DIPTI METAL INDUSTRIES
Leading ASTM A234 Pipe Fittings Manufacturer, Stockist & Exporter in Mumbai, India
Dipti Metal Industries (A KMR Group Company) is the premier global ASTM A234 Manufacturer and ASTM A234 Stockist of carbon and alloy steel buttweld pipe fittings. Under our trusted Dipti® brand, we supply high-integrity WP-S (Seamless) and WP-W (Welded) fittings in grades WPB, WPC, WP11, WP22, and WP91. ASTM A234 covers wrought fittings for moderate and high-temperature pressure piping. Widely used in power plants, refineries, and petrochemical projects, our materials are supplied from Mumbai, India with full EN 10204 3.1 mill certification and third-party inspection compliance.
Explore Related Pipe Fitting Standards
ASTM A234 (Carbon & Alloy) ASTM A403 (Stainless Steel) ASTM A815 (Duplex) ASTM A420 (Low-Temp)🏭 Industrial Authority in Carbon & Alloy Steel Fittings
As a leading ASTM A234 Supplier in Mumbai, Dipti Metal Industries provides mission-critical piping solutions for the global energy and infrastructure sectors. ASTM A234 WPB is the standard for carbon steel pressure piping, while Alloy Steel grades like WP11, WP22, and WP91 offer exceptional creep strength and oxidation resistance for high-pressure steam service. We ensure that every fitting manufactured under the Dipti® brand undergoes rigorous heat treatment to achieve optimum mechanical properties.
Engineering Compliance
- Dimensional Standards: ASME B16.9, MSS SP-75, ASME B36.10M
- Construction Classes: WP-S, WP-W, WP-WX (Welded with 100% X-Ray)
- 100% Magnetic Particle Inspection (MPI) and Ultrasonic Testing
- IBR (Indian Boiler Regulations) certified for steam service
The Dipti Metal Advantage
- Widest inventory of WP11, WP22, and WP91 Fittings in Mumbai
- Custom Fabrication: Hot Induction Bends up to 10D Radius
- Anti-corrosive treatment: Black Bitumen, Galv, or Oil-coated
- Global air and sea export logistics from Mumbai hubs
🧪 ASTM A234 Pipe Fittings — Chemical Composition
Chemical requirements for wrought carbon and alloy steel fittings. Values represent maximum percentages unless a range is shown.
| Grade | UNS | C % | Mn % | P % | S % | Si % | Cr % | Mo % | Others |
|---|---|---|---|---|---|---|---|---|---|
| WPB | K03006 | 0.30 max | 0.29–1.06 | 0.050 | 0.058 | 0.10 min | 0.40 max | 0.15 max | Cu 0.40; Ni 0.40 |
| WPC | K03501 | 0.35 max | 0.29–1.06 | 0.050 | 0.058 | 0.10 min | 0.40 max | 0.15 max | Cu 0.40; Ni 0.40 |
| WP11 | K11572 | 0.05–0.15 | 0.30–0.60 | 0.030 | 0.030 | 0.50–1.00 | 1.00–1.50 | 0.44–0.65 | — |
| WP22 | K21590 | 0.05–0.15 | 0.30–0.60 | 0.030 | 0.030 | 0.50 max | 1.90–2.60 | 0.87–1.13 | — |
| WP91 | K90901 | 0.08–0.12 | 0.30–0.60 | 0.020 | 0.010 | 0.20–0.50 | 8.00–9.50 | 0.85–1.05 | V 0.18–0.25; N 0.03–0.07 |
| WP5 | K41545 | 0.15 max | 0.30–0.60 | 0.040 | 0.030 | 0.50 max | 4.00–6.00 | 0.44–0.65 | — |
| WP9 | K90941 | 0.15 max | 0.30–0.60 | 0.030 | 0.030 | 1.00 max | 8.00–10.00 | 0.90–1.10 | — |
📊 Mechanical Properties: ASTM A234 Grades
| Grade | Tensile Strength (min) | Yield Strength (min) | Elongation (min) | Hardness (max) |
|---|---|---|---|---|
| WPB | 415 MPa (60 ksi) | 240 MPa (35 ksi) | 20–30% | 197 HBW |
| WPC | 485 MPa (70 ksi) | 275 MPa (40 ksi) | 20–30% | 197 HBW |
| WP11 / WP12 | 415 MPa (60 ksi) | 205 MPa (30 ksi) | 20% | 197 HBW |
| WP22 | 415 MPa (60 ksi) | 205 MPa (30 ksi) | 20% | 197 HBW |
| WP91 | 585 MPa (85 ksi) | 415 MPa (60 ksi) | 20% | 248 HBW |
ASTM A234 Product Range & Construction
- ASTM A234 90° and 45° Elbows (LR/SR)
- ASTM A234 180° Return Bends
- ASTM A234 Equal & Reducing Tees
- ASTM A234 Concentric & Eccentric Reducers
- ASTM A234 End Caps & Domed Caps
- ASTM A234 Stub Ends (Short/Long Pattern)
- ASTM A234 Laterals & Crosses
- Custom Induction Bends (3D, 5D, 10D Radius)
- Protective Coating: Hot Dip Galvanized, Epoxy Coating, FBE Coating.
- Custom Machining: Specialized beveling (Compound, Square) to match heavy wall pipe.
- NDE: 100% Radiography for Fabricated / Welded (WP-W) fittings.
Global Export Reach for ASTM A234 Fittings (75+ Countries)
We deliver certified Carbon & Alloy steel fittings to oil & gas and power projects worldwide via Mumbai's international logistics network.
UAE (Dubai, Abu Dhabi), Saudi Arabia (Riyadh, Jubail, Dammam), Oman (Muscat, Sohar), Qatar (Doha), Kuwait, Bahrain.
USA (Houston, New Orleans), Canada (Calgary), Europe (UK, Germany, Netherlands), Asia (Singapore, Malaysia, Thailand), Africa (Nigeria, South Africa, Egypt), Oceania (Australia, New Zealand).
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📍 Contact Dipti Metal Industries
Dipti Metal Industries (KMR Group)
No.9, Shreepati Castle, D-1, 10–11th Khetwadi Back Road, Mumbai – 400004, India
Sales: +91-22-66381301
WhatsApp: +91-9975266499
Email: info@diptimetal.com