ASTM A234 WP91 Alloy Steel Pipe Fittings Manufacturer, Supplier & Exporter in India
ASTM A234 WP91 Alloy Steel Pipe Fittings supplied by Astromet Steel & Engineering are high-performance creep-resistant fittings designed for ultra-high-temperature applications. These fittings are alloyed with chromium, molybdenum, and vanadium. WP91 fittings offer exceptional strength and thermal stability. They are ideal for advanced power systems.
The alloy composition provides superior creep rupture strength. These fittings perform reliably under continuous high-temperature exposure. They resist oxidation and thermal fatigue. Their metallurgical stability ensures long service life.
Astromet Steel & Engineering manufactures WP91 fittings under stringent quality standards. Products are heat-treated and tested as per ASTM requirements. Precision forging ensures dimensional accuracy. Custom engineering solutions are available.
WP91 alloy steel fittings provide excellent weldability with proper procedures. They ensure safe operation in extreme conditions. Their high strength reduces material thickness requirements. These fittings are preferred for critical systems.
Types Of ASTM A234 WP91 Alloy Steel Pipe Fittings
- Elbow (45°, 90°, 180° – Long Radius & Short Radius)
- Tee (Equal Tee, Reducing Tee)
- Reducer (Concentric & Eccentric)
- Stub End (Short & Long Pattern)
- Cross
- Cap
- Bend
- Union
- Coupling
- Nipple
- Ferrule
ASTM A234 WP91 Alloy Steel Pipe Fittings Specifications
| Alloy Steel WP91 Pipe Fittings Standard | ASTM A234 / ASME SA234 |
|---|---|
| Alloy Steel A234 WP91 Pipe Fittings Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Alloy Steel A234 WP91 Pipe Fittings Dimensions Size Range | 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated) |
| Alloy Steel A234 WP91 Pipe Fittings Type | Seamless / Welded / Fabricated |
| Alloy Steel A234 WP91 Pipe Fittings Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Alloy Steel A234 WP91 Pipe Fittings Thickness | Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS |
ASTM A234 WP91 Alloy Steel Pipe Fittings Equivalent Grades
| ASTM | UNS | EN |
|---|---|---|
| WP91 | K91560 | 1.4903 |
ASTM A234 WP91 Pipe Fittings Chemical Composition
| Grade | C | Mn | Si | S | P | Cr | Mo |
| A234 WP91 | 0.08-0.12 | 0.3-0.6 | 0.2-0.5 | ≤0.02 | ≤0.015 | 8-9.5 | 0.85-1.05 |
ASTM A234 WP91 Pipe Fittings Mechanical Properties
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| A234 WP91 | ≥590 | ≥415 | ≥20 |
Why Choose Astromet Steel & Engineering?
This advanced resistance to intergranular corrosion because of the
- Consistent quality & competitive pricing
- Ready stock & custom fabrication
- International standard compliance
- On-time delivery worldwide
- Complete documentation & certification
ASTM A234 WP91 Alloy Steel Pipe Fittings Usage & Applications
ASTM A234 WP91 Alloy Steel Pipe Fittings are used in oil & gas refineries, petrochemical plants, boilers, pressure vessels, and power plants.