Chrome Steel Balls

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1
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Pieces
Origin

China Mainland
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Description

Product Detail

Chrome steel balls, also called bearing steel balls, are the most widely used bearing balls in the ball and roller bearing industry and for a variety of automobile applications. The material of our chrome steel balls uses high chromium bearing steel GCr15 and GCr15SiMn. With high-quality material, MZ chrome steel balls offer prefect precision, outstanding surface roughness, proper hardness, superior wear resistance and high load bearing capacity. Our steel ball factory supply chrome steel balls in size range 0.5 mm – 82.55 mm, precision grade G 10 – G200. Especially 25.4 mm – 82.55 mm big size high precision chrome steel balls are our principal products. MZ chrome steel balls make your bearing roll smoother.

CHROME STEEL BALL
Size range	0.50mm (0.02") up to 82.55mm (3-1/4")
Grades	G3, G5, G10, G16, G20, G24, G28, G40, G60, G100, G200

MATERIAL CONVERSION
GB (China)	Gcr15	GCr15SiMn
ASTM/AISI (USA)	52100	*
????(Russia)	?X15	?X15C?
BS (UK)	534A99	*
JIS (Japan)	SUJ2	SUJ3
NF (France)	100C6	100CrMn6
VDEh (Germany)	100Cr6 (1.3505)	1.3520

CHEMICAL COMPOSITION (Gcr15)
Material	GCr15	GCr15SiMn
Chromium (Cr)	1.40% - 1.65%	1.40% - 1.65%
Carbon (C)	0.95% - 1.05%	0.95% - 1.05%
Manganese (Mn)	0.25% - 0.45%	0.95% – 1.25%
Silicon (Si)	0.15% - 0.35%	0.45% – 0.75%
Phosphorous (P)	=0.025%	=0.025%
Sulphur (S)	=0.020%	=0.020%
Molybdenum (Mo)	=0.10%	=0.10%
Nickel (Ni)	=0.25%	=0.25%
Copper (Cu)	=0.25%	=0.25%

PHYSICAL CONSTANTS
Material	GCr15	GCr15SiMn
Density (g/cm3)	7.8	7.8
Hardenability	Good	Excellent
Wear Resistance	Excellent	Excellent
Anti-rust	No	No
Anti-corrosion	No	No
Magnetic	Yes	Yes