Large Diameter Thick-Walled High Frequency Galvanized Manufacturers Direct Sale Welding LSAW Steel Pipe

Precision Tolerance Control: Diameter tolerance up to 0.3% D and wall thickness tolerance up to 3% S for high precision applications.

Bright Annealing Process: Closed furnace with argon and nitrogen protection ensures clean, oxide-free surface and better mechanical performance.

Comprehensive Material Range: Supplies Austenitic, Super Austenitic, Duplex, Nickel Alloy, Nickel, and Titanium grades including 304, 316L, 254SMO.

Advanced Manufacturing Equipment: Features high-speed precision multi-roll mills, automatic heat piercing lines, and temperature-controlled annealing furnaces.

Rigorous Quality Inspection: Equipped with spectrometer, ultrasonic detectors, eddy current flaw detectors, and hydrostatic test machines.

Professional Technical Support: Engineers provide immediate remote guidance for pre-sales, during sales, and after-sales technical difficulties.

Third-Party Inspection Accepted: Cooperates with SGS, TUV, BV, DNV-LG, LR, and ABS for factory inspection to ensure product excellence.

Door-to-Door Shipment: Seamless transportation from origin to destination, fully cooperating with customer delivery schedules.