ASTM A135 ERW welded steel pipe grade A/B

ASTM A135/A135M, Standard Specification for Electric-Resistance-Welded Steel Pipe. It covers two grades of electric resistance welded steel pipe: Grade A and Grade B, Grade A is adapted for flanging and bending and is suitable for welding.

Grades: A /B

W.T:  2.11-3.4mm

O.D:  21.43-166.6mm

Similar standards: ASTM A53

Application:The pipe is intended for conveying gas,vapor,water or other liquid, especially suit for  fire sprinkler pipe.

ASTM A135 pipe tolerance:

Thickness: the minimum wall thickness at any point shall be more than 12.5%under specified wall thickness.

Diameter: the outside diameter shall not vary more than +-1%from norminal size specified.

Weight: the weight of the pipe shall not more than +-10%of the specified weight.

ASTM A135 pipe Heat treatment:

Weld seam of ERW A 135 pipe grade B shall be heat treated after welding to a minimum tempreture of 540℃, so that no untempered Martensite remains.

As a leading welded steel pipe supplier and stockholder, Decho can satisfy your pipe needs with general size. Our A135 carbon steel pipe contains both grade A and B. Don’t hesitate to contact us 

Decho is one of the leading China Structural Tube manufacturers and suppliers, if you want to buy or import best high-quality astm a135 erw welded steel pipe grade a/b professional company, factory, seller, and exporter, or if you are checking steel brands, please feel free to contact us.