| Carbon steel round bar |
| Material: | 817M40 forged steel round bar |
| 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) |
| Size: | Customized according to customer needs |
| Delivery Time： | 30-45 days |
| MOQ: | 20 tons |
| Heat treatment: | Normalized / Annealed / Quenched / tempered |
| Technical Data： | According to the customer's requirement of ChemicalComposition, 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 TT; Balance pay before the shipment against shipping document or irrevocable LC at sight |
| similar steel grade | 40CrNiMoA. AISI4340 39CrNiMO, 40NiCRM022, SNCM439 |