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  • A709 Grade HPS 50W
  • A709 Grade HPS 50W

A709 Grade HPS 50W

  • Steel Standard: ASTM A709/A709M
  • Rolling Type: High strength low alloy steel plate,Bridge steel plate
  • Thickness: 6mm-300mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: AR/Control-rolled/TMCP/QT
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■ Overview
ASTM A 709/A 709M A709 Grade HPS 50W is a kind of weathering steel plate with Cr,Ni,Mo alloy when rolling.The low alloy steel plate A709GRHPS 50W shall have an atmospheric corrosion resistance index of 6.0 or higher calculated from the heat analysis in according to steel guide G 101-predictive method based on the date of larabee and Coburn.When properly exposed to the atmosphere,these weathering steel sheet A709 Grade HPS 50W can be used bare and unpainted.
■ Full Data
Technical Requirements & Additional Services:
♦ High tension test
♦ Low temperature impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ When cooper steel is specified for A709Gr36,the content Cu≥0.20%
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands 
■ Techicals

Mechnical property for A709 Grade HPS 50W low alloy steel:

Yield strength (≥Mpa) Tensile strength (≥Mpa) Elongation in ≥,%
345 485 200mm 50mm
18 21

Chemical composition for A709GrHPS 50W low alloy steel (Heat Analysis Max%)

Main chemical elements composition of A709GrHPS 50W
C Si Mn P S Ni Cr Cu V Mo Al N
0.11 0.30-0.50 1.10-1.35 0.02 0.006 0.25-0.40 0.45-0.70 0.25-0.40 0.04-0.08 0.02-0.08 0.01-0.04 0.015

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