20mm-150mm FORGED STEEL BALL

forged steel ball: (1)Diameter:DIA20-150MM (2)Hardness:HRC50-65 (3)Package:flexible container bag or steel drum Spcification:

1.Chemical composition:

Item	C	Cr	Si	Mn	S	P	Cu	Mo	Ni	Hardness
Element	0.6-1.2%	≤ 1.0	0.15-0.6	0.6-1.5	≤ 0.04	≤0.04	≤0.1	≤0.25	≤0.1	55-65

2.Specification and Hardness of Forged Steel Ball

Nominal diameter (mm)	Diameteical tolerance (mm)	Weight of Single of forging ball in average	Number of piece of One ton forging ball in average	Surface hardness	Impact toughness
DIA20 DIA 25 DIA 30 DIA 40 DIA 50	+2 -1	32 64 110 263 513	31250 15625 9090 3802 1949	55-65	≥12
DIA 60 DIA 70 DIA 80 DIA 90 DIA 100	+3 -2	888 1410 2104 2996 4110	1126 709 475 333 243
DIA 110 DIA 120 DIA 130	+4 -2	5457 7102 9030	182 140 110
DIA 140 DIA 150	+4 -3	11278 13871	88 72

3.Features: (1) Characteristics: a)good grinding resistance b) Good even wear c) No breaking (2) Applied fields: a) Mines b) Cement plants c) Power stations d) Chemical industry 6.Outer packing: one ton flexible container bags or steel drums

20mm-150mm FORGED STEEL BALL