Product Description

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.
*1_Boiler Tube
■ Specification: ASME SA***3
■ Steel Grade: TP**4H, TP**0H, TP**1H, TP**7H
■ Size:OD*9.****1.6mm, WT2.****6.0mm, Max Length:*6meters
■ 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.
*2_ (Super) Duplex Stainless Steel Tube
■ Specification: ASME SA***9,ASME SA***0
■ Steel Grade: UNS S****1, S****0, S****4, S****3 S****5, S****0, S****0
■ Size Range:
Product Standard OD(mm) WT(mm)
Seamless Tube ASME SA***9 *2.****3.2 0.**6.*5
ASME SA***0 6.****5 0.***0
Welded Tube ASME SA***9 *2.****3.2 0.***0
ASME SA***0 *0.*****0 0.***0
ASME SA***8 *0.****6.4 0.***0
■ Application: Seawater environment, petro-chemical industry, fertilizer industry, oil refining industry, oil and gas industry, energy environmental industries, papermaking and food industry etc.
*3_ Heat Exchanger Tube
■Specification:ASME SA***3,ASME SA***8,ASME SA***9,ASME SA***9,
ASME SB***3,ASME SB***3.
■ Steel Grade: TP**4, TP**4H, TP**6, TP**6L, TP**6Ti, TP**6LN, TP**7L, TP**1, TP**1H, TP**7, TP**7H, TP**0S, S****0, S****0, **4L, S****3(S****5), N****0, N****5, N****5, Ti Grade2
■ Size:
Product OD(mm) WT(mm)
Seamless Tube *2.***6.2mm 0.**6.*5mm
Welded Tube *2.***6.2mm 0.**3.**5mm
■ 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.
*4_High(Low) Pressure Heater Tube(Bending tube)
■Specification: ASME SA***8
■ Steel Grade: TP**4, TP**4L, TP**6, TP**6L
■ Size:
Product OD(mm) WT(mm)
Seamless Tube *2.***8.1mm 0.**3.**5mm
Welded Tube *5.*****8.1mm 0.**4.0mm
■ Application: widely used in Heat Exchanger for petrochemical equipment, auxiliary machinery, high & low pressure feed water heater.
*5_Marine Pipe
■ Specification: ASME SA***2,ASME SA***9,ASME SA***3
■ Steel Grade: TP**4/L/H, TP**6/L/Ti, TP**7/L, TP**1/H, TP**7H, TP**0S, UNS S****3,S****5, S****0, S****0
■ Size:
Product OD(mm) WT(mm)
Seamless Tube 6.****5mm 0.***5.0mm
Welded Tube *4.****7mm 0.***5.0mm
■ Application: widely used in ship building.