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ASTM A691 Grade 2-1/4CR Steel EFW Pipes
ASTM A691 Grade 2-1/4CR Steel EFW Pipes
ASTM A691 Grade 2-1/4CR Steel EFW Pipes
ASTM A691 Grade 2-1/4CR Steel EFW Pipes
ASTM A691 Grade 2-1/4CR Steel EFW Pipes
ASTM A691 Grade 2-1/4CR Steel EFW Pipes
ASTM A691 Grade 2-1/4CR Steel EFW Pipes
ASTM A691 Grade 2-1/4CR Steel EFW Pipes

ASTM A691 Grade 2-1/4CR Steel EFW Pipes

‌ASTM A691 2-1/4Cr Grade Steel Pipe‌ is an electric fusion welded steel pipe specially designed for high temperature and high pressure conditions.
standard:ASTM
Surface :1. Galvanized 2. Black and Color Painting
introduction
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introduction
The ‌A691 standard covers electric fusion welded carbon steel and alloy steel pipes used under high temperature and high pressure conditions. The material of this steel pipe belongs to CR-MO heat-resistant steel, where 2-1/4CR represents the grade of the steel pipe, specifically 1 1/4% chromium and 1/2% molybdenum steel. CL22 represents the heat treatment state.
In addition, the production method of ‌ASTM A691 2-1/4CR grade welded steel pipe is EFW (electric fusion welding), the specifications reach more than 406mm, and the production cycle is about 20 days, ensuring that the product specifications are complete and can meet the needs of different customers.
Data table

Chemical composition of ASTM A691 Grade 2-1/4CR EFW Pipes

ASTM A691 Grade 2 1/4CR
C 0.05-0.15
Mn 0.30-0.60
P 0.025
S 0.025
Si 0.50
Cr 2.00 - 2.50
Mo 0.90 - 1.10

Mechanical Properties of ASTM A691 Grade 2-1/4CR Alloy Steel EFW Pipes

ASTM A691 Grade 2 1/4CR
Tensile (MPa) 515 - 690
Yield (MPa) 310 min
Elong. (50 mm) 18% min
Reduc'n of Area* 40% min
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Why Choose GNEE

1. High quality with reasonable price.
2.Wide excellent experiences with after-sale service.
3. Every process will be checked by responsible QC which insures every product's quality.
4. Professional packing teams which keep every packing safely.
5. Trial order can be done in one week.
6. Free Samples can be provided as your requirements.
If you would like to know more about our company or our products, please feel free to contact us. 

 

FAQ

Q: Do you have quality control?
A: Yes, we have gained BV, SGS authentication.
Q: Can you arrange the shipment?
A: Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional service.
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 25-45 days if the goods are not in stock, it is according to quantity.








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