ASTM A213 Stainless steel seamless pipe

ASTM A213 Stainless Steel seamless pipe is a tubular product manufactured according to ASTM A213 standard, mainly used in boilers, superheaters and heat exchangers to transport high temperature fluids. Although ASTM A213 was originally designed for high temperature service, some of the materials included in it, such as certain stainless steels or low alloy steels, also have the corrosion resistance advantages of stainless steel and are suitable for applications requiring higher corrosion resistance and high temperature properties.

ASTM A213/ASME SA213 covers low-alloy steel tubes and minimum wall thickness, seamless ferritic and austenitic steels, boiler and superheater tubes, and austenitic steel heat exchanger tubes. Specify grades TP304, TP304H, TP304L, TP310S, TP310HCbN, TP316, TP316H, TP316L, etc. Pipe materials can include stainless steel, austenitic or ferritic alloy steels, designed to ensure long-term stable operation in high temperature, high pressure and corrosive environments.

Manufacturing process

ASTM A213 stainless steel seamless pipe is manufactured through a seamless process with no welded joints, and the overall uniformity of the tubing ensures its uniformity and tightness.

After production, the finished product is usually inspected for quality, including analysis of its chemical composition, testing of mechanical properties and non-destructive testing (such as ultrasonic, X-ray testing) to ensure that the pipe meets the standard.

Chemical composition:

Steel Grades	ASTM A213 Chemical Composition % Max
	C	Mn	P	S	Si	Cr	Ni	Mo
TP304	0.08	2.00	0.045	0.030	0.75	18.0-20.0	8.0-11.0	…
TP304H	0.04-0.10	2.00	0.040	0.030	0.75	18.0-20.0	8.0-11.0	…
TP304L	0.035	2.00	0.040	0.030	0.75	18.0-20.0	8.0-13.0	…
TP310S	0.08	2.00	0.045	0.030	0.75	24.0-26.0	19.0-22.0	0.75
TP316	0.08	2.00	0.040	0.030	0.75	16.0-18.0	11.0-14.0	2.00-3.00
TP316L	0.035	2.00	0.040	0.030	1.00	16.0-18.0	10.0-15.0	2.00-3.00

Mechanical property

Steel Grades	Heat Treatment	Temperure F (C) Min.	ASTM grain size NO.	Tensile Strength Ksi (MPa), Min.	Yield Strength Ksi (MPa), Min.	Elongation %, Min
TP304	Solution	1900 (1040)	…	75(515)	30(205)	35
TP304L	Solution	1900 (1040)	…	70(485)	25(170)	35
TP304H	Solution	1900 (1040)	7	75(515)	30(205)	35
TP310S	Solution	1900 (1040)	…	75(515)	30(205)	35
TP316	Solution	1900 (1040)	…	75(515)	30(205)	35
TP316L	Solution	1900 (1040)	…	70(485)	25(170)	35

Performance characteristics

High temperature and pressure resistance
After heat treatment, the pipe has high tensile and yield strength, and can maintain stable physical properties under high temperature and high pressure environment. It is a commonly used material in boilers and heat exchangers.

Excellent corrosion resistance
Some stainless steel or alloy materials can form a protective film in high temperature media, significantly improving corrosion resistance and reducing the risk of pipe failure caused by medium erosion.

Uniform overall structure
The seamless process is adopted, and the weld-free structure makes the pipe evenly stressed, which is not easy to produce stress concentration and defects, and ensures the safety and reliability of long-term operation.

Application field

Boiler tube and superheater tube
Used in power plants and industrial boilers to transport high temperature steam or hot water, is an important pipeline material in high temperature environment.

Heat exchanger
In the chemical and energy sectors, ASTM A213 tubes are widely used in heat exchange systems to ensure efficient heat transfer and safe operation.

High temperature and high pressure conveying system
It is suitable for oil and gas transportation, chemical process and other fluid transportation systems requiring high temperature and high pressure conditions.

Summary

ASTM A213 stainless steel seamless pipe with its weldless construction, excellent mechanical properties and corrosion resistance, make it an indispensable key material in boilers, heat exchangers and high temperature conveying systems. For industrial equipment that requires reliable operation under harsh conditions, ASTM A213 tubing provides a safe and efficient solution.