GNEE is a professional supplier and exporter of Alloy Steel 2 1/4 CR Pipes, with annual exports up to 30,000 tons.
ASTM A691 2-1/4 CR EFW Pipes contain a specific ratio of chromium and molybdenum, which improves the high temperature and corrosion resistance of the steel pipe.
ASTM A691 2-1/4 CR Alloy Steel Pipes have high strength and excellent pressure resistance, suitable for high pressure occasions, such as high pressure transmission pipelines, process pipelines in chemical equipment, etc.
Alloy Steel ASTM A691 GR 2-1/4 CR Pipe
ASTM A691 2-1/4CR pipes can also be made into elbows, bends, tees, reducers and other accessories.
Pipe fittings standard: ASTM A234 WP22
Flange standard: ASTM A182 F22
Original steel plate standard: ASTM A387 Grade 22 / ASME SA387 Grade 22
ASTM A691 2-1/4CR Pipes chemical composition
| 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 2-1/4CR 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 |
ASTM A691 2-1/4CR Alloy Piping Specification
Material types: Chrome Moly Welded Pipe
Manufacturing types: EFW Electric-Fusion-Welded
Sizes: 16" to 60"
Wall thickness: SCH 2o, SCH 40, SCH STD, SCH 80, SCH XS, SCH 160, up to 3 inch
Advantages of Choosing GNEE A691 tubings
GNEE can provide seamless/ ERW/ welded/ fabricated etc. sizes. Shapes are round, square, rectangular, hydraulic etc.
All products are supplied according to the standards of ASTM/AISI of the United States, DIN of Germany, JIS of Japan, and GB of China, and can also be supplied according to the technical requirements provided by customers.
If you have any questions about product information or ordering, please feel free to contact us for more details!sales@gneetube.com
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FAQ
Q: Do you have quality control system?
A: Yes, we have our own quality control laboratory.Third party testing servicesare also available.
Q. Can you provide samples?
A.We can provide them for free, you need to bear the shipping cost.
Q.What is the delivery time?
A.Within 7-15 days after we confirm your request.
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