High Quality Low Price 20-150mm Steel Forged Casting Grinding Ball

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Product Description 1. Products Information General Information Product Name Forged Grinding Balls HS Code 73261100 Size Range 10-160mm Specification 45#, 50Mn, 60Mn, 65Mn, B2, B3, B4, B6, BL, BG Surface Hardness 55-66HRC Impact Value >12J/cm2 Dropping Test 10,000-20,000 times Packaging Bags, Steel drums, Containers Chemical Composition (%) Steel Specification C Mn Si Cr S P 60Mn 0.57-0.65 0.70-1.00 0.17-0.37 ≤0.25 ≤0.035 ≤0.035 65Mn 0.62-0.72 0.90-1.2...

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Product Description

1. Products Information

General Information
Product Name	Forged Grinding Balls
HS Code	73261100
Size Range	10-160mm
Specification	45#, 50Mn, 60Mn, 65Mn, B2, B3, B4, B6, BL, BG
Surface Hardness	55-66HRC
Impact Value	>12J/cm2
Dropping Test	10,000-20,000 times
Packaging	Bags, Steel drums, Containers

Chemical Composition (%)
Steel Specification	C	Mn	Si	Cr	S	P
60Mn	0.57-0.65	0.70-1.00	0.17-0.37	≤0.25	≤0.035	≤0.035
65Mn	0.62-0.72	0.90-1.20	0.17-0.37	≤0.25	≤0.035	≤0.035
B2	0.72-0.85	0.70-0.90	0.17-0.36	0.40-0.60	≤0.035	≤0.035
B3	0.52-0.65	0.40-1.00	1.33-1.85	0.78-1.20	≤0.030	≤0.030
B4	0.65-0.75	0.50-0.70	1.20-1.40	0.85-1.00	≤0.025	≤0.025
B6	0.75-0.90	0.80-1.02	0.17-0.37	0.88-0.98	≤0.035	≤0.035
BU	0.95-1.05	0.95-1.05	0.15-0.35	0.45-0.55	≤0.035	≤0.035
BL	0.55-0.75	0.65-0.85	0.15-0.35	0.70-1.20	≤0.035	≤0.035
BG	0.90-1.05	0.35-0.95	0.15-0.35	1.0-1.70	≤0.035	≤0.035

Physical Features
Steel Specification	Impact Value (J/cm2)	Surface Hardness (HRC)	Core Hardness (HRC)	Diameter (mm)
60Mn	≥12	55-66	45-65	10-160
65Mn
B2
B3
B4
B6
BU
BL
BG