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Comparison of ASTM A36 and SS400 steel
Source:Xin Steel Industry   Date:2015/10/26

 

Steel grades ASTM A36 and SS400 under JIS G3101 both are common used carbon structure steels,mild steels.When rolling steel plates ASTM Grade A36,As rolled or Controlled rolled is ok for thickness belows 40mm (1.5inch) normally.If above 40mm (1.5inch),customers can choose Normalized for improve steel property.Stee plates SS400 is also the same.

 

Mechnical property charts for SS400 and A36 as belows,so these two mild steel grades are very similar,can replacement when urgent demands for end users.

 

Mechnical property for SS400 mild steel:

 

Thickness (mm)

SS400

≤ 16

> 16 ≤ 40

> 40 ≤ 100

> 100

Yield strength (≥Mpa)

245

235

215

205

Tensile strength (Mpa)

400-510

 

Mechnical property for A36 mild steel:

 

Thickness (mm)

Yield strength (≥Mpa)

Tensile strength (Mpa)

Elongation in ≥,%

T≤200

250

400-550

200mm

50mm

200<T

220

400-550

20

23