Lifeng offers a wide range of stainless steels, duplex steels and product forms in the industry. We produce, stock and supply in all standard mill forms, from large ingots and billets to plate, sheet, strip, tubing, forging, pipe fitting, bar and wire.
01_Boiler Tube
■ Specification: ASME SA-213
■ Steel Grade: TP304H, TP310H, TP321H, TP347H
■ Size:OD19.0-101.6mm, WT2.11-16.0mm, Max Length:26meters
■ Tubes are produced by hot extrusion & cold rolled and protected heat treatment method.
■ Application: widely used in power-generating, heating and ventilation industry industry. Boiler tubes are a part of tubing components of utility and industrial boilers.
02_ (Super) Duplex Stainless Steel Tube
■ Specification: ASME SA-789,ASME SA-790
■ Steel Grade: UNS S32001, S31500, S32304, S31803 S32205, S32760, S32750
■ Size Range:
Product Standard OD(mm) WT(mm)
Seamless Tube ASME SA-789 12.7-203.2 0.5-6.35
ASME SA-790 6.0-325 0.5-30
Welded Tube ASME SA-789 12.7-203.2 0.5-40
ASME SA-790 10.3-2000 0.5-40
ASME SA-928 10.3-406.4 0.5-10
■ Application: Seawater environment, petro-chemical industry, fertilizer industry, oil refining industry, oil and gas industry, energy environmental industries, papermaking and food industry etc.
03_ Heat Exchanger Tube
■Specification:ASME SA-213,ASME SA-688,ASME SA-249,ASME SA-789,
ASME SB-423,ASME SB-163.
■ Steel Grade: TP304, TP304H, TP316, TP316L, TP316Ti, TP316LN, TP317L, TP321, TP321H, TP347, TP347H, TP310S, S32750, S32760, 904L, S31803(S32205), N06600, N08825, N04405, Ti Grade2
■ Size:
Product OD(mm) WT(mm)
Seamless Tube 12.7-76.2mm 0.5-6.35mm
Welded Tube 12.7-76.2mm 0.5-3.175mm
■ Application: widely used in the whole range of process industries-chemical and petrochemical, oil processing, natural gas processing, food & drink, pulp & paper, power generation including nuclear.
04_High(Low) Pressure Heater Tube(Bending tube)
■Specification: ASME SA-688
■ Steel Grade: TP304, TP304L, TP316, TP316L
■ Size:
Product OD(mm) WT(mm)
Seamless Tube 12.7-38.1mm 0.5-3.175mm
Welded Tube 15.875-38.1mm 0.5-4.0mm
■ Application: widely used in Heat Exchanger for petrochemical equipment, auxiliary machinery, high & low pressure feed water heater.
05_Marine Pipe
■ Specification: ASME SA-312,ASME SA-789,ASME SA-213
■ Steel Grade: TP304/L/H, TP316/L/Ti, TP317/L, TP321/H, TP347H, TP310S, UNS S31803,S32205, S32750, S32760
■ Size:
Product OD(mm) WT(mm)
Seamless Tube 6.0-325mm 0.5-25.0mm
Welded Tube 14.0-457mm 0.5-45.0mm
■ Application: widely used in ship building.