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Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.

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What is ASTM A420 WPL6 pipe fitting?

The ASTM A420 WPL6 pipe fitting means the butt weld pipe fittings whose material is ASTM A420 grade WPL6.ASTM A420 is standard specification for piping fittings of wrought carbon steel and alloy steel for low-temperature service.So ASTM A420 WPL6 pipe fittings are specially used in low temperature conditions.(Standard content of ASTM A420 material)

ASTM A420 WPL6 Pipe Fittings In Haihao Group

ASTM A420 WPL6 Pipe Fittings In Haihao Group

Chemical composition of A420 WPL6 material:

Grade C Mn P S Si
WPL6(1)(2) 0.3 0.60-1.35 0.035 0.04 0.15-0.30

Mechanical properties of A420 WPL6 material:

Tensile Requirements WPL6
Tensile Strength
min, ksi [MPa]
Yield Strength
min, ksi [MPa]

ASTM A420 WPL6 pipe fittings are one kind of butt welding pipe fittings,they are commonly produced from the steel pipes of ASTM A333 Grade 6.This material should be arranged the charpy V impact test in temperature of -46℃,to make sure it can work in a lower temperature service.For example in cold weather,winter or deep-sea water offshore projects.(How to produce ASTM A420 WPL6 pipe fittings?)

Hebei Haihao Group can supply the ASTM A420 WPL6 pipe fittings as per clients requirement.Our plant acquired world class approved certificates like the API,ISO9001,ISO14001,CE/PED,ABS and we keep the cooperation with many professional third perty inspection agencies,such as the SGS,BV,LR,ABS,VELOSI etc.

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