Durable and Affordable Carbon Steel from China Factory

P22 (10CrMo910) seamless steel pipe specifications: outer diameter φ16-630mm, wall thickness 2-50mm, length 6-12 meters (customizable). High temperature and high pressure resistant, suitable for power, chemical, boiler, and other fields. Leading Chinese factory supports non-standard sizes and heat treatment.

Delivery Time for T91 (10Cr9Mo1VNb) Seamless Steel Pipe: Regular Stock:** Common specifications (such as φ89×4.5mm, φ219×6mm, etc.) are generally in ample stock, with a delivery time of approximately 3-7 days. Customized Non-standard:** Special sizes, heat treatment conditions, or stringent testing requirements necessitate custom production, with a lead time of approximately 15-30 days, involving multiple processes including smelting, rolling, heat treatment, and testing.

As a source supplier, China Leading Innovation Factory maintains a stock of steel products covering all specifications with outer diameters from φ32 to φ426mm and wall thicknesses from 4 to 50mm. We also support custom rolling for ultra-large diameters and ultra-thick wall specifications exceeding φ630mm. We offer a one-stop, full-chain processing service: encompassing CNC length cutting, V/U-shaped welding and beveling, and prefabrication of pipe ends; supporting heat treatment services such as normalizing, high-temperature tempering, and stress-relief annealing; and providing a complete set of formal testing reports including UT ultrasonic testing, hydrostatic testing, and spectral material analysis, meeting the mandatory acceptance requirements of power and petrochemical projects. The entire process is traceable by furnace batch number, and non-standard customized production is flexible with stable delivery efficiency.

Seamless steel pipe manufacturers maintain a large inventory covering all specifications with outer diameters from φ32 to φ426mm and wall thicknesses from 4 to 40mm. For extra-large diameters and extra-thick wall special specifications (φ530 and above), custom rolling can be arranged with steel mills. Leading Chinese factories support custom cutting and beveling prefabrication; urgent orders can be prioritized for production.

42Cr seamless steel pipe manufacturers maintain a full inventory of hot-rolled and cold-drawn pipes in all specifications, supporting customization of non-standard outer diameters, wall thicknesses, and lengths. As a leading supplier in China, we offer one-stop services including length cutting, beveling, tempering, internal honing, and non-destructive testing. Material traceability is ensured throughout the process, with efficient production scheduling and delivery, catering to various machining and heavy-duty structural material needs.

42CrMo seamless steel pipes are available in two main categories: hot-rolled and cold-drawn. Leading Chinese manufacturers maintain a regular stock of hot-rolled pipes covering outer diameters of φ57~φ426mm and wall thicknesses of 4~50mm. Cold-drawn precision pipes cover outer diameters of φ10~φ159mm and wall thicknesses of 2~20mm. Custom rolling is available for extra-large diameters, extra-thick walls, and non-standard sizes. Custom length processing is also possible, making them suitable for heavy-duty machinery, high-pressure hydraulic cylinders, and other high-strength applications.