DT3, Dia 20mm-120mm grinding media steel balls on China auto parts B2B Marketplace

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Dia 20mm-120mm grinding media steel balls

FOB Price : Negotiable Get Latest Price
Brand Name : DT3
Model Number : DT3

Place of Origin : China
Min.Order Quantity : 10 Ton / Tons
Payment Terms : T/T L/C

Supply Ability : 10000 Ton / Tons per Month
Delivery Detail : 7 days
Port : Qingdao

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Product Details
Product Description

Product Details

Application:mining

Material:Steel

Product Description

Key Specifications/Special Features:

Forged grinding steel ball
Material: 75MNCR
Size from diameter 20 to 150mm
Chemical composition (%): C 0.75-0.85, SI 0.17-0.35, MN 0.7-0.9 CR 0.4-0.6, AL 0.01-0.06 S/P 0.03 maximum CU 0.2 maximum NI 0.2max
Hardness: HRC60-65
Packing: by steel drums or flexible container bags
Grinding balls are widely used in the ball mill for mines, cement plants, power stations, chemical industries
It has the characters of: no breakage, good wear resistance, no deformation, uniformity of the hardness from surface to core

Chemical composition:

Material	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
60MN	0.57-0.65	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
75Mn	0.72-0.92	0.17-0.37	0.7-1.0	0.4-0.6	0.035max	0.035max
75MnCr	0.70-0.85	0.7-0.8	0.17-0.37	0.2-0.7	0.03 max	0.03 max
75SiMn	0.70-0.90	0.7-1.2	0.4-0.8	0.25 max	0.03 max	0.03 max

Specifications:

Impact Test AK.J/cm2	Endurance Test Times (5m)	Dia 25mm-60mm	Dia 70mm-100mm
		Surface	Core	Surface	Core
50MN	≥12	≥10000	≥56	≥35	≥56	≥28
60MN	≥13	≥10000	≥58	≥38	≥58	≥29
65MN	≥15	≥12000	≥60	≥42	≥60	≥30
75MnCr	≥17	≥12000	≥60	≥52	≥60	≥50
75 SiMn	≥16	≥12000	≥60	≥50	≥60	≥48

Raw Material:

Strict quality control of steel material from BIG STEEL FACTORY GROUP.You know the good grinding balls quality depends on the good raw material.

Prodcution Line:

1.Traditional Hammer Forging: Raw material-Cutting-Heating-Forging-Quenching-Tempering-Testing-Packing

2. Hot Rolling

Testing:

Quality control for each production shift (4hours/Shift);

Hardness, chemical elements and impact testing after production for each production shift;

SGS –third party testing before each delivery

Our advantage:

1. We are a direct manufacturer,located in the largest production base of forged grinding steel ball in China.We are very pleased to offer you the most competitive price.All products with high quality would pass the third party inspection before shipment.

2. The Heat treatment technology is very perfect, especially the tempeing process,which increase the hardness of the forging steel ball and nake the product more wear-resisting.

3. Our forged steel grinding ball has been exported to Japan,Indonesia,Malaysia and many other countries and have got great reputation from our customer at home and abroad.

4. Free Samples Can be Provided.

Our Services

1. Free samples for your test before orders;

2. Soonest delivery time ;

3. Cooperate with many famours shipping companies,and sent the goods to your port safe and in time;

4. Any feedback after sales would get our soonest reply.