Introduction
The ASTM A213 Alloy Steel Tube is a standard specification for seamless ferritic and austenitic alloy steel boiler, superheater, and heat-exchanger tubes.
Applications
Boilers and Superheaters
Used extensively in boiler tubes and superheater tubes where they withstand high temperature and pressure conditions for efficient steam generation.
Heat Exchangers
Ideal for heat exchanger tubes that require excellent thermal conductivity and resistance to corrosion and thermal fatigue.
Petrochemical Industry
Used in refinery and petrochemical plants for piping systems transporting high-temperature fluids and gases, due to their durability and corrosion resistance.
Power Generation
Critical components in power plants, especially in fossil fuel and nuclear plants, where tubes must endure extreme heat and pressure.
Chemical Processing
Used in chemical processing equipment and piping systems that handle aggressive chemicals at high temperatures.
Oil & Gas Industry
Used in upstream and downstream applications, including pipelines and heat recovery systems, requiring strength and corrosion resistance.
ASTM A213 alloy steel tube Dimensions
Grade: T2, T5, T9, T11, T12, T91, T92
Outside Diameter: 4 -127mm
Wall Thickness: 0.4-12.7mm
Length: 32m Max.
ASTM A213 alloy steel tube chemical composition
|
Grade |
C |
Mn |
P |
S |
Si |
Cr |
Mo |
V |
N |
Ni |
Al |
Nb |
W |
|
T2 |
0.10-0.20 |
0.30-0.61 |
0.025 max |
0.025 max |
0.10-0.30 |
0.50-0.81 |
0.44-0.65 |
||||||
|
T5 |
0.15 max |
0.30-0.60 |
0.025 max |
0.025 max |
0.50 max |
4.00-6.00 |
0.45-0.65 |
||||||
|
T9 |
0.15 max |
0.30-0.60 |
0.025 max |
0.025 max |
0.25-1.00 |
8.0-10.0 |
0.90-1.10 |
||||||
|
T11 |
0.15 max |
0.30-0.60 |
0.025 max |
0.025 max |
0.50-1.00 |
1.00-1.50 |
0.44-0.65 |
||||||
|
T12 |
0.15 max |
0.30-0.60 |
0.025 max |
0.025 max |
0.50-1.00 |
1.00-1.50 |
0.44-0.65 |
||||||
|
T22 |
0.05-0.15 |
0.30-0.60 |
0.025 max |
0.025 max |
0.50 max |
1.90-2.60 |
0.87-1.13 |
||||||
|
T91 |
0.08-0.12 |
0.30-0.60 |
0.020 max |
0.010 max |
0.20-0.50 |
8.00-9.50 |
0.85-1.05 |
0.18-0.25 |
0.03-0.07 |
0.40 max |
0.04 max |
0.06-0.10 |
|
|
T92 |
0.07-0.13 |
0.30-0.60 |
0.020 max |
0.010 max |
0.50 max |
8.50-9.50 |
0.30-0.60 |
.015-0.25 |
0.03-0.07 |
0.40 max |
0.04 max |
0.04-0.09 |
1.50-2.00 |
ASTM A213 alloy steel tube mechanical property table
|
Grade |
Tensile Strength, Mpa |
Yield Strength, Mpa |
Elongation, % |
Hardness, HB |
|
T2 |
415 min |
205 min |
30 min |
163 max |
|
T5 |
415 min |
205 min |
30 min |
163 max |
|
T9 |
415 min |
205 min |
30 min |
179 max |
|
T11 |
415 min |
205 min |
30 min |
179 max |
|
T12 |
415 min |
205 min |
30 min |
179 max |
|
T22 |
415 min |
205 min |
30 min |
163 max |
|
T91 |
585 min |
415 min |
20 min |
250 max |
|
T92 |
585 min |
415 min |
20 min |
250 max |
ASTM A213 alloy steel tube outside diameter tolerance
|
Method |
Outside Diameter,mm |
Tolerance, mm |
|
Hot Rolled |
OD=101.6 |
+0.4 / -0.8 |
|
101.6 |
+0.4 / -1.2 |
|
|
190.5 |
+0.4 / -1.6 |
|
|
Cold Drawn |
OD<25.4 |
±0.10 |
|
25.4=OD=38.1 |
±0.15 |
|
|
38.1 |
±0.20 |
|
|
50.8=OD<63.5 |
±0.25 |
|
|
63.5=OD<76.2 |
±0.30 |
|
|
76.2=OD=101.6 |
±0.38 |
|
|
101.6 |
?0.38 / -0.64 |
|
|
190.5 |
?0.38 / -1.14 |
ASTM A213 alloy steel tube wall thickness toleranc
|
Method |
Outside Diameter, mm |
Tolerance, % |
|
Hot Rolled |
OD=101.6,WT=2.4 |
+40 / -0 |
|
OD=101.6,2.4 |
+35 / -0 |
|
|
OD=101.6,3.8 |
+33 / -0 |
|
|
OD=101.6,WT>4.6 |
+28 / -0 |
|
|
OD>101.6,2.4 |
+35 / -0 |
|
|
OD>101.6,3.8 |
+33 / -0 |
|
|
OD>101.6,WT>4.6 |
+28 / -0 |
|
|
Cold Drawn |
OD=38.1 |
+20 / -0 |
|
OD>38.1 |
+22 / -0 |
FAQ
Q: What is ASTM A213 Alloy Steel Tube?
A: ASTM A213 is a standard specification for seamless ferritic and austenitic alloy steel tubes used primarily in boilers, superheaters, and heat exchangers for high-temperature service.
Q: What materials and grades are covered under ASTM A213?
A: The standard includes various alloy steel grades such as T1, T11, T22, T91, TP321H, and TP347H, each designed to meet specific temperature, pressure, and corrosion resistance requirements.
Q: Where are ASTM A213 alloy steel tubes commonly used?
A: They are widely used in power plants, petrochemical industries, refineries, chemical plants, and other industrial applications requiring heat transfer at elevated temperatures.
Q: What are the key quality requirements of ASTM A213 tubes?
A: ASTM A213 specifies requirements for chemical composition, mechanical properties (tensile strength, yield strength), heat treatment, dimensional tolerances, and non-destructive testing to ensure reliability and safety.
Q: Can ASTM A213 tubes be customized in size and length?
A: Yes, manufacturers typically offer a range of diameters, wall thicknesses, and lengths. Custom orders with specific dimensions and end finishes are available to suit different project needs.
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