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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-2 (C:0.6%)
1. Chemical Composition: Product Name, Grade, and Chemical Composition (%): CSiMnCrMoCuPS Forged Steel Balls SGFB-2: 0.57–0.70, 0.17–0.37, 0.7–1.0, ≤0.20, ≤0.10, ≤0.10, ≤0.04, ≤0.04 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-2 Φ25–Φ30: 59–65
Keywords:
SGFB-2 (C:0.6%)
Category:
Product Description
1. Chemical Composition:
|
Product Name |
Grade |
Chemical Composition (%) |
|||||||
|
C |
Yes |
Mn |
Cr |
Mo |
Cu |
P |
S |
||
|
Forged steel ball |
SGFB-2 |
0.57-0.70 |
0.17-0.37 |
0.7-1.0 |
≤0.20 |
≤0.10 |
≤0.10 |
≤0.04 |
≤0.04 |
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-2 |
Φ25~Φ30 |
59-65 |
56-62 |
59-64 |
≥13 |
M+B+C |
Φ25~Φ70 |
* |
|
Φ40~Φ50 |
59-64 |
47-53 |
53-58 |
|||||
|
Φ60~Φ70 |
58-64 |
42-47 |
48-53 |
80≤Φ≤150 |
10000 |
|||
|
Φ80~Φ90 |
56-62 |
38-43 |
45-50 |
|||||
|
Φ100~Φ150 |
53-59 |
32-37 |
38-43 |
|||||
|
M—Martensite, B—Bainite, C—Carbide |
||||||||
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