Carbon Steel Weld Fittings
Carbon Steel Seamless & Forged Buttweld Pipe Fittings Manufacturer in India
CS Elbows, Tees, Reducers, Caps, and Flanges under ASME B16.9 / B16.28
Product Overview
Kuldevi Forge & Fittings is a leading manufacturer, stockist, and supplier of premium **Carbon Steel Weld Fittings** in India. Our range includes high-toughness seamless and forged buttweld pipe fittings built for critical oil and gas transmission, petrochemical processes, paper mills, energy industries, and structural pipeline applications.
Our product line includes **Carbon Steel Elbows** designed to redirect fluid flow (available in 45°, 90°, and 180° turns with both long radius and short radius configurations), **Carbon Steel Tees** (equal and unequal/reducing layouts to split pipelines at three connection points), **Carbon Steel Reducers** (concentric and eccentric profiles depending on the pipeline axis), **Caps**, and **Stub Ends**.
These fittings are manufactured from carbon steel grades including **ASTM A234 WPB** (for moderate and high temperature service), **ASTM A420 WPL6** (impact tested low-temperature carbon steel for low-temperature service down to -45°C), and high-yield **ASTM A860 WPHY 42 / 52 / 56 / 60 / 65 / 70** grades. High-yield and low-temperature CS fittings are preferred in cold weather operations and high-pressure transmission networks due to their excellent fatigue limit and high tensile properties.
We stock and supply standard wall thicknesses from Schedule 5 through Schedule XXS. We also specialize in forged carbon steel threaded pipe fittings, ensuring uniform grain flow and superior structural integrity.
Technical Specifications
| Product Category | Carbon Steel Buttweld Pipe Fittings & Flanges |
|---|---|
| Standards & Designs | ASME / ANSI B16.9, B16.28, B16.25, MSS-SP-43, MSS-SP-75 |
| Material Grades | ASTM A234 WPB, ASTM A420 WPL6 (LTCS), ASTM A860 WPHY 42 / 52 / 56 / 60 / 65 / 70 |
| Standard Sizes Range | Seamless: 1/2" to 24" | Welded / Fabricated: 26" to 72" | Custom dimensions on demand |
| Schedules & Thicknesses | Sch 5, Sch 10, Sch 20, Sch 40 (STD), Sch 80 (XS), Sch 120, Sch 160, Sch XXS |
| Available Configurations | Elbows (45°, 90°, 180°, Long Radius, Short Radius), Tees (Equal, Unequal/Reducing), Reducers (Concentric, Eccentric), Caps, Stub Ends, Swage Nipples, Pipe Bends, Crosses |
| Testing & Compliance | Chemical Analysis, Tensile/Mechanical Testing, Radiography (X-Ray), Hydrostatic Testing, Ultrasonic Inspection, NACE MR 0175 compliant for sour service |
ASME B16.9 Butt Weld Fittings Size Chart
Standard outside diameters (OD) and center-to-end dimensions (mm) for ASME B16.9 elbows and tees.
| Nominal Pipe Size (NPS) | Outside Diameter (OD - mm) | 90° Long Radius Elbow - A (mm) | 45° Long Radius Elbow - B (mm) | Equal Tee Center-to-End - C (mm) |
|---|---|---|---|---|
| 1/2" | 21.3 | 38 | 16 | 25 |
| 3/4" | 26.7 | 38 | 19 | 29 |
| 1" | 33.4 | 38 | 22 | 38 |
| 1-1/2" | 48.3 | 57 | 29 | 57 |
| 2" | 60.3 | 76 | 35 | 64 |
| 2-1/2" | 73.0 | 95 | 44 | 76 |
| 3" | 88.9 | 114 | 51 | 86 |
| 4" | 114.3 | 152 | 64 | 105 |
| 6" | 168.3 | 229 | 95 | 143 |
| 8" | 219.1 | 305 | 127 | 178 |
Available Carbon Steel Grade Systems
We stock and manufacture butt weld fittings in various grades optimized for pressure and temperature extremes:
