Shougang Steel Balls – Manufacturer and Partner of Grinding Media!
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Shougang Metallurgical Building Materials Co., Ltd., Fengrun District, Tangshan City
Address: Baiguantun Economic Development Zone, Fengrun District, Tangshan City, Hebei Province
Website: www.sgsteelball.cn
Website: www.sgsteelball.com
Forged steel ball
1. Chemical Composition: Product Name, Grade, and Chemical Composition (%): CSiMnCrMoCuPS Forged Steel Balls SGFB-5: 0.75–1.05, 0.15–0.40, 0.78–1.00, 0.85–1.20, ≤0.50, ≤0.50, ≤0.035, ≤0.035 2. Hardness, Impact Toughness, Microstructure, and Fatigue Life: Grade/Model (mm) | Surface Hardness (HRC) | Core Hardness (HRC) | Bulk Hardness (HRC) | Impact Value (Ak: J/cm²) | Microstructure | Drop‑Ball Impact Fatigue Life (Height: 3.5 m) SGFB‑5 Φ100~
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Forged steel ball
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Product Description
1. Chemical Composition:
|
Product Name |
Grade |
Chemical Composition (%) |
|||||||
|
C |
Yes |
Mn |
Cr |
Mo |
Cu |
P |
S |
||
|
Forged steel ball |
SGFB-5 |
0.75-1.05 |
0.15-0.40 |
0.78-1.0 |
0.85-1.20 |
≤0.50 |
≤0.50 |
≤0.035 |
≤0.035 |
2. Hardness, impact toughness, microstructure, and fatigue life:
|
Grade |
Model number |
Surface hardness |
Inner hardness |
Volumetric hardness |
Impact value |
Microstructure |
Drop-ball impact fatigue life |
|
SGFB-5 |
Φ100~Φ110 |
60-65 |
59-64 |
60-65 |
≥13 |
M+B+C |
≥12000 |
|
Φ120~Φ127 |
60-65 |
59-64 |
60-65 |
||||
|
Φ133 |
60-65 |
58-63 |
60-65 |
||||
|
Φ140 |
59-64 |
57-62 |
58-63 |
||||
|
Φ150 |
55-61 |
53-58 |
54-59 |
||||
|
M—Martensite, B—Bainite, C—Carbide |
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