Hot Rolled Steel Round Bar (ZL-RB)
1.Dimension
Diameter: 10mm-320mm for hot rolled supply condition
5mm-100mm for cold drawn supply condition
80mm-1200mm for cold drawn supply condition
Length: 6000MM or as customer's request
2. Mechanical Property
Hardness:≤229HB(Hot rolled condition)
Tensile strength: ≥600MPA
Yield strength: ≥355MPA
Elongation: 25% Reduction of area: 55% AKV(impact value): 54J
3. Surface: Both end of each bar must be cut
Show heat No. On each bar
Black surface or bright smooth surface
4. Production Process/Process flow diagram
Hot charged metal+Scrap steel==>UHP electric arc furnace===>Ladle refining furnace==>VD furnace==>steel CCM==>Heating furnace==>continuous rolling==>finishing==>finished Round steel
5. Payment term: TT30% Prepaid+70% against BL copy or 100% LC at sight
6. Delivery time: Within 40days for new material, within 10days for stock products
7. Application/Usage
Automobiles, engineering machinery, railway and mine, power boilers and petrochemical Industry, ocean engineerings, wind power projects and bearings, etc.
Specification:
| OD |
Length |
Material |
Standard |
Technique |
| 10-260mm |
6-12m or as customer required |
20# |
GB ASTM DIN |
Hot rolled |
| 16-350mm |
45# |
| 200-500mm |
45# |
Forged |
| 20-250mm |
20Cr,40Cr,20-42CrMo |
Hot rolled |
| 50-300mm |
GCr15 |
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