ASTM A213 Seamless Tubing Standard Specification

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ASTM A213 Tubing

Standard Overview:

ASTM A213 specifies the requirements for seamless ferritic and austenitic alloy steel pipes for boilers, superheaters and heat exchangers. Its mechanical properties, chemical composition and dimensions must withstand the high temperatures and pressures found in industrial applications.

Main Materials:

Ferritic and austenitic alloy steels.

Grades:

Common grades of ferritic alloy steels: T5, T9, T11, T22

Common grades of austenitic stainless steels: TP304, TP316, TP321

Applications:

ASTM A213 is suitable for high-temperature, high-pressure industrial piping. These include power generation and petrochemical processing and refining.

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ASTM A213 Specification

Standard ASTM: A213/ A213M
Procedure: SMLS
Dimensions: 3.2-127mm, 1/8″ – 5″
Thickness: 0.4-12.7mm
Unit Length: 3 – 18 mtrs
Steel Grade: T2, T11, T23, T112, TP304L, TP316H, T5, T12, T24, T911, TP304H, TP316Ti, T5b, T17, T36, TP201, TP316N, T5c, T21, T91 TP202, TP316, T9, T22, T92, TP304, TP316L
Surface Coating: Black lacquer coating,Varnishing, Oiling, Hot Dip Galvanizing, FBE, 2PP, 3PP, 2PE, 3PE
End Type: Plain, Bevelled, Threaded, Grooved，Shouldered
Joint Method: Fitting, Flange, Coupling, Clamp, Pipe Shoulder, Welding
Pipe Machining: Welding, Bending, Hole Drilling, Punching, Swaging, Tapering, Flaring, Expanding

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Dimension

Outside Diameter：	1⁄8 to 5 in. [3.2 to 127 mm]
Wall Thickness：	0.015 to 0.500 in. [0.4 to 12.7 mm]
Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification.

Chemical Requirement

Composition，%
Carbon	Manganese	Phosphorus	Sulfur	Silicon	Nickel	Chromium	Molybdenum	Vanadium	Boron	Niobium	Nitrogen	Aluminum	Tungsten	Other Elements
0.10-0.20	0.30-0.61	0.025	0.025	0.10-0.30	–	0.50-0.81	0.44-0.65	–	–	–	–	–	–	–
0.15	0.30-0.60	0.025	0.025	0.5	–	4.00-6.00	0.45-0.65	–	–	–	–	–	–	–
0.15	0.30-0.60	0.025	0.025	1.00-2.00	–	4.00-6.00	0.45-0.65	–	–	–	–	–	–	–
0.12	0.30-0.60	0.025	0.025	0.5	–	4.00-6.00	0.45-0.65	–	–	–	–	–	–	Ti 4xC-0.70
0.15	0.30-0.60	0.025	0.025	0.25-1.00	–	8.00-10.00	0.90-1.10	–	–	–	–	–	–	–
0.05-0.15	0.30-0.60	0.025	0.025	0.50-1.00	–	1.00-1.50	0.44-0.65	–	–	–	–	–	–	–
0.05-0.15	0.30-0.61	0.025	0.025	0.5	–	0.80-1.25	0.44-0.65	–	–	–	–	–	–	–
0.15-0.25	0.30-0.61	0.025	0.025	0.15-0.35	–	0.80-1.25	–	0.15	–	–	–	–	–	–
0.05-0.15	0.30-0.60	0.025	0.025	0.50-1.00	–	2.65-3.35	0.80-1.06	–	–	–	–	–	–	–
0.05-0.15	0.30-0.60	0.025	0.025	0.5	–	1.90-2.60	0.87-1.13	–	–	–	–	–	–	–
0.04-0.10	0.10-0.60	0.03	0.01	0.5	–	1.90-2.60	0.05-0.30	0.20-0.30	0.0005-0.006	0.02-0.08	0.03	0.03	1.45-1.75	–
0.05-0.10	0.30-0.70	0.02	0.01	0.15-0.45	–	2.20-2.60	0.90-1.10	0.20-0.30	0.0015-0.007	–	0.012	0.02	–	Ti 0.06-0.10
0.10-0.17	0.80-1.20	0.03	0.025	0.25-0.50	1.00-1.30	0.3	0.25-0.50	0.02	–	0.015-0.045	0.02	0.05	–	Cu 0.50-0.80
0.07-0.14	0.30-0.60	0.02	0.01	0.20-0.50	0.4	8.0-9.5	0.85-1.05	0.18-0.25	–	0.06-0.1	0.030-0.070	0.02	–	Ti 0.01
0.07-0.14	0.30-0.60	0.02	0.01	0.20-0.50	0.4	8.0-9.5	0.85-1.05	0.18-0.25	–	0.06-0.1	0.030-0.070	0.02	–	Zr 0.01
0.07-0.13	0.30-0.60	0.02	0.01	0.5	0.4	8.5-9.5	0.30-0.60	0.15-0.25	0.001-0.006	0.04-0.09	0.030-0.070	0.02	1.5-2.00	Ti 0.01
0.07-0.13	0.30-0.60	0.02	0.01	0.5	0.4	8.5-9.5	0.30-0.60	0.15-0.25	0.001-0.006	0.04-0.09	0.030-0.070	0.02	1.5-2.00	Zr 0.01
0.07-0.14	0.7	0.02	0.01	0.5	0.5	10.0-11.5	0.25-0.60	0.15-0.30	0.0005-0.005	0.04-0.10	0.040-0.100	0.02	1.5-2.5	Cu 0.30-1.70
														Ti 0.01
														Zr 0.01
0.09-0.13	0.30-0.60	0.02	0.01	0.10-0.50	0.4	8.5-9.5	0.90-1.10	0.18-0.25	0.0003-0.006	0.06-0.10	0.040-0.090	0.02	0.9-1.1	Ti 0.01
0.09-0.13	0.30-0.60	0.02	0.01	0.10-0.50	0.4	8.5-9.5	0.90-1.10	0.18-0.25	0.0003-0.006	0.06-0.10	0.040-0.090	0.02	0.9-1.1	Zr 0.01

Mechanical Requirement

Tensile Requirements-Low Alloy Steels
Grade	UNS Designation	Tensile Strength	Yield Strength	Elongation in 2 in. or 50 mm, min, %AB
Grade	UNS Designation	min, ksi [MPa]	min. ksi [MPa]	Elongation in 2 in. or 50 mm, min, %AB
T5b	K51545	60[415]	30[205]	30
T9	K90941	60[415]	30[205]	30
T12	K11562	60[415]	32[220]	30
T23	K40712	74[510]	58[400]	20
T24	K30736	85[585]	60[415]	20
T36 Class 1	K21001	90[620]	64[440]	15
T36 Class 2	K21001	95.5[660]	66.5[460]	15
T91	K90901	85[585]	60[415]	20
T92	K92460	90[620]	64[440]	20
T122	K91271	90[620]	58[400]	20
T911	K91061	90[620]	64[440]	20
All other low alloy grades	–	60[415]	30[205]	30

Why Choose UNIASEN?

Our product line includes the cold-finished TP347HFG grade, known for its superior performance.
Our ASTM A213/A213M pipes are designed with your needs in mind. They come with detailed specifications, including dimensions, production procedures, steel grades, surface coatings, end types, connection methods, and machining services.
We use a seamless process to create a strong and uniform structure, and offer both hot and cold working. The pipes are made from high-quality steel grades and can be coated for added protection.
We also offer a variety of end types and connection methods for easier installation, as well as custom machining services.