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
SGFB-5 (C:0.80%, Cr:0.9%)
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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SGFB-5 (C:0.80%, Cr:0.9%)
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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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