forged steel grinding ball from China manufacturer - Shandong dahan construction Co.,Ltd

Price:	650.0~1000.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Shandong, China (Mainland)


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Product Detail

Model No.: B2

Production Capacity: 1000 tons /month

Delivery Date: 10-15 days after the contra...

Means of Transport: Ocean

Packing: container bags ;steel drum

Brand Name: Jinan Zhongwei

Dia 20-150mm
Hardness 50-65
unbreakable

THE PROCESS LINE OF PRODUCTION

a.The Material: The high quality Alloy Steel Material

b.Chemcial Elements

Name	C	Mn	Si	Cr	S	P
50Mn	0.48-0.56	0.70-1.0	0.17-0.37	0.25 max	0.035max	0.035max
65Mn	0.60-0.70	0.90-1.20	0.17-0.37	0.25 max	0.035max	0.035max
75MnCr	0.70-0.85	0.7-0.8	0.17-0.37	0.7-0.9	0.03 max	0.03 max
40MnCr	0.45-0.50	0.7-1.2	0.17-0.37	0.9-1.1	0.03 max	0.03 max

c.Mechanical Properties

Name	Impact Test AK.J/cm2	Endurance Test Times (5m)	Dia 25mm-60mm		Dia 70mm-100mm
Name	Impact Test AK.J/cm2	Endurance Test Times (5m)	Surface	Core	Surface	Core
50Mn	≥12	≥10000	≥56	≥50	≥55	≥50
65Mn	≥15	≥12000	≥60	≥50	≥55	≥50
75MnCr	≥17	≥12000	≥60	≥52	≥60	≥50
40MnCr	≥16	≥12000	≥60	≥50	≥60	≥50

d.Specification and Hardness of Grinding 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
DIA 20 DIA 25 DIA 30 DIA 40 DIA 50	+2 -1	32 64 110 263 513	31250 15625 9090 3802 1949	60-65	≥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

We sincerelywelcome customers from both at home and abroad to come to negotiate business with us. We are committed to with you to establish long-term cooperation.

Our serious promise: supplying you with high quality products, competitive prices, timely delivery, and satisfactory service. We are always insisting on the theory of "Quality first,Credit goal,and Mutual profits". Let's build a better future.

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