A515Gr70 is under the standard ASTM A515-A515M. The standard ASTM A515-A515M is used for carbon - silicon steel plate with medium and high temperature welding boilers and other pressure force capacity. 

ASTM A515Gr70 chemical composition %:

C(max):0.31(thickness≦25mm), C(max):0.33(thickness:25~50mm), C(max):0.35(thickness:50~200mm),Mn(max):1.30, P(max):0.035; S(max):0.035; Si:0.13-0.45

ASTM A515Gr70 mechanical properties:

Tensile strength(MPa):485-620; Yield strength(MPa)min:260; Elongation %(min):17

ASTM A515Gr70 steel plate specification:

Thickness: 6mm to 300mm,

Width: 1500mm to 4050mm,

Length: 3000mm to 15000mm

ASTM A515Gr70 manufacture:

Steelmaking practice: The steel shall be killed and made to a coarse austenitic grain size practice. 

ASTM A515Gr70 heat treatment:

1, Plates 2 in.(50mm) and under in thickness are normally supplied in the as-rolled condition. The plates may be ordered normalized or stress relieved or both. 

2, Plates over 2 in.(50mm) in thickness shall be normalized.

Henan bebon international Co., Ltd is a professional steel exporter and steel stockist in China. We can supply A515Gr70 with the most competitive price and good quality. If you have any question or inquiry for ASTM A515Gr70 steel plate, please be free to contact with us.

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