86-635-2111838
Sihe Village, Jiangguantun Office, Development Zone, Liaocheng, Shandong, China (Mainland)
Manufacturer Preferential Supply 4140/42crmo4 1.7225/scm 440 38crmoal / 34cralmo5 Alloy Steel Bar , Find Complete Details about Manufacturer Preferential Supply 4140/42crmo4 1.7225/scm 440 38crmoal / 34cralmo5 Alloy Steel Bar,42crmo4 Alloy Steel Round Bars,Alloy Steel Round Bars,34cralmo5 Alloy Steel Bar from Steel Round Bars Supplier or Manufacturer-Liaocheng Tianrui Steel Pipe Co., Ltd.
Specifications | ||||||
| 1.hot rolled black surface | ||||||
| 2. fine mechanical performance | ||||||
| 3. AISI/ASTM 4140,42CrMo4 Din1.7225,SCM440 JIS | ||||||
1. Delivery condition: Hot-rolled,black surface. | ||||||
| 2. Chemical composition: | ||||||
| C | Si | Mn | P | S | Cr | Mo |
| 0.38-0.45 | ≤0.4 | 0.6-0.9 | ≤0.035 | ≤0.030 | 0.9-1.2 | 0.15-0.30 |
| 3. Process: EAF + LF + VD + Forged + Heat Treatment (optional) | ||||||
| 4. Delivery condition: Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | ||||||
| or cold-drawn. | ||||||
| 5. Technical data: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing | ||||||
| 7. Test: ultrasonic test according to SEP 1921-84 3C/c | ||||||
| 8. Material details will be as per agreed technical specifications | ||||||
| 9. Certificate of Quality: issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness), forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality. | ||||||
| 10. Marking: Heat No. will be cold | ||||||
