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ASTM A709 Grade HPS 70W Steel — Specifications & Listings

ASTMHigh performance weathering steel for bridge construction with 485 MPa (70 ksi) yield strength. Superior toughness, weldability and corrosion resistance compared to conventional weathering steels.

Forms: Plate Category: Mild Steel
Grade Details
GradeASTM A709 Grade HPS 70W
StandardASTM
DescriptionHigh performance weathering steel for bridge construction with 485 MPa (70 ksi) yield strength. Superior toughness, weldability and corrosion resistance compared to conventional weathering steels.
Applications
Chemical Composition (%)
C Mn Si P S Cu Cr Ni Mo
<=0.11 1.10-1.35 0.30-0.50 <=0.020 <=0.006 0.25-0.40 0.45-0.70 0.70-1.00 0.02-0.08
Mechanical Properties
tensile_strength 585 MPa min
yield_strength 485 MPa min
elongation 19% min
hardness 170-210 HB

Active ASTM A709 Grade HPS 70W Listings on M-EX

ASTM A709 Grade HPS 70W Plate
3.200 MT
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ASTM A709 Grade HPS 70W Plate
2.800 MT
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