SeamlessAnnealedYes60,000Rockwell B85 (Medium)Rockwell C60ASTM A5196920T360000000000000000000000
     

    Hard Wear-Resistant 52100 Alloy Steel Round Tubes

    Image of Product. Front orientation. Steel. Hard Wear-Resistant 52100 Alloy Steel Round Tubes.
    Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. It’s used for parts such as bearings, bushings, and punches.
    Material Certificate Icon
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    OD
    ID
    Fabrication
    Heat
    Treatable
    Yield Strength,
    psi
    Hardness
    Max. Hardness After
    Heat Treatment
    Specs.
    Met
    1 ft.
    Long
    3 ft.
    Long
    6 ft.
    Long
    0.245" Thick Wall
    1.207"0.688"Cold WorkedYes140,000Rockwell B100 (Hard)Rockwell C60ASTM A2957197N1100000000000000000000
     
    0.309" Thick Wall
    1.315"0.697"Cold WorkedYes140,000Rockwell B100 (Hard)Rockwell C60ASTM A2957197N1200000000000000000
     
    0.353" Thick Wall
    1.551"0.846"Cold WorkedYes140,000Rockwell B100 (Hard)Rockwell C60ASTM A2957197N1300000000000000000
     
    0.409" Thick Wall
    2.071"1.253"Cold WorkedYes140,000Rockwell B100 (Hard)Rockwell C60ASTM A2957197N1400000000000000000
     
    0.472" Thick Wall
    2.57"1.627"Hot RolledYes140,000Rockwell B100 (Hard)Rockwell C60ASTM A2957197N15000000000000000000
     
    0.807" Thick Wall
    3.138"1.524"Hot RolledYes50,000Rockwell B95 (Hard)Rockwell C60ASTM A2957197N16000000000000000000
     

    Weldable 4130 Alloy Steel Rectangular Tubes

    Image of Product. Front orientation. Steel. Weldable 4130 Alloy Steel Rectangular Tubes.
    Made from 4130 alloy steel, also known as chrome-moly steel, these tubes have low carbon content for good weldability. They’re often used for building frames and supports, since their flat sides make them easier to bolt than round tubes. To increase their wear resistance, you can harden them with heat treating.
    Material Certificate Icon
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    Outside
    Inside
    Corner
    Shape
    Ht.
    Wd.
    Ht.
    Wd.
    Inside
    Outside
    Fabrication
    Yield Strength,
    psi
    Hardness
    Max. Hardness After
    Heat Treatment
    Specs. Met
    1/2 ft.
    Long
    1 ft.
    Long
    2 ft.
    Long
    3 ft.
    Long
    6 ft.
    Long
     
    0.035" Thick Wall
    3/8"3/8"0.305"0.305"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366582K21000000000000000000000000000000
    1/2"1/2"0.43"0.43"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366582K220000000000000000000000000
    1/2"1"0.43"0.93"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366566K250000000000000000000000000
    5/8"5/8"0.555"0.555"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366582K230000000000000000000000000
    3/4"3/4"0.68"0.68"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366582K2400000000000000000000000000
    1"1"0.93"0.93"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366582K2600000000000000000000000000
     
    0.049" Thick Wall
    1/2"1"0.402"0.902"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366566K520000000000000000000000000
    5/8"5/8"0.527"0.527"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366582K270000000000000000000000000
    3/4"3/4"0.652"0.652"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366582K280000000000000000000000000
    3/4"1 1/2"0.652"1.402"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366566K3100000000000000000000000000
    1"1"0.902"0.902"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366582K2900000000000000000000000000
    1"1 1/2"0.902"1.402"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366566K5400000000000000000000000000
     
    0.065" Thick Wall
    1/2"1"0.37"0.87"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366566K3300000000000000000000000000
    5/8"5/8"0.495"0.495"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366582K3200000000000000000000000000
    3/4"3/4"0.62"0.62"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366582K4100000000000000000000000000
    1"1"0.87"0.87"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366582K4300000000000000000000000000
    1"1 1/2"0.87"1.37"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366566K34000000000000000000000000000
    1"1 3/4"0.87"1.62"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366566K35000000000000000000000000000
    1"2"0.87"1.87"RoundRoundSeamless75,000Rockwell C20 (Hard)Rockwell C49SAE AMS-T-67366566K56000000000000000000000000000
     

    Thick-Wall Iron and Steel Unthreaded Pipe Nipples and Pipe

    Thick, Schedule 80 walls give this pipe better strength than our standard-wall steel unthreaded pipe. Weld it to fittings and additional lengths of pipe. Welded connections are stronger than threaded connections and less likely to leak. It is for use in noncorrosive environments.
    Pipe—Unthreaded
    Image of Product. Male. Front orientation. Pipe and Fittings. Thick-Wall Iron and Steel Unthreaded Pipe Nipples and Pipe, Pipe—Unthreaded, Butt Weld/Socket Connect/Weld Socket Male.

    Male

    Seamless—Pipe has a smooth interior for unrestricted flow and is stronger than welded pipe.
    P22 Chrome-Moly Steel—P22 chrome-moly steel is stronger and easier to weld than plain steel. It resists scaling even in steam applications.
    Lg.,
    ft.
    Construction
    Pipe
    Schedule
    Material
    Each
    Butt Weld/Socket Connect/Weld Socket Male
     
    1/2 Pipe Size
    1Seamless80
    P22 Chrome-Moly Steel1982K27000000
    3Seamless80
    P22 Chrome-Moly Steel1982K33000000
     
    3/4 Pipe Size
    1Seamless80
    P22 Chrome-Moly Steel1982K2800000
    3Seamless80
    P22 Chrome-Moly Steel1982K34000000
     
    1 Pipe Size
    1Seamless80
    P22 Chrome-Moly Steel1982K2900000
    3Seamless80
    P22 Chrome-Moly Steel1982K35000000
     
    1 1/2 Pipe Size
    1Seamless80
    P22 Chrome-Moly Steel1982K31000000
    3Seamless80
    P22 Chrome-Moly Steel1982K36000000
     
    2 Pipe Size
    1Seamless80
    P22 Chrome-Moly Steel1982K32000000
    3Seamless80
    P22 Chrome-Moly Steel1982K37000000
     
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