ASTM A213 Alloy Steel Seamless Pipe
A213 alloy steel pipe is seamless. The seamless structure provides better mechanical strength and enables the pipe to withstand high pressure conditions.
ASTM A213 is the standard specification for seamless ferritic and austenitic alloy steel boiler, superheater and heat exchanger tubes. Alloy steel pipes manufactured in accordance with ASTM A213 standards can be widely used in boilers, heat exchangers, superheaters and other equipment in power plants, petrochemical plants, and refineries.
Seamless ferritic alloy steel pipe is manufactured to ASTM A213 standards. This means that the steel pipe's manufacturing process follows uniform standards, ensuring consistent product quality and performance.
The chemical composition of ASTM A213 alloy steel pipe contains carbon, manganese, phosphorus, sulfur, silicon, chromium, molybdenum and other elements. The proportions of these elements determine the performance and quality of steel pipes. For example, chromium and molybdenum content can improve the corrosion resistance and high-temperature strength of steel pipes.
ASTM A213 T91 steel pipe has excellent high temperature strength, corrosion resistance and toughness. They can withstand high pressure and high temperature environments and have good creep resistance. Additionally, these tubes have good weldability and formability, making them easy to manufacture.
SA213 T22 alloy steel pipe chemistry is used in a wide range of industries due to its durability and corrosion resistance. Some common uses include food processing equipment, automotive parts, refineries, heat exchangers, pressure vessels, boilers, steam pipes and condensers.
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 |
||||||
|
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 |
||||||
|
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 |
ASTM A213 Alloy Steel Tube
ASTM A213 alloy tube wall thickness tolerance:
|
Method |
Outside Diameter, mm |
Tolerance, % |
|
Hot Rolled |
OD=101.6,WT=2.4 |
+40 / -0 |
|
OD=101.6,2.4<WT=3.8 |
+35 / -0 |
|
|
OD=101.6,3.8<WT=4.6 |
+33 / -0 |
|
|
OD=101.6,WT>4.6 |
+28 / -0 |
|
|
OD>101.6,2.4<WT=3.8 |
+35 / -0 |
|
|
OD>101.6,3.8<WT=4.6 |
+33 / -0 |
|
|
OD>101.6,WT>4.6 |
+28 / -0 |
In summary, ASTM A213 alloy steel pipe is suitable for various high temperature and high pressure applications. Its excellent performance, diverse specifications and good welding performance make it an important component in power generation, petrochemical, oil refining and other industries.
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