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Stainless Steel Ball 400 Series


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Martensitic stainless steel balls are a type of stainless steel ball that are known for their high strength, hardness, and wear resistance. They are available in a range of sizes and grades, depending on the specific application. Some common grades include 440C, 420C, and other stainless steels. These materials offer excellent corrosion resistance and can withstand high temperatures and harsh environments.

Product Description

Stainless Steel Ball

Material：AISI420/420C/440C/430 (SUS)

Diameters: 0.8mm to 50.8mm

Precision grades: GB/T308 & ISO3290 G10-G16-G20-G40-G100-G200

AFBAM G500/G1000

Chemical Compostion %										Hardness
Material	C	Si	Mn		P	S	Cr	Ni	Mo	HRC
AISI 420	0.16/0.25	1.00 max		1.00 max	0.04 max	0.03 max	12.0/14.0	0.75 max		52/58
AISI 420C	0.36/0.50	1.00 max		1.00 max	0.04 max	0.03 max	12.5/14.5	0.75 max		52/58
AISI 440C	0.95/1.20	1.00 max		1.00 max	0.04 max	0.03 max	16.0/18.0		0.40/0.80	58/64
AISI 430	0.08 max	1.00 max		1.00 max	0.04 max	0.03 max	16.0/18.0
Density				7.93	g/cm3