Alloy Steel A691 9CR EFW Pipes
Size: 1/2” NB - 24” NB
Payment terms: T/T, L/C
A691 9CR Alloy Steel Pipe Description
A691 9CR alloy pipes are suitable for high-temperature, high-pressure service conditions and are made from high-strength pressure vessel steel plates, using electric-fusion-welded filler metal. A691 9CR steel pipes have an outer diameter of no less than 16 inches (400mm) and can be up to 3 inches (75mm) thick.
GNEE Group is a steel pipe manufacturer that can supply ASTM A691 9CR steel pipes and provide heat treatment according to your requirements. If you need A691 steel pipes, please contact us.
A691 9CR Welded Steel Tube Specification
| Specification | ASTM A691 / ASME SA691 |
| Grade | 9CR |
| Outside Diameter | 6-2500mm |
| WT | 1-200mm |
| Size | 1/8"NB TO 30"NB IN |
| Length | Single Random, Double Random & Required Length |
| Schedules | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules |
| Type | EFW/ LSAW |
| Form | Round, Square, Rectangular, Oval, Hydraulic Etc |
| End | Plain End, Beveled End, Treaded |
| Inspection, Test | Chemical Reports, Mechanical Reports, Visual Inspection Reports, Third Party Inspection Reports, Destructive Test Report, Non Destructive Test Reports |
ASTM A691 9CR Welded Steel Pipe Chemical Composition
| ASTM A691 | Grade 9CR |
| C | 0.15 |
| Mn | 0.30-0.60 |
| P | 0.025 |
| S | 0.025 |
| Si | 1.00 |
| Cr | 8.00 - 10.00 |
| Mo | 0.90 - 1.10 |
ASTM A691 9CR Welded Tubing Mechanical Properties
| ASTM A691 | Grade 9CR |
| Tensile (MPa) | 515 - 690 |
| Yield (MPa) | 310 min |
| Elong. (50 mm) | 18% min |
| Reduc'n of Area* | 40% min |
A691 9CR Welded Steel Tubes
GNEE Packing : Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
GNEE Services
- 20 steel pipe production lines, supporting customised steel pipes.
- Over 200 employees at your service, providing a one-stop solution with high efficiency to address your needs.
- Providing steel pipe processing services, including grooving, beveling, threading, coating, cutting, and more.
- Support for third-party inspection.
- Offering a variety of steel pipe quality inspection services, including chemical element content testing, hardness testing, bending testing, impact testing, eddy current testing, and more.
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