China Plate Steel Bar, Forging Plate, [4340], Alloy Forged Steels, Find details about China [4340]Turned Steel Rollers, Steel Plate from Plate Steel Bar, Forging Plate, [4340], Alloy Forged Steels
| Material: | 4340 steel sheet alloy steel, forged steel bars |
| Diameter: | 80mm-1200mm (optional) |
| Length: | 1000mm-12000mm Straightness: 3mm/M max(optional) |
| 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 |
| Properties: | Yield=310 Mpa Minimum; Tensile=600 Mpa minimum; %EI=13min,Surface Hardness=BHN160-220(As your request) |
| 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 |
| similar steel grade | 40CrNiMoA, AISI4340,39CrNiMO,40NiCRMo22,SNCM439 |