Shandong JinNai International Trade Co., Ltd.
Shandong JinNai International Trade Co., Ltd.
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SGS HRC58 High Precision 440C Stainless Steel Ball For Bearing 20mm 22mm
440 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.
440c Steel Balls Chemical composition
| %C | %Si | %Mn | %P | %S | %Cr | %Ni | %N | |
| 0.95-1.2 | 1.00 max | 1.00 max | 0.040 max | 0.030 max | 16.00-18.00 | 0.75 | - |
Application of Stainless Steel Ball
440C stainless steel ball is used in the industry of high precision and anti-rust: such as aviation, spaceflight,
bearings, valve, electrical machine, high precision instruments and oil.
Packing & Shipping
A. Steel Drum packing
1) 250kg per steel drum;
2) Four steel drums in one pallet;
3) Drum with pallet size: 75CM*75CM*65CM.
B. Plywood Box packing
1) 40 cartons/woven bag in one plywood box;
2) Plywood box size:80CM*65CM*80CM.
Our Advantage
1. Professional manufacturer of steel balls since 1988.
2. Non-standard sizes of steel balls supplied.
3. Special types of steel balls supplied.
4. RoHS certified by SGS,ISO
5. Small MOQ with competitive price.
6. Fast delivery based on quality guaranteed.
7. Small quantity of free samples could be provided.
8. All inquiries and messages will be replied in 24 hours.