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  • 产品名称: Steel grinding ball
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Company Information

Our company has obtained ISO 9001 International Quality System Authentication, ISO14001 Environmental System Management Authentication and ISO18001 occupational health and safety certification, safety standardization identification, clean production enterprise certification.

Our company has won the "Shandong Province Famous Brand", "Shandong Famous Trademark", "Leading Forged Steel Ball Manufacturer in China ", "High-tech Enterprise "and "Contract Abiding and Promise Keeping Enterprise", etc.

Product Name:

Steel Grinding Balls

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

 

Packing:

Container bags(Net weight:1000KGS) or Steel drums(850-900KGS) or in clients' requirements

Key words : steel grinding balls

 
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Contact us

Contact: Peter Yang
 

E-mail:peteryang@grindingballs.net.cn
Skype:yang.grindingballs@outlook.com
Mobile(Whatsapp):+86 13176006313

Contact: Nina Wong
 

E-mail:nina.wong@aliyun.com
WhatsApp:+86 15552536018