Company Profile
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Our manufacturing facility has an illustrious history in the steel industry. Relocating to an expanded industrial zone in 2013, the facility now commands an impressive expanse of 26,600 square meters, complemented by a substantial construction area of 11,800 square meters. For over three decades, we have specialized in the precision manufacturing of high-quality seamless steel tubes and pipes.
Product Description
Chromium molybdenum steel (Chromoly), an alloy of chromium (Cr), molybdenum (Mo), iron (Fe), and carbon (C), is known as medium temperature hydrogen resistant steel. Due to its exceptional performance, it is vital for manufacturing valves and pressure vessels resistant to high temperatures and pressures. It is the preferred choice for high-end automotive and motorcycle chassis and suspension systems.
The application of chromoly steel pipes in the automotive industry provides significant advantages: lightweight structure, superior strength, and excellent corrosion resistance. These pipes are also widely utilized in oil wells and heat exchange equipment.
Product Parameters
Equivalent Material Reference
| GB | ASTM/ASME | EN | JIS | DIN |
| 15CrMo | T12/P12 | 13CrMo4-5 | SCM415 | 13CrMo4-5 |
| 30CrMo | 4130 | - | SCM430 | - |
| 35CrMo | 4135 | - | SCM435 | 34CrMo4 |
| 42CrMo | 4140 | - | SCM440 | 42CrMo4 |
GB/T 8162 Seamless Steel Tubes for Structural Purposes
| Grade | Ultimate Strength(Mpa) | Yield Strength(Mpa) | Elongation(%) | Hardness HBW |
| 15CrMo | 440 | 295 | 22 | 179 |
| 35CrMo | 980 | 835 | 12 | 229 |
| 42CrMo | 1080 | 930 | 12 | 217 |
Processing & Size Capabilities
| Size | OD 15mm-75mm | Thickness 1-12mm |
| Condition | BK (+C), BKW (+LC), BKS (+SR), GBK (+A), NBK (+N) |
| Surface | Bright, Galvanized, Phosphated, Oiled |
| Packing | Woven bag, Bundle packing, or as per request |
Frequently Asked Questions
Are you a manufacturer or a trading company?
We are a professional manufacturer specializing in seamless steel pipes with over 30 years of experience. We provide a wide range of steel products with competitive pricing and excellent after-sales support.
How do you ensure on-time delivery?
Honesty is our core principle. We promise to deliver high-quality products on time, regardless of market price fluctuations.
Do you provide free samples?
Yes, we can provide samples to customers free of charge. However, the freight cost is initially covered by the customer and will be refunded once a formal cooperation is established.
What certifications do you hold?
We hold ISO9000, IATF16949, and ISO 14001 certificates. Our products undergo strict engineering reviews by our development team.
What are your standard payment terms?
We typically accept 30% T/T in advance with the balance due before shipment or against the B/L copy. We also accept 100% Irrevocable L/C at sight.
Do you accept third-party inspections?
Yes, we absolutely welcome third-party inspections to ensure product compliance and customer peace of mind.