Reducing Elbow
Butt Weld Reducing Elbow
45°, 90°, 135° and 180°
ASME B16.9 / ASME B16.28
1/2" NB to 72" NB
Butt Weld / Bevelled Ends
Seamless / ERW / Welded / Fabricated
SCH 20, SCH 30, SCH 40, STD, SCH 80, XS, SCH 60, SCH 120, SCH 140, SCH 160, XXS
Large Diameter Pipe Connection
Reduced Diameter Pipe Connection
Bevelled Ends as per ASME B16.25
Oil & Gas, Petrochemical, Chemical, Power, Refinery and Process Industries
ASTM A234 WPB / WPC
ASTM A403 WP304, WP304L, WP316, WP316L, WP321, WP347
ASTM A234 WP5, WP9, WP11, WP22, WP91
ASTM A815 UNS S31803, S32205, S32750 and S32760
Inconel, Incoloy, Monel, Hastelloy and Nickel Alloys
| Standard | Description |
|---|---|
| ASME B16.9 | Factory-Made Wrought Butt-Welding Fittings |
| ASME B16.28 | Wrought Steel Butt-Welding Short Radius Elbows and Returns |
| ASME B16.25 | Butt-Welding End Preparation |
| MSS-SP-43 | Wrought Stainless Steel Butt-Welding Fittings |
| MSS-SP-75 | Specification for High-Test Wrought Butt-Welding Fittings |
| ASTM A234 | Wrought Carbon Steel and Alloy Steel Fittings |
| ASTM A403 | Wrought Austenitic Stainless Steel Fittings |
| ASTM A815 | Wrought Duplex and Ferritic/Austenitic Stainless Steel Fittings |
ASME B16.9 dimensional reference
| NPS | Large End OD (mm) | Small End OD (mm) | Center-to-End A (mm) |
|---|---|---|---|
| 2" × 1 1/2" | 60.3 | 48.3 | 76 |
| 2" × 1 1/4" | 60.3 | 42.2 | 76 |
| 2" × 1" | 60.3 | 33.4 | 76 |
| 3" × 2 1/2" | 88.9 | 73.0 | 114 |
| 3" × 2" | 88.9 | 60.3 | 114 |
| 3" × 1 1/2" | 88.9 | 48.3 | 114 |
| 4" × 3" | 114.3 | 88.9 | 152 |
| 4" × 2 1/2" | 114.3 | 73.0 | 152 |
| 4" × 2" | 114.3 | 60.3 | 152 |
| 5" × 4" | 141.3 | 114.3 | 190 |
| 5" × 3 1/2" | 141.3 | 101.6 | 190 |
| 5" × 3" | 141.3 | 88.9 | 190 |
| 5" × 2 1/2" | 141.3 | 73.0 | 190 |
| 6" × 5" | 168.3 | 141.3 | 229 |
| 6" × 4" | 168.3 | 114.3 | 229 |
| 6" × 3 1/2" | 168.3 | 101.6 | 229 |
| 6" × 3" | 168.3 | 88.9 | 229 |
| 8" × 6" | 219.1 | 168.3 | 305 |
| 8" × 5" | 219.1 | 141.3 | 305 |
| 8" × 4" | 219.1 | 114.3 | 305 |
| 10" × 8" | 273.0 | 219.1 | 381 |
| 10" × 6" | 273.0 | 168.3 | 381 |
| 10" × 5" | 273.0 | 141.3 | 381 |
| 12" × 10" | 323.8 | 273.0 | 457 |
| 12" × 8" | 323.8 | 219.1 | 457 |
| 12" × 6" | 323.8 | 168.3 | 457 |
| 14" × 12" | 355.6 | 323.8 | 533 |
| 14" × 10" | 355.6 | 273.0 | 533 |
| 14" × 8" | 355.6 | 219.1 | 533 |
| 16" × 14" | 406.4 | 355.6 | 610 |
| 16" × 12" | 406.4 | 323.8 | 610 |
| 16" × 10" | 406.4 | 273.0 | 610 |
| 18" × 16" | 457.0 | 406.4 | 686 |
| 18" × 14" | 457.0 | 355.6 | 686 |
| 18" × 12" | 457.0 | 323.8 | 686 |
| 18" × 10" | 457.0 | 273.0 | 686 |
| 20" × 18" | 508.0 | 457.0 | 762 |
| 20" × 16" | 508.0 | 406.4 | 762 |
| 20" × 14" | 508.0 | 355.6 | 762 |
| 20" × 12" | 508.0 | 323.8 | 762 |
| 20" × 10" | 508.0 | 273.0 | 762 |
| 24" × 22" | 610.0 | 559.0 | 914 |
| 24" × 20" | 610.0 | 508.0 | 914 |
| 24" × 18" | 610.0 | 457.0 | 914 |
| 24" × 16" | 610.0 | 406.4 | 914 |
| 24" × 14" | 610.0 | 355.6 | 914 |
| 24" × 12" | 610.0 | 323.8 | 914 |
| Schedule | Typical Designation | Application |
|---|---|---|
| SCH 20 | Light Wall | Low to moderate pressure piping |
| SCH 30 | Medium Wall | Industrial piping |
| SCH 40 / STD | Standard Wall | General industrial piping |
| SCH 60 | Heavy Wall | Higher pressure service |
| SCH 80 / XS | Extra Heavy | Higher pressure and demanding service |
| SCH 120 | Heavy Wall | High-pressure applications |
| SCH 140 | Heavy Wall | High-pressure applications |
| SCH 160 | Extra Heavy | High-pressure industrial service |
| XXS | Double Extra Heavy | Heavy-duty piping service |
ASTM A234 WPB / SCH 40 reference values
| Size | Large OD (mm) | Small OD (mm) | Center-to-End (mm) | Approx. Weight (kg) |
|---|---|---|---|---|
| 2" × 1 1/2" | 60.3 | 48.3 | 76 | 0.64 |
| 2" × 1 1/4" | 60.3 | 42.2 | 76 | 0.59 |
| 4" × 3" | 114.3 | 88.9 | 152 | 1.70 |
| 4" × 2 1/2" | 114.3 | 73.0 | 152 | 1.55 |
| 6" × 4" | 168.3 | 114.3 | 229 | 4.90 |
| 8" × 6" | 219.1 | 168.3 | 305 | 10.00 |
| 10" × 8" | 273.0 | 219.1 | 381 | 18.00 |
| 12" × 10" | 323.8 | 273.0 | 457 | 30.00 |
| 14" × 12" | 355.6 | 323.8 | 533 | 43.00 |
| 16" × 14" | 406.4 | 355.6 | 610 | 58.00 |
| 18" × 16" | 457.0 | 406.4 | 686 | 76.00 |
| 20" × 18" | 508.0 | 457.0 | 762 | 100.00 |
| 24" × 20" | 610.0 | 508.0 | 914 | 145.00 |
Note: Weight varies according to material grade, wall thickness, size combination and manufacturing method. Confirm final weight against the manufacturer's certified weight chart.
| Element | Requirement | Unit |
|---|---|---|
| Carbon (C) | 0.30 Max. | % |
| Manganese (Mn) | 0.29 – 1.06 | % |
| Silicon (Si) | 0.10 Min. | % |
| Phosphorus (P) | 0.050 Max. | % |
| Sulfur (S) | 0.058 Max. | % |
| Chromium (Cr) | 0.40 Max. | % |
| Molybdenum (Mo) | 0.15 Max. | % |
| Nickel (Ni) | 0.40 Max. | % |
| Copper (Cu) | 0.40 Max. | % |
| Vanadium (V) | 0.08 Max. | % |
| Niobium (Nb) | 0.02 Max. | % |
7.85 g/cm³
Approx. 200 GPa
Reference range: −29°C to +425°C
Carbon Steel
ASTM A234 WPB / ASME SA234 WPB
Moderate & High Temperature Piping
415 MPa Min.
60 ksi Min.240 MPa Min.
35 ksi Min.22% Min.
Longitudinal14% Min.
Reference requirement197 HBW Max.
Brinell Hardness0.50 Max.
Reference CE requirement| Type | Angle | End Configuration | Application |
|---|---|---|---|
| 90° Reducing Elbow | 90° | Large End × Small End | Change direction and reduce pipe diameter |
| 45° Reducing Elbow | 45° | Large End × Small End | Gradual directional change with reduction |
| 135° Reducing Elbow | 135° | Large End × Small End | Special piping configurations |
| 180° Reducing Return | 180° | Large End × Small End | Return piping arrangements |
Large-end OD, small-end OD, center-to-end, wall thickness and end preparation are checked against applicable dimensional requirements.
Radiographic, ultrasonic, magnetic particle or liquid penetrant examination can be supplied according to project requirements.
Material Test Certificate, dimensional report and inspection documentation can be supplied according to purchase requirements.
| Service | Availability |
|---|---|
| Shot Blasting | Available |
| Sand Blasting | Available |
| Painting | Available as required |
| Hot Dip Galvanizing | Available as required |
| Pickling & Passivation | Available for stainless steel grades |
| PMI Testing | Available as required |
Each flange follows a rigorous 8-step forging and quality-control process to ensure conformance with ASTM A182 and ASME standards.
Prime 304 stainless steel billet sourced and certified.
Heat to 1100°C – 1250°C for optimal forgeability.
Shape billet into flange geometry under controlled pressure.
Solution anneal at 1040°C – 1120°C, then quench.
CNC machining, drilling, and surface finishing.
Tensile, hardness, PMI, visual and impact tests performed.