Pipe Grade Selection

ASTM-A-53 Grade A
Tensile Strength psi------------------45,000 Min.
Yield Strength psi--------------------30,000 Min.
Nominal Chemistry % Maximum
C            NM             P             S
.25          .95              .05          .06

ASTM-A-53 Grade B
Tensile Strength psi------------------60,000 Min.
Yield Strength psi--------------------35,000 Min.
Nominal Chemistry % Maximum
C            NM             P             S
.30          1.20            .05          .06