ASTM A213 TP304 Stainless Steel Seamless Tube

ASTM A213 TP304 Stainless Steel Seamless Tube is manufactured by seamless process used in high pressure environment, stainless steel TP304 grade is the most used material due to its high strength and excellent corrosion resistance.

There are main manufacturing processes for ASTM A213 TP 304 seamless tube including cold rolled, cold drawn, Heat treatment and pickling seamless tube manufacturing should comply to ASTM A213 specification, and analysis products as per testing and inspection certificate.

ASTM A213 TP304 Stainless Steel Seamless Tube

ASTM A213 TP304 Seamless Tube Specifications

StandardASTM A213
GradeTP304
Tube TypeSeamless Tube
FinishesAnnealing Pickling
Bright Annealing
Outside Diameter1/8″ – 5″
Thickness0.015″ – 0.500″
LengthFixed And Random Length
ApplicationBoiler, Heat Exchanger, Super Heater

A213 304 Stainless Steel

304 stainless steel is the most used grade, it is a typical 18/8 stainless steel in makeup of chromium and nickel, other alloy elements are added to improve its properties, overall this make 304 stainless steel is the popular material, 304L and 316H are expanded grades based on 304 stainless steel.

A213 304 Chemical Composition

GradeCSiMnCrNiMoSP
TP3040,081,0218 – 208 – 110,030,045

A213 304 Mechanical Properties

GradeTensile Strength(Mpa)Yield Point(Mpa)Elongation(%)Hardness(HRB)Solution Temperature
TP30451520535901040

ASTM A213 / ASME SA213

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

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,+3mm,
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

Manufacturing and Testing Facility

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.