In piping systems, elbows play a significant role in ensuring that the flow of fluids or gasses is directed in the right direction while preventing leaks and avoiding potential damage to the system. While countless elbow materials are available, Stainless Steel ASTM A403 WP 304 Elbow is one of the most sought-after options used across different applications. There are two primary types of stainless steel ASTM A403 WP 304 elbow: the standard or long-radius elbow and the short-radius elbow. The standard radius elbow features a curvature equivalent to the diameter of the pipe. It is perfect for applications where the required bend is less aggressive. On the other hand, the short-radius elbow offers a tighter bend radius. It is mainly utilized in applications with restricted space and needs a more aggressive bend.
Stainless Steel ASTM A403 WP 304L Elbow is commonly used in the food and beverage industry, pharmaceuticals, petroleum and gas, and chemical plants. As it is resistant to corrosion and high-temperature environments, it is perfect for applications that require resistance to extreme elements. Additionally, it is an excellent option where there is a need for sterile and hygienic conditions. For instance, in food and beverage processing, the elbow connects various piping system components, thus creating a seamless flow of materials between the different processing stages.
Stainless steel ASTM A403 WP 304L elbow is a versatile material that offers numerous benefits. First, it is incredibly durable, so it is an ideal option for environments that experience high corrosion rates. Secondly, it is suitable for high-temperature and high-pressure applications, making it suitable for chemical processing plants and refineries. Third, it is easy to maintain, requires minimal upkeep, and resists damage from frequent washing and cleaning, essential for maintaining a sterile environment.
To ensure that the stainless steel ASTM A403 WP 304L elbow works effectively, it is essential to follow a maintenance routine. First, they must inspect the fittings regularly and replace them if they detect any visible wear or tear. Secondly, ensure they use the right tools when installing the elbow and follow the manufacturer's instructions on the correct installation techniques. Thirdly, regularly clean the system to eliminate harmful bacteria or debris that may cause blockages. Stainless steel ASTM A403 WP 304 elbow is one of the most versatile materials.
Stainless steel 304 pipe fittings
A403 grade WP304 buttweld fittings
UNS S30400 fittings
Table of Content
| ASTM Standard | Ends of alloy 304 seamless fittings | Manufacturing technique |
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Bevelled | Hot forming |
| Size range | Surface treatment | A403 grade WP304 Elbow radius |
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| Production method | Connection | Testing reqirements |
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| Schedule | Bevel types | Marking |
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| UNS S30400 Elbow types | Additional services | Dimensional standard |
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| Our Stainless steel 304 pipe fittings meet the requirements of | Manufacturing process | Origin |
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| Price list of Stainless steel 304 pipe fittings | ASTM A403 WP304 fittings Price in USD | SS 304 fittings Price in UAE Dirham |
|---|---|---|
| SS304 SMS 90 DEG WELDED LONG ELBOW | US $9.65 per piece | 35.44 UAE Dirham per piece |
| SS304 3A LONG ELBOW, R=1.5D, 2 X 1.6MM | US $8.85 per piece | 32.50 UAE Dirham per piece |
ASTM A403 WP304 elbow
Alloy 304 seamless fittings
SA312 TP304 short radius elbow
SS 304 long radius elbow
ASTM A403 grade WP304 45 deg elbow
AISI 304 90 degree elbow
| Grade | Mn | Cr | C | Si | S | N | P | Mo | Ni |
| SS 304 | 2 max | 18 – 20 | 0.08 max | 0.75 max | 0.030 max | – | 0.045 max | – | 8 – 11 |
| Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| Psi – 30000 , MPa – 205 | Psi – 75000 , MPa – 515 | 35 % |
| STANDARD | AFNOR | WERKSTOFF NR. | UNS | GOST | BS | JIS | EN |
| SS 304 | Z7CN18‐09 | 1.4301 | S30400 | 08Х18Н10 | 304S31 | SUS 304 | X5CrNi18-10 |
| Elastic Modulus (GPa) | Electrical Resistivity (n.m) | Thermal Conductivity(W/m.K) | Specific Heat 0-1000C(J/kg.K) | Mean Coefficient of Thermal Expansion (m/m/0C) | |||
|---|---|---|---|---|---|---|---|
| at 1000C | at 5000C | 0-1000C | 0-3150C | 0-5380C | |||
| 193 | 720 | 16.2 | 21.5 | 500 | 17.2 | 17.8 | 18.4 |
| Elbow Size | Wall Thickness T | Pipe Elbow Outside Diameter Y |
90 Deg. Elbow SR Weight | 90 Deg. Elbow SR Centre to Face A | 45 Deg. Elbow LR Weight |
45 Deg. Elbow LR Centre to Face B | 90 Deg. Elbow LR Weight | 90 Deg. Elbow LR Centre to Face A | ||
| mm | in | mm | Schedule | mm | kg | mm | kg | mm | kg | mm |
| 15 | 1/2” | 2.78 | STD | 21.3 | – | – | 0.04 | 15.9 | 0.08 | 38.1 |
| 3.73 | X.S | – | – | 0.05 | 15.9 | 0.10 | 38.1 | |||
| 20 | 3/4” | 2.87 | STD | 26.7 | – | – | 0.04 | 11.1 | 0.08 | 28.6 |
| 3.91 | X.S | – | – | 0.05 | 11.1 | 0.11 | 28.6 | |||
| 25 | 1” | 3.38 | STD | 33.4 | 0.11 | 25.4 | 0.09 | 22.2 | 0.15 | 38.1 |
| 4.55 | X.S | 0.14 | 25.4 | 0.11 | 22.2 | 0.19 | 38.1 | |||
| 32 | 11/4” | 3.56 | STD | 42.2 | 0.18 | 31.75 | 0.14 | 25.4 | 0.28 | 47.6 |
| 4.85 | X.S | 0.24 | 31.75 | 0.2 | 25.4 | 0.39 | 47.6 | |||
| 40 | 11/2” | 3.68 | STD | 48.3 | 0.26 | 38.1 | 0.2 | 28.6 | 0.4 | 57.1 |
| 5.08 | X.S | 0.35 | 38.1 | 0.25 | 28.6 | 0.5 | 57.1 | |||
| 50 | 2” | 3.91 | STD | 60.3 | 0.5 | 50.8 | 0.36 | 34.9 | 0.72 | 76.2 |
| 5.54 | X.S | 0.68 | 50.8 | 0.5 | 34.9 | 1.0 | 76.2 | |||
| 65 | 21/2” | 5.16 | STD | 73.0 | 0.95 | 63.5 | 0.73 | 44.4 | 1.46 | 95.2 |
| 7.01 | X.S | 1.27 | 63.5 | 0.91 | 44.4 | 1.82 | 95.2 | |||
| 80 | 3” | 5.49 | STD | 88.9 | 1.45 | 76.2 | 1.1 | 50.8 | 2.18 | 114.3 |
| 7.62 | X.S | 1.95 | 76.2 | 1.45 | 50.8 | 2.86 | 114.3 | |||
| 100 | 4” | 6.02 | STD | 114.3 | 2.8 | 101.6 | 2.1 | 63.5 | 4.2 | 152.4 |
| 8.56 | X.S | 3.9 | 101.6 | 2.9 | 63.5 | 5.7 | 152.4 | |||
| 125 | 5” | 6.65 | STD | 141.3 | 4.8 | 127.0 | 3.4 | 79.4 | 6.8 | 190.0 |
| 9.5 | X.S | 6.5 | 127.0 | 5.0 | 79.4 | 10.0 | 190.0 | |||
| 150 | 6” | 7.11 | STD | 168.3 | 6.8 | 152.4 | 5.1 | 95.2 | 10.1 | 229.0 |
| 10.97 | X.S | 10.2 | 152.4 | 7.7 | 95.2 | 15.3 | 229.0 | |||
| 200 | 8” | 8.18 | STD | 219.1 | 13.6 | 203.0 | 10.2 | 127.0 | 20.4 | 305.0 |
| 12.7 | X.S | 20.9 | 203.0 | 15.5 | 127.0 | 30.9 | 305.0 | |||
| 250 | 10” | 9.27 | STD | 273.9 | 24.1 | 254.0 | 18.1 | 159.0 | 36.1 | 381.0 |
| 12.7 | X.S | 32.5 | 254.0 | 24.4 | 159.0 | 48.8 | 381.0 | |||
| 300 | 12” | 9.52 | STD | 323.9 | 35.4 | 305.0 | 26.6 | 190.0 | 53.1 | 457.0 |
| 12.7 | X.S | 46.7 | 305.0 | 35.0 | 190.0 | 70.0 | 457.0 | |||
| 350 | 14” | 9.52 | STD | 355.6 | 45.4 | 356.0 | 34.1 | 222.0 | 68.1 | 533.0 |
| 12.7 | X.S | 60.0 | 356.0 | 45.0 | 222.0 | 90.0 | 533.0 | |||
| 400 | 16” | 9.52 | STD | 406.4 | 59.5 | 406.0 | 45.0 | 254.0 | 89.3 | 610.0 |
| 12.7 | X.S | 78.7 | 406.0 | 59.0 | 254.0 | 118.0 | 610.0 | |||
| 450 | 18” | 9.52 | STD | 457.0 | 75.6 | 457.0 | 56.5 | 286.0 | 113.0 | 686.0 |
| 12.7 | X.S | 100.0 | 457.0 | 75.0 | 286.0 | 150.0 | 686.0 | |||
| 500 | 20” | 9.52 | STD | 508.0 | 93.5 | 508.0 | 85.0 | 318.0 | 140.0 | 762.0 |
| 12.7 | X.S | 124.0 | 508.0 | 112.5 | 318.0 | 186.0 | 762.0 | |||
| 600 | 24” | 9.52 | STD | 610.00 | 135.0 | 610.0 | 101.5 | 381.0 | 203.0 | 914.0 |
| 12.7 | X.S | 179.0 | 610.0 | 134.5 | 381.0 | 269.0 | 914.0 | |||
| NPS | KG | LBS |
| 1/2 | 0.08 | 0.18 |
| 3/4 | 0.09 | 0.19 |
| 1 | 0.18 | 0.4 |
| 1.1/4 | 0.27 | 0.6 |
| 1.1/2 | 0.41 | 0.9 |
| 2 | 0.73 | 1.6 |
| 2.1/2 | 1.47 | 3.25 |
| 3 | 2.27 | 5 |
| 3.1/2 | 3.06 | 6.75 |
| 4 | 4.08 | 9 |
| 5 | 6.8 | 15 |
| 6 | 11.11 | 24.5 |
| 8 | 22.68 | 50 |
| 10 | 39.92 | 88 |
| 12 | 56.7 | 125 |
| 14 | 72.57 | 160 |
| 16 | 93.44 | 206 |
| 18 | 117.93 | 260 |
| 20 | 145.15 | 320 |
| 22 | 178.72 | 394 |
| 24 | 208.65 | 460 |
| 26 | 249.48 | 550 |
| 30 | 332.94 | 734 |
| 36 | 481.72 | 1062 |