ASTM
A53Pipe Steel black and hot dipped, Zinc Coated, Welded and Seamless
A106Seamless carbon steel pipe for high temperature service
A333Seamless and welded steel pipe for low temperature service
A312Seamless and welded austenitic stainless steel pipe

STANDARD SPECIFICATION TABLE

ASTMMATERIALMANUFACTURINGUSABILITYSIZEGRADE
A53Carbon steel black or hot dipped galv.Seamless
Welded - ERW
Welded - EFW
GeneralNPS 1/8" to 26"GR.A,B
A106Carbon steelSeamlessHigh temperatureAll sizeGR.A,B,C
A333Carbon steel
Alloy steel
Seamless
Welded-EFW
(w/o filler metal)
Low temperatureAll size
A312Austenitic stainless steelSeamless
Welded-EFW
(w/o filler metal)
High temperature and corrosive serviceNPS 1/8" to 12"TP304, TP304L, TP316, TP316L, TP321

ASTM A53 have 3 type

Type S : Seamless
Type E : ERW
Type F : FBW