SHANGHAI UNITE STEEL
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SUJ4 Bearing Steel Bar , Hot Rolled Bearing , Cold Drawn Alloy Steel Round Bar
Applications: High Carbon Chromium Alloy Bearing Steel Bar SUJ4 used in Bearings, shaft, auto, machinery and equipment, etc.
Equivalent Grades:
| Standard | GB/T 18254 | CNS3014 | ISO 683/17 | JIS G4805 | ASTM A295 |
| Grade | GCr15SiMo | SUJ4 | 100CrMnMoSi8-6-4 | SUJ4 | Gr2 |
Chemical Composition:
| SUJ4 | C | Si | Mn | P | S | Cr | Mo | Ni | Cu |
| % | 0.95-1.10 | 0.40-0.70 | ≤0.50 | ≤0.025 | ≤0.025 | 1.30-1.60 | 0.10-0.25 | <0.25 | ≤0.25 |
Process:
EAF+LF+VOD+ Hot Rolled/forged+Cut+Heat Treatment(optional)+UT+package.
Size Range:
Dia: Cold drawn: 2.5-80 mm, Hot Rolled: 10mm-350mm, Hot forged: 150-800 mm.
Length: Not more than 12 m.
Delivery Condition:
Cold drawn, Hot rolled, Hot forged,Heat treatment.
Surface:
Black, Peeled (K12), Turned & Polished (H10, H11), Precision Ground (H9, H8).
Ultrasonic Test:
According to SEP 1921-84 .