ASTM A53A
Standard specification of welded and seamless pipe 

Outside Diameter: 1/8 – 26 (Nominal)
OD Tolerance: For pipe up to 1-1/2  +/- 1/64”.   For pipe greater than 1-1/2   +/- 1%
Wall Thickness: Scheduled
Wall Tolerance: -12.5%

Minimum Yield: 30,000 PSI
Minimum Tensile: 48,000 PSI

Chemical Requirements: C  Mn P S Cu Ni Cr Mo V
Seamless .25 .95 .05 .045 .40 .40 .40 .15 .08
Welded .25 .95 .05 .045 .50 .40 .40 .15 .08

 

 

ASTM A53B
Standard specification of welded and seamless pipe 

Outside Diameter: 1/8 – 26 (Nominal)
OD Tolerance: For pipe up to 1-1/2  +/- 1/64”.   For pipe greater than 1-1/2   +/- 1%
Wall Thickness: Scheduled
Wall Tolerance: -12.5%Minimum Yield: 35,000 PSI
Minimum Tensile: 60,000 PSI

Chemical Requirements: C  Mn P S Cu Ni Cr Mo V
Seamless .30 1.20 .05 .045 .40 .40 .40 .15 .08
Welded .30 1.20 .05 .045 .50 .40 .40 .15 .08

Hydrostatic Test