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About Steel
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Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Steel Balls
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Multipurpose Low-Carbon Steel—Low-carbon steel balls are our easiest steel balls to machine. They are often used for parts that don’t require high strength, such as knobs. These balls can be surface hardened with heat treating for added wear resistance.
Dia. | Dia. Tolerance | Heat Treatment | Yield Strength, psi | Mechanical Finish | Hardness | Appearance | Pkg. Qty. | Pkg. | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
Multipurpose Low-Carbon Steel | |||||||||||
| 1/16" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K71 | 00000 | ||
| 3/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K72 | 0000 | ||
| 7/64" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,000 | 96455K111 | 00000 | ||
| 1/8" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K49 | 0000 | ||
| 9/64" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,000 | 96455K112 | 00000 | ||
| 5/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K73 | 0000 | ||
| 11/64" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 750 | 96455K113 | 00000 | ||
| 3/16" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K51 | 0000 | ||
| 7/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K74 | 0000 | ||
| 1/4" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K52 | 0000 | ||
| 17/64" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K114 | 00000 | ||
| 9/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K75 | 00000 | ||
| 5/16" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K53 | 0000 | ||
| 11/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K76 | 0000 | ||
| 3/8" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K54 | 00000 | ||
| 13/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K115 | 00000 | ||
| 7/16" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K55 | 0000 | ||
| 15/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K116 | 00000 | ||
| 1/2" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K56 | 00000 | ||
| 9/16" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K57 | 00000 | ||
| 5/8" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 50 | 96455K58 | 00000 | ||
| 11/16" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 25 | 96455K117 | 00000 | ||
| 3/4" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 25 | 96455K59 | 00000 | ||
| 7/8" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 20 | 96455K77 | 00000 | ||
| 1" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 10 | 96455K62 | 00000 | ||
| 1 1/4" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 5 | 96455K118 | 00000 | ||
| 1 1/2" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 5 | 96455K119 | 00000 | ||
| 2" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1 | 96455K121 | 00000 | ||
| 1 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,500 | 96455K122 | 00000 | ||
| 1.5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,500 | 96455K123 | 00000 | ||
| 2 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,500 | 96455K124 | 00000 | ||
| 2.5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,500 | 96455K125 | 00000 | ||
| 3 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,000 | 96455K126 | 00000 | ||
| 3.5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,000 | 96455K127 | 00000 | ||
| 4 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,000 | 96455K128 | 00000 | ||
| 4.5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K129 | 00000 | ||
| 5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K131 | 00000 | ||
| 5.5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K132 | 00000 | ||
| 6 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K133 | 00000 | ||
| 6.5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K134 | 00000 | ||
| 7 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K135 | 00000 | ||
| 8 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K136 | 00000 | ||
| 9 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K137 | 00000 | ||
| 10 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K138 | 00000 | ||
| 12 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 50 | 96455K139 | 00000 | ||
| 13 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K141 | 00000 | ||
| 14 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K142 | 00000 | ||
| 15 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 50 | 96455K143 | 00000 | ||
| 16 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 50 | 96455K144 | 00000 | ||
| 18 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 25 | 96455K145 | 00000 | ||
Highly Corrosion-Resistant 316 Stainless Steel Balls
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Trusted in marine and chemical-processing valves, these balls stand up to some of the most highly corrosive environments. Made of 316 stainless steel, they hold up to sulfuric acid, chlorine, and other harsh chemicals in temperatures as high as 1500° F. They’re a step up from balls made of 304, which have similar strength and temperature performance. They’re passivated to wash away surface particles that cause rust, and they’re polished to a mirror-like finish that contaminants can’t stick to. The result is balls that stay smooth and stand the test of time. They’re made to strict ISO 3290 standards for roundness and surface quality.
Although 316 balls aren’t as wear resistant as 440C balls, they’re easier to fabricate. They’re also nonmagnetic.
Grade 100—Great for mechanical applications where you don’t need the exacting tolerances of Grade 25.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Stainless Steel Balls | 5 lb. Packs of Stainless Steel Balls | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dia. | Dia. Tolerance | Mechanical Finish | Hardness | Specs. Met | Magnetic Properties | Appearance | Pkg. Qty. | Pkg. | Pkg. Qty. | Pkg. | ||||
Grade 100 | ||||||||||||||
| 1/16" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 100 | 96415K68 | 00000 | — | ——— | 0 | ||
| 3/32" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 100 | 96415K69 | 0000 | — | ——— | 0 | ||
| 1/8" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 100 | 96415K71 | 0000 | — | ——— | 0 | ||
| 5/32" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 100 | 96415K72 | 0000 | — | ——— | 0 | ||
| 3/16" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 100 | 96415K73 | 0000 | 5,000 | 96415K111 | 0000000 | ||
| 7/32" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 50 | 96415K74 | 00000 | — | ——— | 0 | ||
| 1/4" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 50 | 96415K75 | 00000 | 2,125 | 96415K112 | 000000 | ||
| 5/16" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 25 | 96415K76 | 00000 | — | ——— | 0 | ||
| 3/8" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 10 | 96415K77 | 0000 | — | ——— | 0 | ||
| 7/16" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 10 | 96415K78 | 00000 | — | ——— | 0 | ||
| 1/2" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 5 | 96415K79 | 0000 | 260 | 96415K113 | 000000 | ||
| 9/16" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 5 | 96415K83 | 00000 | — | ——— | 0 | ||
| 5/8" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 5 | 96415K84 | 00000 | — | ——— | 0 | ||
| 3/4" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 1 | 96415K81 | 0000 | 75 | 96415K114 | 000000 | ||
| 7/8" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 1 | 96415K87 | 00000 | — | ——— | 0 | ||
| 1" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 1 | 96415K82 | 00000 | — | ——— | 0 | ||
| 1 1/8" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 1 | 96415K89 | 00000 | — | ——— | 0 | ||
| 1 1/4" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 1 | 96415K91 | 00000 | — | ——— | 0 | ||
| 1 3/8" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 1 | 96415K92 | 00000 | — | ——— | 0 | ||
| 1 1/2" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 1 | 96415K93 | 00000 | — | ——— | 0 | ||
| 2" | -0.001" to 0.001" | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 1 | 96415K94 | 00000 | — | ——— | 0 | ||
| 2.5 mm | -0.013 mm to 0.013 mm | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 250 | 96415K265 | 0000 | — | ——— | 0 | ||
| 3 mm | -0.013 mm to 0.013 mm | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 250 | 96415K54 | 0000 | — | ——— | 0 | ||
| 3.5 mm | -0.013 mm to 0.013 mm | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 100 | 96415K541 | 0000 | — | ——— | 0 | ||
| 4 mm | -0.013 mm to 0.013 mm | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 50 | 96415K57 | 0000 | — | ——— | 0 | ||
| 5 mm | -0.013 mm to 0.013 mm | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 50 | 96415K581 | 0000 | — | ——— | 0 | ||
| 6 mm | -0.013 mm to 0.013 mm | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 50 | 96415K588 | 0000 | — | ——— | 0 | ||
| 7 mm | -0.013 mm to 0.013 mm | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 25 | 96415K637 | 0000 | — | ——— | 0 | ||
| 8 mm | -0.013 mm to 0.013 mm | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 25 | 96415K773 | 00000 | — | ——— | 0 | ||
| 10 mm | -0.013 mm to 0.013 mm | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 10 | 96415K777 | 00000 | — | ——— | 0 | ||
| 12 mm | -0.013 mm to 0.013 mm | Tumbled | Rockwell C25 (Hard) | ISO 3290 | Nonmagnetic | Mirror Like | 10 | 96415K938 | 00000 | — | ——— | 0 | ||
Hollow 440A Stainless Steel Balls
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These lightweight balls are often used in floats, valves, and other parts to regulate liquid level and flow. Made of 440A stainless steel, they resist impact and corrosion in temperatures up to 250° F. Their polished surface prevents contaminants from sticking to them.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Dia. | Dia. Tolerance | Wall Thk. | Hardness | Specs. Met | Each | |||
|---|---|---|---|---|---|---|---|---|
Hardened 440A Stainless Steel | ||||||||
| 1" | -0.005" to 0.005" | 0.054" | Rockwell C55 (Extra Hard) | SAE AMS-QQ-S-763 | 9327K33 | 000000 | ||
