As a professional welded pipe exporter, GNEE has more than 16 years of experience in steel pipe export and has 12 EFW steel pipe production lines with an annual output of 50,000 tons.
Among them, the standard size range of ASTM A691 Gr 9Cr pipes supplied is NPS (Nominal Pipe Size) 1/4 inch to 48 inches, and Schedule is SCH 10 to SCH 160. Pipes can be customized to meet specific project requirements. The size range depends on the actual needs of customers.
ASTM A691 9CR alloy pipes are widely used in petroleum, chemical, power, boiler and other fields.
High Pressure Steel EFW Gr 9 Cr Pipe
Chemical Composition of ASTM A691 Alloy Steel Gr 9Cr Pipes
| Grade | C | Si | Mn | P | S | Cr | Mo | V |
| Alloy Steel 9Cr | 0.15 | 1.00 | 00.30-0.60 | 0.025 | 0.025 | 8.00-10.00 | 0.90-1.10 | 0.04 |
Alloy Steel Gr 9Cr EFW Tube Mechanical Properties
| ASTM A691 | Yield point (N/mm2) | Tensile Stregth (N/mm2) | Elongation (%) |
| Alloy Steel Grade 9Cr | 205 min | 415 – 585 | 18 |
Specification of A691 Alloy Steel Gr 9Cr Cl.42 EFW Pipes
Specification : ASTM A691 / ASME SA691
Dimension Standard : ANSI B36.19M, ANSI B36.10
Types : EFW (Electric Fusion Welded Pipes)
Outer Diameter Size : 16" NB To 100" NB (Nominal Bore Size)
EFW Pipes : 6" NB - 24" NB
Length : 5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size
Pipe Ends : Plain Ends / Beveled Ends / threaded Ends/ Coupling
Delivery Conditions : As Rolled, Normalizing Rolled, Thermomechanical Rolled / Formed, Normalizing Formed, Normalized and Tempered / Quenched and Tempered - BR / N / Q /T
Packaging : Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector.
Advantages of Choosing GNEE A691 9 Cr Welded Pipes
GNEE is exported to more than 80 regions including Southeast Asia, the Middle East, South America, Africa, North America, and Europe.
GNEE can provide seamless/ ERW/ welded/ fabricated etc. sizes. Shapes are round, square, rectangular, hydraulic etc.
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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