| Material Chemical Composition (%) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Standard | Steel Grade | C | Si | Mn | P | S | Cr | Mo |
| ASTM A519 | 4130/30CrMo | 0.28-0.33 | 0.15-0.35 | 0.40-0.60 | ≤0.04 | ≤0.04 | 0.8-1.1 | 0.15-0.25 |
| ASTM A519 | 4140/42CrMo | 0.38-0.43 | 0.15-0.35 | 0.75-1 | ≤0.04 | ≤0.04 | 0.8-1.1 | 0.15-0.25 |
| Mechanical Performance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| CW | SR | A | N | ||||||
| RM Tensile (Mpa) | Elongation(%) | RM Tensile (Mpa) | Elongation(%) | RM Tensile (Mpa) | Rel Yield (Mpa) | Elongation(%) | RM Tensile (Mpa) | Rel Yield (Mpa) | Elongation(%) |
| - | - | 724 | 10 | 517 | 379 | 30 | 621 | 441 | 20 |
| - | - | 855 | 10 | 552 | 414 | 25 | 855 | 621 | 20 |
We are a leading group company specializing in high-quality steel production. One of our primary manufacturing facilities focuses on producing high-precision steel tubes for the automotive industry and hydraulic systems, while another produces steel forgings for Marine, Power, Boiler, Ocean, Oil, Petrochemical, and Mechanical fields.
Our operations cover a total area of 150,000 square meters. All products undergo a rigorous double-inspection process by professional quality controllers to ensure compliance with international standards. We provide comprehensive inspection reports for all tested items, ensuring that only top-tier products are delivered to our global clientele. Our core commitment is to quality and customer satisfaction through dedicated service.