Buttweld Fitting ASTM A403 WPS31254 254SMO 90 Deg LR Elbow B16.9
What material is WPS31254?
This material is a superaustenitic stainless steel. Its corrosion resistance is higher than the duplex grades because its alloy content is higher. It has a high PREN (pitting resistance equivalency number) for superior resistance to chloride pitting and stress corrosion cracking.
SMO 254 Pipe Fittings covers the standard for wrought austenitic stainless steel fittings for pressure piping applications. The material for fittings shall consist of forgings, bars, plates, or seamless or welded tubular products. Forging or shaping operations shall be performed by hammering, pressing, piercing, extruding, upsetting, rolling, bending, fusion welding, machining, or by a combination of two or more of these operations. All fittings shall undergo heat-treatment.
The alloy which we are using is suitable for use in any crucial applications and processing industries, and many more. We are manufacturing these 254 SMO Pipe Fittings by using the superior quality of grade material. It can be applied smoothly, even in robust industrial applications. Our professionals are always making use of the latest technology and modern tools for the fabrication of excellent quality of SMO pipe fittings.
WPS31254 Chemical Composition
| Grade | C | Ni | Si | N | S | Mn | P | Cr | Ce | Fe |
| SS 254 SMO | min. | - | 17.5 | - | 0.18 | - | - | - | 19.5 | 0.03 | Balance |
| max. | 0.02 | 18.5 | 0.08 | 0.22 | 0.01 | 1.00 | 0.03 | 20.5 | 0.08 |
WPS31254 Equivalent Grades
| STANDARD | UNS | WERKSTOFF NR. | EN |
| 254 SMO | S31254 | 1.4547 | X1CrNiMoCuN20-18-7 |
ASTM A403 WPS31254 Fitting Mechanical Properties
| Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness |
| Rockwell B (HR B) max | Brinell (HB) max |
| 254 SMO | 650 | 35 | 300 | 50 | 70 |
Mechanical Properties of ASTM A403 WPS31254 Buttwelded Fittings
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm³ | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
ASTM A403 Stainless Steel Elbows and Returns Size Chart
Nominal
Pipe
Size | Outside
Diameter | 90° Elbows | 45° Elbows | 180° Returns |
| (inches) | | Long Radius | Short Radius | Long Radius | Long Radius |
| | (mm) | (inches) | Center to Face
(inches) | Center to Face
(inches) | Center to Face
(inches) | Radius
(inches) | Center to Center
(inches) | Back to face
(inches) |
| 1/2 | 21.3 | 0.840 | 1 1/2 | – | 5/8 | | 2 | 1 7/8 |
| 3/4 | 26.7 | 1.050 | 1 1/8 | – | 7/16 | | 2 1/4 | 1 11/16 |
| 1 | 33.4 | 1.315 | 1 1/2 | 1 | 7/8 | | 3 | 2 3/16 |
| 1 1/4 | 42.2 | 1.660 | 1 7/8 | 1 1/4 | 1 | | 3 3/4 | 2 3/4 |
| 1 1/2 | 48.3 | 1.900 | 2 1/4 | 1 1/2 | 1 1/8 | 3 | 4 1/2 | 3 1/4 |
| 2 | 60.3 | 2.375 | 3 | 2 | 1 3/8 | 4 | 6 | 4 3/16 |
| 2 1/2 | 73.0 | 2.875 | 3 3/4 | 2 1/2 | 1 3/4 | 5 | 7 1/2 | 5 3/16 |
| 3 | 88.9 | 3.500 | 4 1/2 | 3 | 2 | 6 | 9 | 6 1/4 |
| 3 1/2 | 101.6 | 4.000 | 5 1/4 | 3 1/2 | 2 1/4 | 7 | 10 1/2 | 7 1/4 |
| 4 | 114.3 | 4.500 | 6 | 4 | 2 1/2 | 8 | 12 | 8 1/4 |
| 5 | 141.3 | 5.563 | 7 1/2 | 5 | 3 1/8 | 10 | 15 | 10 5/16 |
| 6 | 168.3 | 6.625 | 9 | 6 | 3 3/4 | 12 | 18 | 12 5/16 |
| 8 | 219.1 | 8.625 | 12 | 8 | 5 | 12 | 24 | 16 5/16 |
| 10 | 273.1 | 10.750 | 15 | 10 | 6 1/4 | 15 | 30 | 20 3/8 |
| 12 | 323.9 | 12.750 | 18 | 12 | 7 1/2 | 18 | 36 | 24 3/8 |
Application:
-Industrial Boilers
-Power Plants
-Nuclear Plants
-Oil & Gas Industry
-Refineries
-Ship Building
-Heat Exchangers
-Condensers
-Paper & Pulp
-Marine Applications
-Nuclear Power
-Fossil Fuel Power Plants
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Buttweld Fitting ASTM A403 WPS31254 254SMO 90 Deg LR Elbow B16.9 Images
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