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China Grinding Media Steel Balls for Copper Mining

Min. Order / Reference FOB Price
1 Ton	US $700.00/ Ton

Local Area:	Jinan, Shandong, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, PayPal

Material:	Iron
Content:	100%
Usage:	Mine, Cement Plant, Power Station

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Product Description

FORGED STEEL BALL CHEMICAL ELEMENTS AND HARDNESS

MaterialChemical elementsCSiMnP/SCrB20.72-0.850.17-0.370.7-1.0<0.040.4-0.660Mn0.55-0.650.17-0.370.7-1.0<0.04<0.2545#0.42-0.500.17-0.370.5-0.8<0.035≤0.25B30.58-0.661.6-1.90.65-0.8<0.0250.7-0.9
Hardness

Material

25mm-50mm
HRC
60mm-90mm
HRC
100mm-125mm
HRC
SurfaceCoreSurfaceCoreSurfaceCoreB260-6558-6258-6350-5556-6040-4560Mn58-6355-6058-6340-4556-6030-3545#55-5845-5555-5830-3550-5525-30B3 58-6256-60

Weight and Microstructure of Forged Balls
(mm)
Nominal diameter(mm)
Diametrical Tolerance(kg)
Approx weight per ballAverage number
per MTMicrostructure25+1.5,-0.50.06415625

M+B+C
(M-Martensite;
B-Bainitic;C-Carbide)
30+1.5,-0.50.11909040+2.0,-1.00.26384650+2.0,-1.00.51196160+3.0,-2.00.89112470+3.0,-2.01.471480+3.0,-2.02.147690+3.0,-2.03333100+4.0,-3.04.1244110+4.0,-3.05.47283120+4.0,-3.07.1141130+4.0,-3.09.02111
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