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ASTM A588 structural steel
Date:2017.08.29
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A588 steel is well known for its weathering ability. When exposed to external conditions, its corrosion-resistant properties become stronger, even when unpainted. A588 steel has four times as much corrosion resistance as carbon steel. And A588 has a wide range of applications that include transmission and phone towers, freight cars, bridge and highway structures and guardrails because of the self-repairing, natural oxide patina greatly reduces maintenance. This steel also maintains an excellent strength-to-weight ratio, meeting the strength requirements of carbon steel while weighing much less.

The Mechanical Properties of A588
Steel grade Minimum yield strength Tensile strength Minimum elongation - A
MPa MPa

 

A588 290-345 435-485 18-21

 

The Chemical Composition of A588
Steel grade C Si Mn P S Cu Cr Ni
max.

 

%

%

max.

 

max.

%

%

 

%

%

%

%

 

A588 0.19 0.15-0.4 0.8 - 1.35 0.04 0.05 0.2 - 0.50 0.3 - 0.5 0.25-0.5
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