
Seamless Alloy Steel Pipe Suppliers in China | High Pressure Pipe Factory
Our premium Alloy Steel Pipes, specifically the Bright Annealing Seamless variants, are engineered for high-performance industrial applications. Manufactured with precision to meet rigorous international standards, these pipes offer exceptional mechanical properties and superior corrosion resistance, making them the ideal choice for demanding environments including high-pressure boilers and petrochemical plants.
Designed for versatility and durability, our alloy piping solutions support a wide range of critical fluid transport roles—from hydraulic and gas systems to chemical fertilizer and oil pipelines. By integrating advanced heat treatment and precise metallurgical control, we ensure every pipe delivers maximum reliability and operational safety for your infrastructure.
| Outer Diameter | 42mm – 760mm | Wall Thickness | 4mm – 120mm |
|---|---|---|---|
| Steel Grades | P195/235/265GH, 13CrMo4-5, 10CrMo9-10 | Standard | API / EN10216 / AiSi |
| Length | 5.8m – 12m (Customizable) | Processing | Hot Rolled / Cutting Service |
| Certification | API, ISO9001 | Tolerance | ±1% |
| Surface Treatment | Origin / Non-oiled | Supply Ability | 800 Metric Tons per Month |
Specifically engineered for high-pressure boiler heating surfaces and superheaters to ensure zero leakage.
Efficient production cycles with delivery as fast as 7 days for quantities up to 20 metric tons.
Strict adherence to API and ISO9001 standards ensuring premium material integrity for every batch.
Professional cutting and sizing services tailored to your exact technical drawings and requirements.
Extensive range of diameters (42-760mm) and thicknesses (4-120mm) to fit any engineering need.
Seaworthy packaging dispatched from major ports like Shanghai and Tianjin for secure global delivery.
Real-time tracking of alloy pipe stocks ensuring MOQ of 1 Ton is always ready for dispatch.
Rigorous testing protocols for P195 and 13CrMo4-5 grades to meet API standards.
Transparent lead time updates from 7 to 15+ days depending on your metric ton volume.
Optimized shipping routes from Shanghai and Tianjin ports to reduce transit costs.
Export-grade seaworthy packaging customized for various modes of international transport.
Expert guidance on material selection for boiler, hydraulic, and chemical fertilizer applications.
| Order Volume | Lead Time (Days) | Efficiency Gain |
|---|---|---|
| 1 - 20 Tons | 7 Days | High Response |
| 21 - 50 Tons | 10 Days | Optimized Flow |
| 51 - 100 Tons | 15 Days | Bulk Scaling |
| >100 Tons | Negotiated | Max Cost-Saving |
| Custom Orders | Project Based | Precision Fit |
We provide specialized grades including P195, P235, P265GH, 13CrMo4-5, and 10CrMo9-10, all suitable for high-pressure boiler heating surfaces and superheaters.
Our pipes range from an outer diameter (OD) of 42mm to 760mm, with wall thicknesses ranging from 4mm to 120mm to meet diverse industrial needs.
Yes, all our products are supplied with recognized certificates, including API and ISO9001, ensuring they meet global industry standards.
Absolutely. While standard lengths are 5.8m to 12m, we offer custom length cutting and specific processing services based on your project requirements.
They are widely used in petrochemical industries, oil and gas pipelines, hydraulic systems, and as boiler tubes or economizer components.
Our MOQ is 1 Ton. We ship via professional seaworthy packaging from Shanghai and Tianjin ports in China.