The ASTM A135 steel pipe specification includes two grades of welded steel pipes of Grade 1 and Grade 2, with a nominal (average) wall thickness of 0.500 in (12.70 mm), inclusive, and a nominal size of 3/4 to 5 inches (19 to 127 mm). ), including the nominal (average) wall thickness of 0.083 inches (2.11 mm) to 0.314 inches (3.40 mm), depending on the size.
If ASTM A135 steel pipe meets all other requirements of this code, other sizes of pipe can be configured.
ASTM A135 steel pipe is used to transport liquid, gas or steam; only Grade A is suitable for flanging and bending. The applicability of ASTM A135 steel pipe for various purposes depends to some extent on its size, performance and conditions of use. Therefore, the purpose of the pipe should be stated in the order. ASTM A135 steel pipe can provide non-expansion or cold expansion, and the expansion amount should not exceed 1.5% of the outer diameter of the pipe.