McMaster-Carr logo
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    88 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.

    Multipurpose Low-Carbon Steel 90° Angles

    Image of Product. Front orientation. Steel. Multipurpose Low-Carbon Steel 90° Angles.
    Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as frames, supports, and edge protectors.
    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
    Ht.
    Wd.
    Ht.
    Wd.
    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
    4 ft.
    Long
    6 ft.
    Long
    8 ft.
    Long
    10 ft.
    Long
     
    1/8" Thick Wall
    1/2"1/2"3/8"3/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K1240000000000000000000000000000000000
    3/4"3/4"5/8"5/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K4240000000000000000000000000000
    1"1"7/8"7/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K4440000000000000000000000000000
    1 1/4"1 1/4"1 1/8"1 1/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K4740000000000000000000000000000
    1 1/2"1 1/2"1 3/8"1 3/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K48400000000000000000000000000000
    1 3/4"1 3/4"1 5/8"1 5/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K13000000000000000000000000
    2"1 1/2"1 7/8"1 3/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K1100000000000000000000000000000
    2"2"1 7/8"1 7/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K49400000000000000000000000000000
     
    3/16" Thick Wall
    1"1"13/16"13/16"Hot Rolled36,000Not RatedNot RatedASTM A369017K14400000000000000000000000000000
    1 1/4"1 1/4"1 1/16"1 1/16"Hot Rolled36,000Not RatedNot RatedASTM A369017K150000000000000000000000000000
    1 1/2"1 1/2"1 5/16"1 5/16"Hot Rolled36,000Not RatedNot RatedASTM A369017K59400000000000000000000000000000
    1 3/4"1 3/4"1 9/16"1 9/16"Hot Rolled36,000Not RatedNot RatedASTM A369017K1640000000000000000000
    2"1 1/2"1 13/16"1 5/16"Hot Rolled36,000Not RatedNot RatedASTM A369017K1700000000000000000000000000000
    2"2"1 13/16"1 13/16"Hot Rolled36,000Not RatedNot RatedASTM A369017K1840000000000000000000000000000000000
    2 1/2"2 1/2"2 5/16"2 5/16"Hot Rolled36,000Not RatedNot RatedASTM A369017K22400000000000000000000000000000
    3"2"2 13/16"1 13/16"Hot Rolled36,000Not RatedNot RatedASTM A369017K300000000000000000000000000000
    3"3"2 13/16"2 13/16"Hot Rolled36,000Not RatedNot RatedASTM A369017K24400000000000000000000000000000000000
     
    1/4" Thick Wall
    1"1"3/4"3/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K65400000000000000000000000000000
    1 1/4"1 1/4"1"1"Hot Rolled36,000Not RatedNot RatedASTM A369017K7600000000000000000000000000000
    1 1/2"1 1/2"1 1/4"1 1/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K6740000000000000000000000000000000000
    1 3/4"1 3/4"1 1/2"1 1/2"Hot Rolled36,000Not RatedNot RatedASTM A369017K780000000000000000000000000
    2"1 1/2"1 3/4"1 1/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K77000000000000000000000000000000
    2"2"1 3/4"1 3/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K69400000000000000000000000000000000000
    2 1/2"1 1/2"2 1/4"1 1/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K790000000000000000000000000
    2 1/2"2"2 1/4"1 3/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K8000000000000000000000000000000
    2 1/2"2 1/2"2 1/4"2 1/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K714000000000000000000000000000000
    3"2"2 3/4"1 3/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K81000000000000000000000000000000
    3"2 1/2"2 3/4"2 1/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K82000000000000000
    3"3"2 3/4"2 3/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K73400000000000000000000000000000000000
    3 1/2"3 1/2"3 1/4"3 1/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K31000000000000000000000000000000
    4"3"3 3/4"2 3/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K83000000000000000000000000000000000000
    4"4"3 3/4"3 3/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K754000000000000000000000000000000000000000000
    5"3"4 3/4"2 3/4"Hot Rolled36,000Not RatedNot RatedASTM A369017K840000000000000000000000000000000
     
    5/16" Thick Wall
    3"2"2 11/16"1 11/16"Hot Rolled36,000Not RatedNot RatedASTM A366983N21000000000000000
    3 1/2"3 1/2"3 3/16"3 3/16"Hot Rolled36,000Not RatedNot RatedASTM A366983N22000000000000000
    4"4"3 11/16"3 11/16"Hot Rolled36,000Not RatedNot RatedASTM A366983N23000000000000000
    5"3 1/2"4 11/16"3 3/16"Hot Rolled36,000Not RatedNot RatedASTM A366983N25000000000000000
    6"3 1/2"5 11/16"3 3/16"Hot Rolled36,000Not RatedNot RatedASTM A366983N28000000000000000000000
    6"4"5 11/16"3 11/16"Hot Rolled36,000Not RatedNot RatedASTM A366983N29000000000000000000000
     
    3/8" Thick Wall
    2"2"1 5/8"1 5/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K85000000000000000000000000000000
    2 1/2"2 1/2"2 1/8"2 1/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K86000000000000000000000000000000000000
    3"2"2 5/8"1 5/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K87000000000000000000000000000000000000
    3"3"2 5/8"2 5/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K88000000000000000000000000000000000000
    3 1/2"3 1/2"3 1/8"3 1/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K370000000000000000
    4"3"3 5/8"2 5/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K32000000000000000000000000000000000000
    4"4"3 5/8"3 5/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K890000000000000000000000000000000000000
    5"3"4 5/8"2 5/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K3300000000000000000000000000
    5"5"4 5/8"4 5/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K900000000000000000000000000
    6"4"5 5/8"3 5/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K340000000000000000000000000000000000000
    6"6"5 5/8"5 5/8"Hot Rolled36,000Not RatedNot RatedASTM A369017K380000000000000000
     
    1/2" Thick Wall
    2 1/2"2 1/2"2"2"Hot Rolled36,000Not RatedNot RatedASTM A369017K91000000000000000000000000000
    3"3"2 1/2"2 1/2"Hot Rolled36,000Not RatedNot RatedASTM A369017K920000000000000000000000000000000000000
    4"4"3 1/2"3 1/2"Hot Rolled36,000Not RatedNot RatedASTM A369017K9300000000000000000000000000000000000000
    5"3"4 1/2"2 1/2"Hot Rolled36,000Not RatedNot RatedASTM A369017K350000000000000000000000
    5"5"4 1/2"4 1/2"Hot Rolled36,000Not RatedNot RatedASTM A369017K940000000000000000000000
    6"6"5 1/2"5 1/2"Hot Rolled36,000Not RatedNot RatedASTM A369017K950000000000000000000000000000000000000000
     
    5/8" Thick Wall
    4"4"3 3/8"3 3/8"Hot Rolled36,000Not RatedNot RatedASTM A366983N2400000000000000000
    6"6"5 3/8"5 3/8"Hot Rolled36,000Not RatedNot RatedASTM A366983N3200000000000000000
     
    3/4" Thick Wall
    4"4"3 1/4"3 1/4"Hot Rolled36,000Not RatedNot RatedASTM A366983N2600000000000000000
    5"3 1/2"4 1/4"2 3/4"Hot Rolled36,000Not RatedNot RatedASTM A366983N2700000000000000000
    6"4"5 1/4"3 1/4"Hot Rolled36,000Not RatedNot RatedASTM A366983N3100000000000000000
    7"4"6 1/4"3 1/4"Hot Rolled36,000Not RatedNot RatedASTM A366983N3400000000000000000
    8"6"7 1/4"5 1/4"Hot Rolled36,000Not RatedNot RatedASTM A366983N35000000000000000000
    8"8"7 1/4"7 1/4"Hot Rolled36,000Not RatedNot RatedASTM A366983N36000000000000000000
     
    1" Thick Wall
    6"6"5"5"Hot Rolled36,000Not RatedNot RatedASTM A366983N33000000000000000000
    8"8"7"7"Hot Rolled36,000Not RatedNot RatedASTM A366983N37000000000000000000
     
    3 mm Thick Wall
    30 mm30 mm27 mm27 mmHot Rolled36,000Not RatedEN 10025-29017K610000000000000000
     
    4 mm Thick Wall
    40 mm40 mm36 mm36 mmHot Rolled36,000Not RatedEN 10025-29017K560000000000000000
     
    5 mm Thick Wall
    50 mm50 mm45 mm45 mmHot Rolled36,000Not RatedEN 10025-29017K5200000000000000000
     
    6 mm Thick Wall
    40 mm40 mm34 mm34 mmHot Rolled36,000Not RatedEN 10025-29017K5700000000000000000
    70 mm70 mm64 mm64 mmHot Rolled36,000Not RatedEN 10025-29017K5400000000000000000
     

    Corrosion-Resistant Low-Carbon Steel 90° Angles

    Image of Product. Front orientation. Steel. Corrosion-Resistant Low-Carbon Steel 90° Angles.
    These 90° angles are galvanized for good corrosion resistance. Also known as mild steel, low-carbon steel is easy to machine and form. It's widely fabricated into parts that don’t require high strength, such as frames, supports, and edge protectors.
    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
    Specs.
    Met
    1 ft.
    Long
    3 ft.
    Long
    6 ft.
    Long
    8 ft.
    Long
     
    1/8" Thick Wall
    1/2"1/2"3/8"3/8"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K701000000000000
    3/4"3/4"5/8"5/8"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K110000000000
    1"1"7/8"7/8"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K120000000000
    1 1/4"1 1/4"1 1/8"1 1/8"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K130000000000
    1 1/2"1 1/2"1 3/8"1 3/8"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K560000000000
    2"2"1 7/8"1 7/8"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K580000000000000000
     
    3/16" Thick Wall
    1"1"13/16"13/16"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K7020000000000
    1 1/2"1 1/2"1 5/16"1 5/16"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K7030000000000
    2"2"1 13/16"1 13/16"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K14000000000000000
    3"2"2 13/16"1 13/16"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K7050000000000
    3"3"2 13/16"2 13/16"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K704000000000000000
     
    1/4" Thick Wall
    1 1/2"1 1/2"1 1/4"1 1/4"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K61000000000000000
    2"2"1 3/4"1 3/4"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K63000000000000000
    3"2"2 3/4"1 3/4"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K7060000000000
    3"3"2 3/4"2 3/4"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K6400000000000000000000000
    4"3"3 3/4"2 3/4"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K7070000000000
    5"3"4 3/4"2 3/4"RoundSquareHot Rolled36,000Rockwell B70 (Medium)ASTM A368968K7080000000000
     
    back to top