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Material: | c20 |
Diameter: | 20mm-1200mm |
Length: | 3000mm-12000mm Straightness: 3mm/M max |
Process: | EAF + LF + VD + Forged + Heat Treatment (optional) |
Delivery condition: | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) |
Delivery Time: | 30-45 days |
MOQ: | 20 tons |
Heat treatment: | Normalized / Annealed / Quenched / tempered |
Technical Data: | According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing |
Test: | Ultrasonic test according to SEP 1921-84 G3 C/c |
Marking: | Grade, heat NO. length will be stamped one each bar with required color |
Payment: | 30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight |
Application: | Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears. |
C(%): 0.17~0.23Mn(%): 0.30~0.60P(%)≤: 0.040S(%)≤: 0.050
| T (°C) | Treatment | |
| 7.7-8.03 | 25 | |
| 0.27-0.30 | 25 | |
| 190-210 | 25 | |
| 1158 | 25 | oil quenched, fine grained, tempered at 425°C |
| 1034 | ||
| 15 | ||
| 53 | ||
| 335 | 25 | oil quenched, fine grained, tempered at 425°C |
Production Process and Equipment:
Maching process:
Testing:
Shipments:
Quality Certificates: