ASTM A53 is a carbon steel alloy, used as structural steel or for low-pressure plumbing. The alloy specifications are set by ASTM International, in specification ASTM A53/A53M.
A53 pipe comes in three types and two grades, A53 Type F, which is longitudinally furnace butt welded or continuous welded (Grade A only), A53 Type E, which is longitudinally electric resistance welded (Grades A and B), and A53 Type S, which is seamless pipe, produced by hot working, and possibly cold finishing, the steel (Grades A and B). ASTM A53 pipe is sized according to the nominal pipe size (NPS) system. It is commonly available with national pipe thread ends or with plain cut ends. It can be used for steam, water, and air conveyance. It is also weldable and can be used in structural applications, although ASTM A500 tube, which is available in the same NPS sizes, is sometime preferred.
ASTM A53 Gr.B
Black and hot-dipped zinc-coated steel pipes welded and seamless
ASTM A106 Gr.B
Seamless carbon steel for high temperature service
Seamless cold-drawn low-carbon steel heat exchanger and condenser tubes
Seamless carbon steel boiler tubes for high pressure
Seamless Medium-carbon boiler and superheater tubes
Seamless alloy-steel boiler, superheater, and heat-exchanger tubes
ASTM A333 GR.6
seamless and welded carbon and alloy steel pipe intended for use at low temperatures.
ASTM A335 P9,P11,T22,T91
Seamless ferritic alloy-steel pipe for high-temperature service
Alloy steel forgings for pressure and high-temperature parts
ASTM SA519 4140/4130
Seamless carbon for mechanical tubing
API Spec 5CT J55/K55/N80/L80/P110/K55
Seamless steel pipe for casing
API Spec 5L PSL1/PSL2 Gr.b, X42/46/52/56/65/70
Seamless steel pipe for line pipe
Seamless steel tube for elevated temperture
Cold drawn seamless prevision pipe
Seamless circular unalloyed steel tubes subject to special requirements
Manufacturing Process Of APl Casing：
Steel ingot heating → hydraulic punching → reheating→ extension →periodic rolling→reheating →sizing→ cooling→ straightening→pipe cutting→inspection
1. An annular heating furnace is required for ingot heating
2. Punching and reheating with the hydraulic press,
3.The oil casing plant uses a two-roller guide plate extension machine for extension.
4.Re-use a disc heating furnace for periodic rolling, and use a non-entry furnace for reheating, cooling, straightening, pipe cutting, and inspection.