Standard for seamless steel pipe

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Update time : 2022-09-23 14:36:47

Manufacturing Process Of Seamless Steel Pipe:

Billets and coils are delivered to the pipe mill ready to be made into carbon steel pipe. Depending on the capabilities of the pipe mill and the end use of the final product, the casts will be formed into pipe by means of four distinct different manufacturing.Seamless carbon steel pipe has, as its name implies, no longitudinal weld seam. It is, in essence, one solid homogeneous piece of steel. A solid billet is simply heated and then stretched over a series of mandrels until the pipe has achieved its desired diameter and wall thickness.

ASTM Standard for seamless steel pipe

Executive Standard	Grade / Material	Product Name
ASTM A53	A, B	Black and Hot-Dipped Zinc-Coated Steel Pipes Welded and Seamless
ASTM A106	A, B	Seamless Carbon Steel for High Temperature Service
ASTM A179	Low Carbon Steel	Seamless Cold-Drawn Low-Carbon Steel Heat Exchanger and Condenser Tubes
ASTM A192	Low Carbon Steel	Seamless Carbon Steel Boiler Tubes for High Pressure
ASTM A210	A1, C	Seamless Medium-Carbon and Alloy Steel Boiler and Superheater Tubes
ASTM A213	T5, T11, T12, T22	Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-Exchanger Tubes
ASTM A213	TP 347H
ASTM A312	TP304/304L, TP316/316L	Seamless Steel Pipe for Stainless Materials
ASTM A333	Gr.6	Seamless and Welded Steel Pipe for Low-Temperature Service
ASTM A335	P9, P11, P22	Seamless Ferritic Alloy Steel Pipe for High-Temperature Service
ASTM A519	41,304,140	Seamless Carbon and Alloy Steel for Mechanical Tubing
ASTM A789		Seamless Ferritic/Austenitic Stainless Steel Tubing for General Service

API Standard for seamless steel pipe

Executive Standard	Grade / Material	Product Name
API Spec 5CT	J55, K55, N80, L80,C90, C95, T95, P110, M65	Spectification for Casing and Tubing
API Spec 5L PSL1 / PSL2	A,B X42, X46, X52, X56, X60, X65,. X70	Specification for Line Pipe

DIN / EN Standard for seamless steel pipe

Executive Standard	Grade / Material	Product Name
DN 17175/EN10216-2	ST35, ST45, ST52, 13CrMo44	Seamless Steel Tube for Elevated Temperature
DIN 2391/EN10305-1	St35, St45, St52	Cold Drawn Seamless Precision Pipe
DIN 1629/EN10216-1	St37, St45, St52	Seamless Circular unalloyed Steel Tubes Subject to Special Requirments

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Working Pressure of Seamless Steel Pipe

Sep .17.2026

　　Seamless steel pipe actual bearing pressure may be affected by many factors such as the quality of the pipe, processing technology, and use environment Please feel free to contact us if you have any questions Email : pipe@stpipefitting.cn
(SMLS pipe) is a type of pipe produced without welds by deforming the metal as a whole using piercing and rolling techniques. Compared to welded steel pipe, its core advantage stems from the continuity of the material and the uniformity of its structure, providing superior reliability and safety under high pressure, high temperature, and complex stress environments. This makes seamless steel pipe a fundamental and reliable material in the petroleum, chemical, natural gas, and power industries for critical processes and the transportation of hazardous media.

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