Alloy Steel SNCM439/1.6563/40CrNiMo/4340
Specification:
Diameter (mm) Length (mm)
Round bar: 12~200 4000~6000 Hot rolled
210~800 3000~5800 Forged
Thickness(mm) Width(mm) Length (mm)
Flat bars/blocks: 20~600 50~800 1000~5800
Delivery condition:
1. EAF+LF+VD, rolled /forged, UT pass.
2. Surface: Black surface, turned surface and milling surface according to customer's requirements.
3. Heat treatment such as normalizing or annealing or Q/T can be done according to customer's technical specifications.
Alloy Steel SNCM439/1.6563/40CrNiMo/4340, Chemical Composition |
| C | Si | Mn | Cr | Mo | Ni | P | S |
| 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.60-0.90 | 0.15-0.25 | 1.25-1.65 | ≤0.035 | ≤0.035 |
| Steel Grade: | 4340 | Standard: | AISI,ASTM,DIN | Dimensions: | Dia12mm-Dia800mm |
| Place of Origin: | Shanghai China (Mainland) | Brand Name: | YH | Model Number: | 1.6582 |
| Technique: | Hot Rolled | Application: | Die Steel Bar | Alloy Or Not: | Is Alloy |
| Special Use: | Mold Steel | Type: | Alloy Steel Bar | black: | Is Black |
| Material: | Steel Round Bar AISI 4340 round bar |
| Process: | EAF + LF + VD + Forged + Heat Treatment (optional) |
| Diameter: | 100mm-1200mm |
| Length: | 3000mm-12000mm Straightness: 3mm/M max |
| Heat treatment: | Normalized / Annealed / Quenched / tempered |
| Delivery condition: | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) |
| Technical Data: | According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing |