Taian Xinyuan Steel Ball, AISI440, 1.588mm to 25.4mm, G40 to G1000

Model Number: XYB---AISI440-#0327 Brand Name: XYB Key Specifications/Special Features: Taian Xinyuan Precision Steel Ball Co.,LtdStainless Steel Ball AISI 440440 Stainless Steel balls are a martenistic-type stainless steel which is used extensively in steel ball bearing applications that require hardness, dimensional stability, corrosion resistance and toughness.440 Stainless Steel is also used for corrosion-resistant ball and check valves.440 ball are resistant to corrosion from fresh water, steam, crude oil, gasoline, perspiration, alcohol, blood and food stuffs. Maximum resistance to corrosion and tarnishing is only achieved when 440 is fully hardened and surfaces are polished to a high luster. 440 is also magnetic.Materials:

Carbon: 0.95-1.20%
Chromium: 16.0-18.0%
Silicon: 1.00%
Manganese: 1.0% max.
Phosphorus: 0.040%
Sulfur: 0.030%
Molybdenum: 0.075%

Mechanical Properties

Tensile strength: 285,000 psi
Yield strength: 275,000 psi
Modulus of elasticity: 29,000,000 psi
Density: 0.277 lbs/cubic inch

All standard steel balls are always in stock and ready for immediate off-the-shelf delivery. If your application calls for custom balls, send us your specifications and we’ll glady meet them.