ASTM A515 Grade 70 steel plate heat treatment, if a515 grade 70 steel thick in 50mm or under this thickness, A515 Grade 70 normalized supplied in the as-rolled condition.A515 Grade 70 contains a higher carbon contains comparing with A515 Grade 60 and A515 Grade 65.A515 Grade 70 steel tensile strength is 485Mpa to 620Mpa and the yield strength is min 260Mpa.
ASTM A515 Grade 70 steel plate is a kind of steel plates material used to fabric middle or high temperature pressure vessels. ASTM A515 Grade 70 are carbon silicon steel plate for building boilers and pressure vessels in intermediate and higher temperature services.
ASTM A515 Grade 70 steel plate Chemical composition(%)
C:0.31-0.35 Si:0.15-0.4 P≤0.035 S≤0.035 Mn≤1.2
ASTM A515 Grade 70 steel plate Mechanical properties
Tensile strength Mpa:480-620 Yield strength Mpa:260 Elongation(%) min:17/21
ASTM A515 Grade 70 steel plate Specification
Thickness: 6mm-400mm
Width: 1500mm-4200mm
Length: 3000mm-18000mm
Heat Treatment: As Rolled/Normalised
Rolling Type: Boiler steel plate,Pressure vessel steel plate
Steel Standard: ASTM A515/A515M
Stock : Available
MTC: Available
Payment Term : T/T or L/C At sight .
Surface Treatment:Shot blasting and painting or coated
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