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ASTM A709 Grade HPS70W steel
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ASTM A709 Grade HPS70W steel

ASTM A709 Grade HPS70W steel specification covers carbon and high-strength low alloy steel structural shapes, plates and bars, and quenched and tempered alloy steel for structural plates intended for use in bridges.

ASTM A709 Grade HPS70W material chemical composition:

Grade Mn C P S Si Cu Ni
≤2.5in >2.5in
HPS70W 1.10-1.35 1.10-1.50 0.11 max 0.020max 0.006max 0.30-0.50 0.25-0.40 0.25-0.40

ASTM A709 Grade HPS70W structural steel mechanical properties

Grade Steel plate thickness,mm Section steel thickness,mm Yield strength [mpa] Tensile strength [mpa] Elongation min %
Steel plate Section steel
8in[200mm] 2in[50mm] 8in[200mm] 2in[50mm]
HPS70W ≤100 all [485]min 585-760 ... 19 ... ...

HPS70W steel heat treatment:

For quenching and tempering treatment, the steel should be heated to not less than 1650oF [900oC], water quenching or oil quenching and tempering temperature is not lower than 1100oF [590oC].

ASTM A709 Grade HPS70W structural steel in hot selling,we have many ASTM A709 Grade HPS70W steel in stock,if you need ASTM A709 Grade HPS70W structural steel,please feel free to contact katalor!

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