General-purpose seamless steel pipe ASTM A53 GR.B, steel: SA53 B: It apply to the pressure piping system below the temperature 350 C, plumbing pipe and general-purpose pipe.
Specification:13.7-610 mm.
Chemical components:
C<=0.30,Mn<=1.2,P<=0.05,S<=0.06,Cu<=0.40,Ni<=0.40,Mo <=0.15,Cr<=0.40,V<=0.08
Mechanical property:
Tensiles Strength>=415Mpa,Yield Strength>=240Mpa,Elongation>=29.5% .
