ASTM A250 Alloy Boiler Pipe
ASTM A250 boiler tube with soaring tensile strength. ASTM A250 Boiler Tube, also known as ASTM A250 Alloy Boiler Tube, includes ASTM A250 T1, T1a, T1b, T2, T11, T12, T22 (Standard Specification for Resistance Welded Ferritic Alloy Steel Boiler and Superheated Tubes).
Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of astm a250 alloy boiler pipe in China, also supports customized service with low price. Welcome to wholesale discount astm a250 alloy boiler pipe for sale here from our factory. Contact us for free sample.
ASTM A250 Alloy Boiler Pipes Supplier-GNEE
ASTM A250 ERW welded pipe is mainly used in water supply projects, petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction, etc. Used for liquid transportation: water supply and drainage. Used for gas transportation: coal gas, steam, liquefied petroleum gas. Structural uses: Used as piling pipes and bridges; pipes for docks, roads and building structures.
Size: OD 1/2in-5in(12.7-127mm),Wall thickness: 0.035in-0.320in(0.9-8.1mm)
Grade:T1, T1a, T1b ,T2, T11, T12 ,T22
Schedules: 20, 30, 40, Standard (STD), Extra Heavy (XS), 80, 100, 120, 140, 160, XXS & Heavier
ASTM A250 Alloy Pipe Chemical composition
|
Grade |
Mfg. Process |
Chemical composition(%) |
||||||||
|
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Others |
||
|
T1 |
E |
0.10~0.20 |
0.10~0.50 |
0.30~0.80 |
0.045Max |
0.045Max |
- |
- |
0.44~0.65 |
- |
|
T1a |
E |
0.15`0.25 |
0.10~0.50 |
0.30~0.80 |
0.045Max |
0.045Max |
- |
- |
0.44~0.65 |
- |
|
T1b |
E |
0.14Max |
0.10~0.50 |
0.30~0.80 |
0.045Max |
0.045Max |
- |
- |
0.44~0.65 |
- |
|
T2 |
E |
0.10~0.20 |
0.10~0.50 |
0.30~0.81 |
0.030Max |
0.020Max |
- |
0.50~0.81 |
0.44~0.65 |
- |
|
T11 |
E |
0.05~0.15 |
0.10~0.50 |
0.30~0.60 |
0.030Max |
0.020Max |
- |
0.80~1.25 |
0.44~0.65 |
- |
|
T12 |
E |
0.05~1.15 |
0.50Max |
0.30~0.61 |
0.030Max |
0.020Max |
- |
0.80~1.25 |
0.44~0.65 |
- |
|
T22 |
E |
0.15Max |
0.50Max |
0.30~0.60 |
0.030Max |
0.020Max |
- |
1.90~2.60 |
0.87~1.13 |
- |
ASTM A250 Boiler Tube Mechanical Properties
|
Grade |
Tensile Test MPa or N/mm2 |
Remaks (Similar to JIS) |
Possibility Temperature |
|
|
Min Yield point |
Tensile Strength |
|||
|
T1 |
205 |
380Min |
(STBA12) |
|
|
T1a |
220 |
415Min |
(STBA13) |
|
|
T1b |
195 |
365Min |
- |
|
|
T2 |
205 |
415Min |
- |
|
|
T11 |
205 |
415Min |
- |
|
|
T12 |
205 |
415Min |
- |
|
|
T22 |
205 |
415Min |
- |
|
ASTM A250 Boiler Pipe
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A334 Seamless Alloy Steel Pipe
ABOUT US
GNEE Group is a well-known steel pipe supplier in China. It exports 50 million tons of steel pipes overseas every year and has sales of 500 million yuan. GNEE has excellent professional quality and guaranteed product quality, and has won unanimous recognition from customers at home and abroad. GNEE Group can provide you with high temperature and high pressure boiler pipes, line pipes, heat-resistant steel pipes, precision cold-rolled seamless pipes, etc. You are welcome to consult at any time.
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