Table of Contents
Katariya Steel is an ASTM A234 WP91 Fittings Manufacturer and Supplier in India, offering Alloy Steel WP91 pipe fittings in different configurations, sizes and construction options. The fittings are supplied for piping systems where the specified material grade, dimensions, heat treatment and inspection requirements need to be maintained.
| Standard | ASTM A234 / ASME SA234 |
|---|---|
| Grade | WP91 |
| Material | Alloy Steel / Chromium-Molybdenum |
| Size Range | 1/8" NB to 48" NB |
| Construction | Seamless / Welded / Fabricated |
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Fitting Types | Elbows, Tees, Reducers, Caps, Crosses, Stub Ends and Bends |
| GRADE | EQUIVALENT IDENTIFICATION |
| ASTM A234 WP91 | Alloy Steel WP91 |
| UNS | K90901 |
| DIN | 1.4903 |
| Material Designation | 9Cr-1Mo-V |
| ELEMENT | COMPOSITION |
| Carbon (C) | 0.08–0.12% |
| Manganese (Mn) | 0.30–0.60% |
| Silicon (Si) | 0.20–0.50% |
| Phosphorus (P) | 0.020% Max |
| Sulfur (S) | 0.010% Max |
| Chromium (Cr) | 8.00–9.50% |
| Molybdenum (Mo) | 0.85–1.05% |
| Vanadium (V) | 0.18–0.25% |
| Nitrogen (N) | 0.030–0.070% |
| Nickel (Ni) | 0.40% Max |
| Aluminum (Al) | 0.02–0.04% |
| Niobium (Nb) | 0.06–0.10% |
The chemical composition identifies WP91 as a chromium-molybdenum-vanadium alloy steel grade with controlled alloying elements.
| MECHANICAL PROPERTY | REQUIREMENT |
| Tensile Strength | 585 MPa Min |
| Yield Strength | 415 MPa Min |
| Elongation | 20% Min |
| NOMINAL PIPE SIZE (NPS) | OUTSIDE DIAMETER AT BEVEL | INSIDE DIAMETER AT END | WALL THICKNESS | CENTRE-TO-END DIMENSION A,B,C,M | OVERALL LENGTH L | OVERALL LENGTH E | CENTRE-TO-CENTRE DIMENSION O | BACK-TO-FACE DIMENSION K | ALIGNMENT AT ENDS U |
| 1/2 TO 2-1/2 | +1/16 / -1/32 | ±1/32 | Not less than 87-1/2% of Normal Thickness | ±1/16 | ±1/16 | ±1/8 | ±1/4 | ±1/4 | ±1/32 |
| 3 TO 3-1/2 | ±1/16 | ±1/16 | ±1/16 | ±1/16 | ±1/8 | ±1/4 | ±1/4 | ±1/32 | |
| 4 | ±1/16 | ±1/16 | ±1/16 | ±1/16 | ±1/8 | ±1/4 | ±1/4 | ±1/32 | |
| 5 TO 8 | +1/32 / -1/16 | ±1/16 | ±1/16 | ±1/16 | ±1/4 | ±1/4 | ±1/4 | ±1/32 | |
| 10 TO 18 | +1/16 / -1/8 | ±1/8 | ±3/32 | ±3/32 | ±1/4 | ±3/8 | ±1/4 | ±1/16 | |
| 20 TO 24 | +1/4 / -3/32 | ±3/32 | ±3/32 | ±3/32 | ±1/4 | ±3/8 | ±1/4 | ±1/16 |
| NOMINAL PIPE SIZE | OFF ANGLE Q | OFF ANGLE P |
| 1/2 to 4 | 1/32 | 1/16 |
| 5 to 8 | 1/16 | 1/8 |
| 10 to 12 | 3/32 | 3/16 |
| 14 to 16 | 3/32 | 1/4 |
| 18 to 24 | 1/8 | 3/8 |
All dimensions are in inches.
Notes:
ASTM A234 WP91 fittings are manufactured using forming, shaping, heat treatment, machining and finishing operations appropriate to the fitting configuration.
The typical manufacturing sequence includes:
The exact manufacturing route depends on the fitting type, size, construction and applicable production requirements.
Quality inspection is performed according to the applicable material specification, dimensional requirements, purchase order and project inspection plan.
Inspection and testing documentation can be supplied according to the requirements specified at the time of order.
Katariya Steel supplies ASTM A234 WP91 Fittings in different configurations, sizes and construction options for industrial and project requirements. Buyers can specify the required fitting type, nominal size, schedule, bending radius, quantity and inspection requirements when requesting a quotation.
ASTM A234 WP91 Fittings are supplied for domestic stock and export requirements according to product availability, specifications and order quantities.
Katariya Steel supplies ASTM A234 WP91 Elbows in 45°, 90° and 180° configurations, with long-radius and short-radius options. Seamless, welded and fabricated constructions are available according to the required specification.
ASTM A234 WP91 Elbows are supplied for stock, project and export requirements according to the specified size, schedule, radius, construction and quantity.
For quotation, buyers can provide the elbow angle, nominal size, schedule, bending radius, quantity and inspection requirements.
Katariya Steel supplies ASTM A234 WP91 Tees in equal and reducing configurations for branch connections in alloy steel piping systems.
ASTM A234 WP91 Tees are available for domestic supply and export orders according to the specified configuration, size, schedule, quantity and inspection requirements.
The price of ASTM A234 WP91 Fittings depends on the product specification and order requirements.
Key factors include:
For an accurate quotation, provide the complete WP91 fitting specification and required quantity.
Send the following details to receive a quotation:
Request a quotation from Katariya Steel for ASTM A234 WP91 Fittings, Elbows and Tees.
We’re Good in All
Steel Works
Expert & Professional
Workers
Very Reasonable
Price