ASTM A53 is for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless.

ASTM A53 covers the following types and grades:

Type F—Furnace-butt-welded, continuous welded Grade A,
Type E—Electric-resistance-welded, Grades A and B, and
Type S—Seamless, Grades A and B.

Type

Carbon

max. %

Manganese

max. %   

Phosphorous

max. %

Sulfur

max. %

Copper

max. %

Nickel

max. %

Gr. A
Gr. B
Gr. A
Gr. B
Gr. A
Gr. B
Gr. A
Gr. B
Gr. A
Gr. B
Gr. A
Gr. B
Type S 
(seamless)
0.25 0.30 0.95 1.2 0.05 0.05 0.045 0.045 0.40 0.40
0.40
0.40
Type E
(electric-resistance welded)
0.25 0.30 0.95 1.2

0.05

0.05 0.045 0.045 0.40
0.40
0.40
0.40
Type F
(furnace-welded pipe)
0.30 / 1.2 / 0.05 /

0.045

/ 0.40
/ 0.40
/


Tensile:

Tensile


Seamless and Electric-resistance-welded


Continuous-Welded

Grade A
Grade B
                        /

Tensile Strength

 min. psi

48,000
60,000
45,000

Yield Strength

 min. psi

30,000
35,000 25,000


Dimensional Tolerances:

Pipe Type
Pipe Sizes
Tolerances
Cold Drawn
OD48.3mm
±0.40mm
WT60.3mm
±1%mm