The Alloy Steel Pipe Fittings are employed in the piping system to join up or divert the flow particularly in high-pressure and high-temperature piping systems. These fittings are prepared by including elements such as chromium, molybdenum and nickel with steel that enhances the strength, heat resistance and corrosion resistance. Due to this fact, alloy steel fittings are far more stronger and durable compared to ordinary carbon steel fittings.
Alloy steel has a chemical composition, which enables it to work in adverse environments. Chromium enhances resistance to rust and oxidation, molybdenum enhances high-temperature strength and nickel enhances toughness. Alloy steel fittings due to these factors possess good mechanical characteristics like high strength, hardness and long service life. They are able to withstand high pressure and temperature without distorting their shape and work. Some of the commonly used grades are ASTM A234 WP5, WP9, WP11 and WP22 each with certain industrial applications.
Such fittings have such important characteristics as high durability, heat and corrosion resistance, and they are easily welded and installed. These advantages have made alloy steel pipe fittings very common in industries dealing with oil and gas, power generation, petrochemicals, refineries, and chemical processing among many others that need powerful and dependable piping systems. Metinox Overseas is the major manufacturer and Supplier of Alloy steel pipe fitting and other material also in different sizes and shape.
Request a Quote now!| Property | Details |
|---|---|
| Specification | ASTM A234 / ASME SA234 |
| Grades | WP1, WP5, WP9, WP11, WP12, WP22, WP91, WP92 |
| Size Range (Welded) | 1/2" – 48" |
| Size Range (Seamless) | 1/2" – 10" |
| Schedule | SCH 10 to XXS (Extra Strong) |
| Bending Radius | 1D, 2D, 3D, 5D, 6D, 8D, 10D, and Custom |
| Types | Elbow (45°/90°/180°), Tee (Equal/Reducing), Reducer (Concentric/Eccentric), Cap, Stub End, Cross, Bend |
| Manufacturing Process | Seamless / Welded / Forged / Fabricated |
| Dimensional Standards | ASME B16.9, ASME B16.28, MSS-SP-43 |
| End Connections | Buttweld (BW), Socket Weld (SW), Threaded (NPT) |
| Pressure Ratings | 2000#, 3000#, 6000#, 9000# |
| Test Certificates | EN 10204/3.1B, Third-Party Inspection (TPI) |
| Grade | Carbon (C) | Manganese (Mn) | Silicon (Si) | Chromium (Cr) | Molybdenum (Mo) | Sulfur (S) | Phosphorus (P) |
|---|---|---|---|---|---|---|---|
| WP1 | 0.28 max | 0.30–0.90 | 0.10–0.50 | — | 0.44–0.65 | 0.045 | 0.045 |
| WP5 CL1/CL3 | 0.15 max | 0.30–0.60 | 0.50 max | 4.0–6.0 | 0.44–0.65 | 0.030 | 0.040 |
| WP9 CL1/CL3 | 0.15 max | 0.30–0.60 | 1.00 max | 8.0–10.0 | 0.90–1.10 | 0.030 | 0.030 |
| WP11 CL1 | 0.05–0.15 | 0.30–0.60 | 0.50–1.00 | 1.0–1.50 | 0.44–0.65 | 0.030 | 0.030 |
| WP11 CL2/CL3 | 0.05–0.20 | 0.30–0.80 | 0.50–1.00 | 1.0–1.50 | 0.44–0.65 | 0.040 | 0.040 |
| WP22 CL1/CL3 | 0.05–0.15 | 0.30–0.60 | 0.50 max | 1.90–2.60 | 0.87–1.13 | 0.040 | 0.040 |
| WP91 | 0.08–0.12 | 0.30–0.60 | 0.20–0.50 | 8.0–9.5 | 0.85–1.05 | 0.010 | 0.020 |
| WP92 | 0.07–0.13 | 0.30–0.60 | 0.50 max | 8.5–9.5 | 0.30–0.60 | 0.010 | 0.020 |
| Grade | Yield Strength, min. (MPa) | Tensile Strength, min. (MPa) | Elongation (%) Longitudinal | Elongation (%) Transverse |
|---|---|---|---|---|
| WP1 | 205 | 380–550 | 20 | 13 |
| WP5 CL1 | 205 | 415 | 22 | 14 |
| WP5 CL3 | 310 | 520 | 22 | 14 |
| WP11 CL1 | 205 | 415 | 22 | 14 |
| WP11 CL2 | 275 | 485 | 22 | 14 |
| WP11 CL3 | 310 | 520 | 22 | 14 |
| WP22 CL1 | 205 | 415 | 22 | 14 |
| WP22 CL3 | 310 | 520 | 22 | 14 |
| WP9 CL1 | 205 | 415 | 22 | 14 |
| WP91 | 415 | 585 | 20 | — |
| NPS (inches) | OD (mm) | 90° LR Center-to-End A (mm) | 45° LR Center-to-End B (mm) | 90° 3D Center-to-End A (mm) | 45° 3D Center-to-End B (mm) |
|---|---|---|---|---|---|
| 1/2 | 21.03 | 38 | 16 | — | — |
| 3/4 | 26.07 | 38 | 19 | 57 | 24 |
| 1 | 33.04 | 38 | 22 | 76 | 31 |
| 1¼ | 42.02 | 48 | 25 | 95 | 39 |
| 1½ | 48.03 | 57 | 29 | 114 | 47 |
| 2 | 60.03 | 76 | 35 | 152 | 63 |
| 2½ | 73.00 | 95 | 44 | 190 | 79 |
| 3 | 88.09 | 114 | 51 | 229 | 95 |
| 3½ | 101.06 | 133 | 57 | 267 | 111 |
| 4 | 114.03 | 152 | 64 | 305 | 127 |
| 5 | 141.03 | 190 | 79 | 381 | 157 |
| 6 | 168.03 | 229 | 95 | 457 | 189 |
| 8 | 219.01 | 305 | 127 | 610 | 252 |
| 10 | 273.00 | 381 | 159 | 762 | 316 |
| 12 | 323.08 | 457 | 190 | 914 | 378 |
| 14 | 355.06 | 533 | 222 | 1067 | 441 |
| 16 | 406.04 | 610 | 254 | 1219 | 505 |
| 18 | 457.00 | 686 | 286 | 1372 | 568 |
| 20 | 508.00 | 762 | 318 | 1524 | 632 |
| 24 | 610.00 | 914 | 381 | 1829 | 757 |
| Nominal Pipe Size (NPS) | Small End OD (mm) | Large End OD (mm) | End-to-End Height (H) (mm) |
|---|---|---|---|
| 3/4" x 1/2" | 21.03 | 26.07 | 38 |
| 1" x 3/4" | 26.07 | 33.04 | 51 |
| 1¼" x 1" | 33.04 | 42.02 | 51 |
| 1½" x 1" | 33.04 | 48.03 | 64 |
| 2" x 1½" | 48.02 | 60.03 | 76 |
| 2½" x 2" | 60.03 | 73.00 | 89 |
| 3" x 2" | 60.03 | 88.09 | 89 |
| 4" x 3" | 88.09 | 114.03 | 102 |
| 5" x 4" | 114.03 | 141.03 | 127 |
| 6" x 4" | 114.03 | 168.03 | 140 |
| 8" x 6" | 168.03 | 219.01 | 152 |
| 10" x 8" | 219.01 | 273.01 | 178 |
| 12" x 10" | 273.01 | 323.09 | 203 |
| 14" x 12" | 323.09 | 355.06 | 330 |
| 16" x 14" | 355.06 | 406.04 | 356 |
| NPS (inches) | Center-to-End Run (C) (mm) | Center-to-End Outlet (M) (mm) | OD at Bevel (mm) |
|---|---|---|---|
| 1/2" | 25 | 25 | 21.3 |
| 3/4" | 29 | 29 | 26.7 |
| 1" | 38 | 38 | 33.4 |
| 1¼" | 48 | 48 | 42.2 |
| 1½" | 57 | 57 | 48.3 |
| 2" | 64 | 64 | 60.3 |
| 2½" | 76 | 76 | 73.0 |
| 3" | 86 | 86 | 88.9 |
| 4" | 105 | 105 | 114.3 |
| 6" | 143 | 143 | 168.3 |
| 8" | 178 | 178 | 219.1 |
| 10" | 216 | 216 | 273.0 |
| 12" | 254 | 254 | 323.8 |
| 16" | 305 | 305 | 406.4 |
| 20" | 381 | 381 | 508.0 |
| 24" | 432 | 432 | 610.0 |
| NPS (inches) | OD (mm) | Length H1 (mm) | Length H (mm) |
|---|---|---|---|
| 1/2" | 21.3 | 25 | 25 |
| 3/4" | 26.7 | 25 | 25 |
| 1" | 33.4 | 38 | 38 |
| 1½" | 48.3 | 38 | 38 |
| 2" | 60.3 | 44 | 38 |
| 3" | 88.9 | 64 | 51 |
| 4" | 114.3 | 76 | 64 |
| 6" | 168.3 | 102 | 89 |
| 8" | 219.1 | 127 | 102 |
| 10" | 273.0 | 152 | 127 |
| 12" | 323.8 | 178 | 152 |
| 16" | 406.4 | 203 | 178 |
| 20" | 508.0 | 254 | 229 |
| 24" | 610.0 | 305 | 267 |
| Temperature (°F) | Temperature (°C) | 150 LBS (psi) | 300 LBS: 1/4" to 1" (psi) | 300 LBS: 1¼" to 2" (psi) | 300 LBS: 2½" to 3" (psi) |
|---|---|---|---|---|---|
| -20 to 150 | -29 to 66 | 300 | 2000 | 1500 | 1000 |
| 200 | 93 | 265 | 1785 | 1350 | 910 |
| 300 | 149 | 185 | 1360 | 1050 | 735 |
| 400 | 204 | — | 935 | 750 | 560 |
| 500 | 260 | — | 510 | 450 | 385 |
| 550 | 288 | — | 300 | 300 | 300 |
| NPS (mm) | 40S 45° Elbow | 40S 90° Elbow | 40S Equal Tee | 80S 45° Elbow | 80S 90° Elbow | 80S Equal Tee |
|---|---|---|---|---|---|---|
| 15 | 0.04 | 0.08 | 0.10 | 0.05 | 0.10 | 0.14 |
| 20 | 0.04 | 0.08 | 0.17 | 0.05 | 0.11 | 0.20 |
| 25 | 0.11 | 0.15 | 0.29 | 0.14 | 0.22 | 0.38 |
| 40 | 0.23 | 0.40 | 0.86 | 0.29 | 0.51 | 1.02 |
| 50 | 0.40 | 0.70 | 1.28 | 0.59 | 0.91 | 1.59 |
| 80 | 1.08 | 2.20 | 3.31 | 1.50 | 2.97 | 4.45 |
| 100 | 2.09 | 4.47 | 5.27 | 2.81 | 6.18 | 7.71 |
| 150 | 5.44 | 10.89 | 10.99 | 8.16 | 16.32 | 13.61 |
| 200 | 10.77 | 21.54 | 20.91 | 16.56 | 33.11 | 28.12 |
| Type of Fitting | Size (NPS) | Price in INR (Per Piece) | Price in USD (Per Piece) |
|---|---|---|---|
| ASME B16.9 Elbow (90°) | 3/4" | INR 136 | USD 1.58 |
| ASME B16.9 Elbow (90°) | 1" | INR 225 | USD 2.61 |
| ASME B16.9 Elbow (90°) | 2" | INR 336 | USD 3.90 |
| ASME B16.9 Elbow (90°) | 3" | INR 365 | USD 4.23 |
| ASME B16.9 Elbow (90°) | 4" | INR 469 | USD 5.44 |
| ASME B16.9 Elbow (90°) | 6" | INR 750 | USD 8.70 |
| ASME B16.9 End Cap | 1/2" | INR 145 | USD 1.68 |
| ASME B16.9 End Cap | 1" | INR 298 | USD 3.46 |
| ASME B16.9 End Cap | 2" | INR 399 | USD 4.63 |
| ASME B16.9 Concentric Reducer | 3/4" x 1/2" | INR 128 | USD 1.48 |
| ASME B16.9 Concentric Reducer | 4" x 2" | INR 454 | USD 5.27 |
| ASME B16.9 Equal Tee | 1/2" | INR 102 | USD 1.18 |
| ASME B16.9 Equal Tee | 2" | INR 387 | USD 4.49 |
| ASME B16.9 Equal Tee | 4" | INR 550 | USD 6.38 |
Alloy steel pipe fittings are commonly used in different industries that demand high strength, high heat resistance, and the ability to withstand high-pressure and temperature conditions. The information about the different industries that use this material is listed below.
Applied in pipelines, refineries and offshore platforms with high pressure, temperature and corrosion resistance which are paramount to safe operations.
It’s commonly used in different units in different industries to handle chemicals, gases, and hydrocarbons due to its ability to resist corrosion and withstand harsh environments.
They are commonly used in boilers, heat exchangers, and steam pipelines where high-temperature strength and reliability are essential.
It is perfect when carrying acidic fluids and chemicals, where the service life and maintenance are minimal.
Applied in the refining process wherein fittings are required to be high pressure, hot and exposed to reactive substances.
They are easily applicable in high-temperature applications like steam lines and heat transfer systems, which are highly thermal stable and strong.
Alloy steel pipe fittings are components used to connect or change the direction of pipes, made from steel mixed with elements like chromium and molybdenum for extra strength and durability.
They are used in piping systems that handle high pressure, high temperature, and corrosive fluids, such as in oil & gas, power plants, and chemical industries.
Alloy steel fittings contain added elements (like chromium, molybdenum) for better strength and heat resistance, while carbon steel fittings mainly contain carbon and are less resistant to extreme conditions.
Common grades include ASTM A234 WP5, WP9, WP11, WP22, and WP91, each designed for different temperature and pressure conditions.
They can withstand high heat, pressure, and oxidation without losing strength, making them ideal for demanding environments.
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