| Place of Origin: | China (Mainland) |
|---|---|
| Brand Name: | Xinda |
| Model Number: | 4340 |
| Delivery Condition: | hot rolled/forged,annealed |
| Surface Condition: | Black Surface,Turned Surface |
| Tolerance on diameter: | -0/+2.0mm(for turned surface);-0/+5.0mm(for black surface) |
| Length: | above 2.5m |
| Qualification: | ISO 9001 |
Quick Details
Specifications
| AISI 4340 steel bars | |||||||
| Chemical Composition(%) | |||||||
| C | Si | Mn | P | S | Cr | Mo | Ni |
| 0.38-0.43 | 0.15-0.35 | 0.60-0.80 | ≤0.030 | ≤0.030 | 0.70-0.90 | 0.20-0.30 | 1.65-2.00 |
| Heat Treatment | |||||||
| annealed, Q+T | |||||||
| Melting Process | |||||||
| 1. EAF: Electric Furnace+LF+VD(Optional) | |||||||
| 2. ESR: Electric Furnace+LF+VD+Eleroslag Remelted(Optional) | |||||||
| UT Class | |||||||
| According to Standard of SEP 1921/84,100% Volume, Level C/c, D/d or E/e | |||||||
| Tolerance on Quantity | |||||||
| +/-10% Per Size | |||||||