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ASTM A209 Alloy Steel Pipe
ASTM A209 Alloy Steel Pipe
ASTM A209 Alloy Steel Pipe
ASTM A209 Alloy Steel Pipe
ASTM A209 Alloy Steel Pipe
ASTM A209 Alloy Steel Pipe
ASTM A209 Alloy Steel Pipe
ASTM A209 Alloy Steel Pipe

ASTM A209 Alloy Steel Pipe

A209 alloy pipe is an American standard alloy steel pipe. It not only has high oxidation resistance and high temperature steam corrosion resistance, but also has good impact toughness, high and stable long-lasting plasticity and thermal strength properties.
standard:ASTM
Surface :1. Galvanized 2. Black and Color Painting
introduction
Data table
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introduction
ASTM A209 Seamless Carbon alloy Steel Pipe is made of carbon molybdenum alloy steel. The addition of molybdenum enhances the material's high-temperature strength and corrosion resistance. A209 pipes are produced using a seamless manufacturing process to ensure a continuous and uniform structure without welds. This seamless construction is important for applications involving high temperatures and pressures.
ASTM A209 alloy steel pipe is commonly used in the construction of boilers, superheaters and heat exchangers in power plants and other industrial settings. They are designed to withstand the high temperatures and pressures found in steam generation or heat transfer equipment.
ASTM A209 standard specifies various grades and categories of alloy steel pipe. Different grades indicate changes in chemical composition and mechanical properties, while grades indicate heat treatment conditions.
Typical grades and categories of ASTM A209 Structural seamless pipe: T1a, T1b, T2, T11, T12, T22 Grade: Grade 1 and 2 represent different heat treatment conditions. Stage 1 tubes are annealed or normalized, while Stage 2 tubes are fully or isothermally annealed after the final cold working process.
Data table

Chemical Composition:

 

C

Mn

P

S

Si

Mo

T1

0.10-0.20

0.30-0.80

0.025

0.025

0.10-0.50

0.44-0.65

T1a

0.15-0.25

0.30-0.80

0.025

0.025

0.10-0.50

0.44-0.65

T1b

0.14

0.30-0.80

0.025

=.025

0.10-0.50

0.44-0.65

Mechanical Properties:

Grade

T1

T1a

T1b

Tensile Strength min Ksi(Mpa)

55(380)

60(415)

43(365)

Yield Strength Min Ksi(Mpa)

30(205

32(220)

28(195)

Elongation in 2in or 50mm min%

30

30

30


When manufacturing ASTM A209 steel alloy pipe, seamless technology should be used to ensure that the pipe structure is continuous and uniform without welds. Heat treatment is essential to improve the mechanical properties and corrosion resistance of pipes. For heat-finished pipe, the heat treatment should be performed at 1200°F (650°C) or higher to ensure the pipe's high-temperature strength and stability. For cold finished tubes, heat treatment shall be carried out after final cold finishing or the tubes shall be supplied in fully annealed, isothermal annealed or normalized and tempered conditions. If supplied in normalized and tempered conditions, the minimum tempering temperature shall be 1200°F (650°C). This rigorous heat treatment process ensures the excellent performance of ASTM A209 Seamless alloy boiler tube in high temperature and corrosive environments.
company advantage
gnee is a steel company integrating industry and trade. We have been engaged in steel trade for many years and have rich international experience. We can provide customers with a full range of high-quality steel products. The annual export volume exceeds 50,000 tons, and the factory covers an area of approximately 35,000 square meters.
 

FAQ

Q. How do you build a long term good relationship with us?
A. 1. We keep good quality and competitive price to ensure the benefit of our customers.

2. We respect every customer, treat them as friends, and do business and make friends with them sincerely. No matter where our customers come from, if you have any questions about us and our products, please feel free to leave us a message.

Q. What services do you provide?
A. Customized service for each customer, please feel free to contact us!

Q. How do your guarantee the quality?
A. Before mass production, there must be pre-production samples; before shipment, there must be final inspection.









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