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Stainless steel ball

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Product description
Parameters

• Available materials

 >AISI 304~AISI 316

 >AISI 420~AISI 440

 

Chemical Composition

AISI Number

C% Si% Mn% Cr% Ni% Mo% P% S% hardness

AISI 304

0.07 Max 1.00 Max 2.00 Max 17.0~19.0 8.0~10.5   0.045 Max 0.03Max Slightly magnetic, flat hardness HRC 25min, corrosion resistance better than 4 series stainless steel
AISI 316 0.07 Max 1.00 Max 2.00 Max 16.5~18.5 10.5~13.5 2.00~2.50 0.045 Max 0.03 Max

Slightly magnetic, flat hardness HRC 25min, corrosion resistance is better than 304, especially for sulfuric acid and its compounds

AISI 420 0.07~0.25 1.00 Max 1.00 Max 12.0~14.0     0.045 Max 0.03 Max

Magnetic, hardenable, flat hardness, corrosion resistance of HRC 50min is better than 440

AISI 430

0.08 Max 1.00 Max 1.00 Max 15.5~17.5     0.045 Max 0.03 Max

Corrosion resistance under magnetic and high temperature environment

Better than 304 / 316, anti-steam nitric acid dairy products and petrochemical products, flat hardness HRB 85min

AISI 440

0.95~1.20 1.00 Max 1.00 Max 16.0~18.0     0.045 Max 0.02 Max

Matian bulk iron water, alcohol, petroleum, and food can resist corrosion, 1/8"below HV660-780, 1/8"has been on HRC58min

 

*304/316 stainless steel can be demagnetized by solid-melting heat treatment.

 

Applications:Bearings, chemical industry, household cleaning products, cosmetics, computer peripheral equipment and pharmaceutical products

Density:7.94g/cm³

Level:5~For grinding

Size:2.0~25.4mm

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Taian Zhongrui Steel Ball Co., Ltd

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Address: West End of Zhengfang Road, Maozhuang Industrial Park, Ningyang, Shandong, China

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