ASTM A213 TP304 Stainless Steel Seamless Tube

DONGSHANG Stainless is a supplier specializing in ASTM A213 TP304 Stainless Steel Seamless Tube since 2006, stainless steel TP304 grade, heat treatment and pickling are important stage in producing process, seamless tube manufacturing should comply to ASTM A213 specification, and analysis products as per testing and inspection certificate.

ASTM A213 TP304 Seamless Tube Specifications

Standard ASTM A213
Grade TP304
Tube type Seamless tube
Finishes Annealing pickling
Bright Annealing
Outside diameter 1/8″ – 5″
Thickness 0.015″ – 0.500″
Length Fixed and random length
Application Boiler, heat Exchanger, super heater

ASTM A213 TP304 Stainless Steel

Chemical Composition

Grade C Si Mn Cr Ni Mo S P
TP304 0,08 1,0 2 18 – 20 8 – 11 0,03 0,045

Mechanical Properties

Grade Tensile strength(Mpa) Yield point(Mpa) Elongation(%) Hardness(HRB) Solution temperature
TP304 515 205 35 90 1040

TP304 is most used stainless steel grade, TP316/316L, 317/317L, 904L, S31803/2205 are available.

ASTM A213 / ASME SA213 is a America specification for stainless steel boiler, super heater, heat exchanger tubes, executed by most world stainless steel seamless tubes mills and factories, minimum wall thickness required in A213 seamless tube, or average wall thickness as customers requirement, tight tolerance of outside and wall thickness stated as A213 standard or A1016, and complying with seamless tube producing quality system.

ASTM A213 Permissible Variations in outside diameter, Wall thickness and Length

 OD, mm W.T. mm L, mm
≤25.4 ±0.10 +20%, 0%,
OD>50, T>5.6
AVG wall +/-10%
OD>=50.8, +5mm
25.4~38.1 ±0.15
38.1~50.8 ±0.2
50.8~63.5 ±0.25
63.5~76.2 ±0.3
76.2~101.6 ±0.38


Quality control

Dongshang Stainless produce stainless steel seamless tube complying with quality system, record each stage, ensure every process is correct that following A213 specification, all the tests should be done according to standard and requirement, mill test certificate (MTC) will be offered as EN10204 – 3.1 type.

ASTM A213 TP304 Stainless Steel Seamless Tube Features and Applications

ASTM A213 seamless tubes has high strength and excellent corrosion resistance via heat treatment, after passivation, tube surface has a layer of oxidation film to protect base metal, used in Heat Exchanger tube, boiler tube, super heater tube, stainless steel U bending tube is often required for Heat exchanger system.

ASTM A213 TP304 Stainless Steel Seamless Tube