Omaa Metal Sources is ASME B16.5 ASTM A182 Stainless Steel 304 / 304L Flanges Exporters and Suppliers in the US, UK, South Africa, Saudi Arabia, Singapore, UAE, Oman, South Korea, Turkey, Bahrain, Malaysia, Philippines, Thailand, Norway, Indonesia, Iraq, Yemen, Bangladesh, Nigeria, Egypt, Peru, Ghana, Morocco, Etc.
ASME / ANSI B16.5 SS 304/304L Flanges Manufacturer, UNS S30400 Weld Neck Flange, UNS S30403 Slip-on Flange, WNR 1.4301 Lap Joint Flange, WNR 1.4306 / 1.4307 Blind Flange
SS 304 and SS 304L are both austenitic stainless steel grades that are widely used in various applications, including the production of flanges.
The main difference between SS 304 and SS 304L is the carbon content. SS 304L has a lower carbon content than SS 304, which makes it more suitable for welding and reduces the risk of carbide precipitation during welding.
Flanges are used to connect pipes, valves, pumps, and other equipment in various industries. They come in different shapes and sizes, including slip-on flanges, weld-neck flanges, threaded flanges, and blind flanges.
When selecting flanges made from SS 304 or SS 304L, it is essential to consider the specific requirements of the application, such as temperature, pressure, and corrosion resistance. In general, both SS 304 and SS 304L are suitable for most applications involving water, chemicals, and gases at ambient temperatures. However, for more demanding applications, higher-grade stainless steel alloys may be required.
ASTM A182 Stainless Steel 304 RTJ Flange, PN10 PN16 Stainless Steel 304L Threaded Flange, Table D & Table E F304 Spectacle Blind Flange, ANSI 150 F304L Socket Weld Flange at the Lowest Prices
Q: What is the difference between 304 and 304L?
A: The main difference between 304 and 304L stainless steel lies in their carbon content. Grade 304 contains a maximum of 0.08% carbon, while grade 304L has a maximum of 0.03% carbon. This lower carbon content in 304L helps reduce the risk of sensitization, a condition that can occur when stainless steel is subjected to high temperatures, such as during welding or heat treatment.
Q: What is the rating of a 304L flange?
A: The rating of a 304L flange refers to its pressure-temperature rating, which indicates the maximum pressure and temperature at which the flange can safely operate. The rating for a 304L flange can vary depending on the design standards and specifications it meets. Common ratings for 304L flanges include ANSI/ASME Class 150, 300, and 600, which correspond to different pressure and temperature ranges.
Q: What is stainless steel 304 flanges?
A: Stainless steel 304 flanges are components used in piping systems to connect pipes, valves, and other equipment. They are made from grade 304 stainless steel, which is a versatile and widely used austenitic stainless steel alloy. 304 stainless steel offers excellent corrosion resistance, good formability, and high strength, making it suitable for various industrial applications.
Q: What is grade 304L stainless steel?
A: Grade 304L stainless steel is a low-carbon variation of the popular 304 stainless steel alloy. It contains less carbon content (maximum of 0.03%) compared to grade 304 (maximum of 0.08%). This reduced carbon content helps minimize the risk of sensitization and subsequent corrosion that can occur in high-temperature environments. Grade 304L is often preferred for applications involving welding or exposure to elevated temperatures.
Please note that the specific details and ratings may vary depending on the manufacturer, industry standards, and specific application requirements.
Stainless Steel 304/304L Flange Specifications
Size Range
1/2″ (15 NB) to 48″ (1200NB)
Class / Pressure Rating
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Standards / Dimensions
ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO 70051, JIS B2220, BS1560-3.1, API7S-15, API7S-43, API605
Connection Type
Ring Joint Flange (RTJ), Flat Face Flange (FF), Raised Face Flange (RF), Male and Female Flange (M & F), Lap Joint Flange, Large and Small Tongue-and-Groove Flange (T & G)
Material Standards
ASTM A182 / ASME SA182
ASTM A182 Stainless Steel 304/304L Flanges Equivalent Grade
| STANDARD | DIN | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 3304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
ASTM A182 SS Grade F304/304L Flanges Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
|---|---|---|---|---|---|---|---|---|---|
| SS 304 | min. | – | – | – | – | – | 18.0 | – | 8.0 |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | – | 10.5 | |
| SS 304L | min. | – | – | – | – | – | 18.0 | – | 8.0 |
| max. | 0.030 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | – | 12.0 |
SS UNS S30400/ S30403 Flanges Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|---|
| SS 304/304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Find the largest ready stock of WERKSTOFF NR. 1.4301 Flange, JIS SUS 304 Flanges Flat Face, BS 304S31 Flange, GOST 08Х18Н10 Flange, AFNOR Z7CN18‐09 WNRF Flange, EN X5CrNi18-10 Flange, Class 300#, 600#, 900#, 1500#, 2500# Stainless Steel 304/304L Flanges, ASTM A182 F304 Stub End Flanges, Steel 304 Tongue & Groove Flanges, 304L SS RTJ Flanges, SS 1.4306 BLRF Flanges, ANSI 150, Table D & Table E Stainless Steel 304/304L Flange, Series A & B SS 304 Grooved Flange, ASTM A182 F304 Lap Joint Flange, SS 304/304L Orifice Flange, PN10 PN16 Stainless Steel 304 Slip On Flange, Stainless Steel 304/304L Threaded Flange in Mumbai, India.
ASME B16.5 Stainless Steel 304/304L Flanges Dimensions
ASTM A182 Stainless Steel 304/304L Flanges Dimensions
| NPS | O.D. of Flange | Flanges Thickness | Diameter of RF | Diameter of Hub at Base | Lengtd Tdru Hub | Bore or Diameter | Dia. of Hub at Bevel | Radius of Fillet | Deptd of Socket | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Welding (WN) Neck | Slip-On (SORF) Threaded (NPT) Socket (SWRF) | Lap Joint (Loose) | Slip-on (SORF) Socket (SWRF) | Lap Joint (Loose) | ||||||||
| O | Q | R | X | Y | Y | Y | W | B | H | r | Z | |
| 1/2 | 3-1/2 | 7/16 | 1-3/8 | 1-3/16 | 1-7/8 | 5/8 | 5/8 | .88 | .90 | .84 | 1/8 | 3/8 |
| 3/4 | 3-7/8 | 1/2 | 1-11/16 | 1-1/2 | 2-1/16 | 5/8 | 5/8 | 1.09 | 1.11 | 1.05 | 1/8 | 7/16 |
| 1 | 4-1/4 | 9/16 | 2 | 1-15/16 | 2-3/16 | 11/16 | 11/16 | 1.36 | 1.38 | 1.32 | 1/8 | 1/2 |
| 1-1/4 | 4-5/8 | 5/8 | 2-1/2 | 2-5/16 | 2-1/4 | 13/16 | 13/16 | 1.70 | 1.72 | 1.66 | 3/16 | 9/16 |
| 1-1/2 | 5 | 11/16 | 2-7/8 | 2-9/16 | 2-7/16 | 7/8 | 7/8 | 1.95 | 1.97 | 1.90 | 1/4 | 5/8 |
| 2 | 6 | 3/4 | 3-5/8 | 3-1/16 | 2-1/2 | 1 | 1 | 2.44 | 2.46 | 2.38 | 5/16 | 11/16 |
| 2-1/2 | 7 | 7/8 | 4-1/8 | 3-9/16 | 2-3/4 | 1-1/8 | 1-1/8 | 2.94 | 2.97 | 2.88 | 5/16 | 3/4 |
| 3 | 7-1/2 | 15/16 | 5 | 4-1/4 | 2-3/4 | 1-3/16 | 1-3/16 | 3.57 | 3.60 | 3.50 | 3/8 | 13/16 |
| 3-1/2 | 8-1/2 | 15/16 | 5-1/2 | 4-13/16 | 2-13/16 | 1-1/4 | 1-1/4 | 4.07 | 4.10 | 4.00 | 3/8 | 7/8 |
| 4 | 9 | 15/16 | 6-3/16 | 5-5/16 | 3 | 1-5/16 | 1-5/16 | 4.57 | 4.60 | 4.50 | 7/16 | 15/16 |
| 5 | 10 | 15/16 | 7.5/16 | 6-7/16 | 3-1/2 | 1-7/16 | 1-7/16 | 5.66 | 5.69 | 5.56 | 7/16 | 15/16 |
| 6 | 11 | 1 | 8-1/2 | 7-9/16 | 3-1/2 | 1-9/16 | 1-9/16 | 6.72 | 6.75 | 6.63 | 1/2 | 1-1/16 |
| 8 | 13-1/2 | 1-1/8 | 10-5/8 | 9-11/16 | 4 | 1-3/4 | 1-3/4 | 8.72 | 8.75 | 8.63 | 1/2 | 1-1/4 |
| 10 | 16 | 1-3/16 | 12-3/4 | 12 | 4 | 1-15/16 | 1-15/16 | 10.88 | 10.92 | 10.75 | 1/2 | 1-5/16 |
| 12 | 19 | 1-1/4 | 15 | 14-3/8 | 4-1/2 | 2-3/16 | 2-3/16 | 12.88 | 12.92 | 12.75 | 1/2 | 1-9/16 |
| 14 | 21 | 1-3/8 | 16-1/4 | 15-3/4 | 5 | 2-1/4 | 3-1/8 | 14.14 | 14.18 | 14.00 | 1/2 | 1-5/8 |
| 16 | 23-1/2 | 1-7/16 | 18-1/2 | 18 | 5 | 2-1/2 | 3-7/16 | 16.16 | 16.19 | 16.00 | 1/2 | 1-3/4 |
| 18 | 25 | 1-9/16 | 21 | 19-7/8 | 5-1/2 | 2-11/16 | 3-13/16 | 18.18 | 18.20 | 18.00 | 1/2 | 1-15/16 |
| 20 | 27-1/2 | 1-11/16 | 23 | 22 | 5-11/16 | 2-7/8 | 4-1/16 | 20.20 | 20.25 | 20.00 | 1/2 | 2-1/8 |
| 24 | 32 | 1-7/8 | 27-1/4 | 26-1/8 | 6 | 3-1/4 | 4-3/8 | 24.25 | 24.25 | 24.00 | 1/2 | 2-1/2 |
Class 150 SS Grade F304/304L Flanges Weight Chart
| ASTM A182 Stainless Steel 304/304L Pipe Flanges Class 150 | ||||||
|---|---|---|---|---|---|---|
| NOMINAL SIZE | DIMENSIONS | WEIGHT (KG) | ||||
| NPS (Inches) | DN (mm) | FLANGE MM | FLANGE THICKNESS | SOW SW | WN | BLIND |
| 1/2 | 15 | 88.9 | 11.2 | 0.4 | 0.5 | 0.4 |
| 3/4 | 20 | 98.6 | 12.7 | 0.6 | 0.7 | 0.6 |
| 1 | 25 | 108 | 14.2 | 0.8 | 1 | 0.9 |
| 1 1/4 | 32 | 117.3 | 15.7 | 1 | 1.3 | 1.2 |
| 1 1/2 | 40 | 127 | 17.5 | 1.3 | 1.7 | 1.5 |
| 2 | 50 | 152.4 | 19.1 | 2.1 | 2.6 | 2.4 |
| 2 1/2 | 65 | 177.8 | 22.4 | 3.3 | 4.1 | 3.9 |
| 3 | 80 | 190.5 | 23.9 | 3.9 | 4.9 | 4.9 |
| 3 1/2 | 90 | 215.9 | 23.9 | 4.8 | 6.1 | 6.2 |
| 4 | 100 | 228.6 | 23.9 | 5.3 | 6.8 | 7.0 |
| 5 | 125 | 254 | 23.9 | 6.1 | 8.6 | 8.6 |
| 6 | 150 | 279.4 | 25.4 | 7.5 | 10.6 | 11.3 |
| 8 | 200 | 342.9 | 28.4 | 12.1 | 17.6 | 19.6 |
| 10 | 250 | 406.4 | 30.2 | 16.5 | 24 | 28.6 |
| 12 | 300 | 482.6 | 31.8 | 26.2 | 36.5 | 43.2 |
| 14 | 350 | 533.4 | 35.1 | 34.6 | 48.4 | 58.1 |
| 16 | 400 | 596.9 | 36.6 | 44.8 | 60.6 | 76.1 |
| 18 | 450 | 635 | 39.6 | 48.9 | 68.3 | 93.7 |
| 20 | 500 | 698.5 | 42.9 | 61.9 | 84.5 | 122.0 |
| 24 | 600 | 812.8 | 47.8 | 86.9 | 115 | 185.0 |
Class 300 Stainless Steel 304/304L Flanges Weight Chart
| ASTM A182 Stainless Steel 304/304L Pipe Flanges Class 300 | ||||||
|---|---|---|---|---|---|---|
| NOMINAL SIZE | DIMENSIONS | WEIGHT (KG) | ||||
| NPS (Inches) |
DN (mm) | FLANGE OD A MM |
FLANGE THICKNESS D MM |
SOW SW |
WN | BLIND |
| 1/2 | 15 | 95.3 | 14.2 | 0.6 | 0.8 | 0.6 |
| 3/4 | 20 | 117.3 | 15.7 | 1.1 | 1.3 | 1.1 |
| 1 | 25 | 124 | 17.5 | 1.4 | 1.5 | 1.4 |
| 1 1/4 | 32 | 133.4 | 19.1 | 1.7 | 2.0 | 1.8 |
| 1 1/2 | 40 | 155.5 | 20.6 | 2.5 | 2.9 | 2.7 |
| 2 | 50 | 165.1 | 22.4 | 2.9 | 3.4 | 3.2 |
| 2 1/2 | 65 | 190.5 | 25.4 | 4.3 | 5.2 | 4.9 |
| 3 | 80 | 215.9 | 28.4 | 5.9 | 6.9 | 6.8 |
| 3 1/2 | 90 | 228.6 | 30.2 | 7.3 | 8.7 | 8.7 |
| 4 | 100 | 254 | 31.8 | 9.6 | 11.2 | 11.5 |
| 5 | 125 | 279.4 | 35.1 | 12.3 | 15.1 | 15.6 |
| 6 | 150 | 317.5 | 36.6 | 15.6 | 19.1 | 20.9 |
| 8 | 200 | 381 | 41.1 | 24.2 | 29.9 | 34.3 |
| 10 | 250 | 444.5 | 47.6 | 34.1 | 42.7 | 53.3 |
| 12 | 300 | 520.7 | 50.8 | 49.8 | 61.8 | 78.8 |
| 14 | 350 | 584.2 | 53.8 | 69.9 | 85.8 | 105.0 |
| 16 | 400 | 647.7 | 57.2 | 88.1 | 106.0 | 137.0 |
| 18 | 450 | 711.2 | 60.5 | 109.0 | 131.0 | 175.0 |
| 20 | 500 | 774.7 | 63.5 | 134.0 | 158.0 | 221.0 |
| 24 | 600 | 914.4 | 70.0 | 201.0 | 230.0 | 339.0 |
Class 600 Stainless Steel 304/304L Flanges Weight Chart
| ASTM A182 Stainless Steel 304/304L Pipe Flanges Class 600 | ||||||
|---|---|---|---|---|---|---|
| NOMINAL SIZE | DIMENSIONS | WEIGHT (KG) | ||||
| NPS (Inches) |
DN (mm) | FLANGE OD A MM |
FLANGE THICKNESS D MM |
SOW SW |
WN | BLIND |
| 1/2 | 15 | 95.3 | 14.2 | 0.7 | 0.9 | 0.8 |
| 3/4 | 20 | 117.3 | 15.7 | 1.3 | 1.5 | 1.3 |
| 1 | 25 | 124.0 | 17.5 | 1.5 | 1.8 | 1.6 |
| 1 1/4 | 32 | 133.4 | 20.6 | 2 | 2.5 | 2.2 |
| 1 1/2 | 40 | 155.4 | 22.4 | 3 | 3.5 | 3.3 |
| 2 | 50 | 165.1 | 25.4 | 3.6 | 4.4 | 4.2 |
| 2 1/2 | 65 | 190.5 | 28.4 | 5.3 | 6.4 | 6.1 |
| 3 | 80 | 209.6 | 31.8 | 7 | 8.5 | 8.4 |
| 3 1/2 | 90 | 228.6 | 35.1 | 8.8 | 10.7 | 11 |
| 4 | 100 | 273.1 | 38.1 | 14.5 | 17.4 | 17.3 |
| 5 | 125 | 330.2 | 44.5 | 24.4 | 29.2 | 29.4 |
| 6 | 150 | 355.6 | 47.8 | 28.7 | 34.9 | 36.1 |
| 8 | 200 | 419.1 | 55.6 | 43.4 | 53.9 | 58.9 |
| 10 | 250 | 508 | 63.5 | 70.3 | 86.5 | 97.5 |
| 12 | 300 | 558.8 | 66.5 | 84.2 | 103.0 | 124 |
| 14 | 350 | 603.3 | 69.9 | 98.7 | 122.0 | 151 |
| 16 | 400 | 685.8 | 76.2 | 142.0 | 170.0 | 214 |
| 18 | 450 | 743 | 82.6 | 173.0 | 204.0 | 272 |
| 20 | 500 | 812.8 | 88.9 | 220.0 | 254.0 | 349.0 |
| 24 | 600 | 939.8 | 101.6 | 312.0 | 358.0 | 533.0 |
Class 900 Stainless Steel 304/304L Flanges Weight Chart
| ASTM A182 Stainless Steel 304/304L Pipe Flanges Class 900 | ||||||
|---|---|---|---|---|---|---|
| NOMINAL SIZE | DIMENSIONS | WEIGHT (KG) | ||||
| NPS (Inches) |
DN (mm) | FLANGE OD A MM |
FLANGE THICKNESS D MM |
SOW SW |
WN | BLIND |
| 1/2 | 15 | 120.7 | 22.4 | 1.8 | 1.9 | 1.8 |
| 3/4 | 20 | 130 | 25.4 | 2.4 | 2.6 | 2.4 |
| 1 | 25 | 149.4 | 28.4 | 3.6 | 3.7 | 3.6 |
| 1 1/4 | 32 | 158.8 | 28.4 | 4 | 4.3 | 4.1 |
| 1 1/2 | 40 | 177.8 | 31.8 | 5.5 | 5.9 | 5.8 |
| 2 | 50 | 215.9 | 38.1 | 10.2 | 10.8 | 10 |
| 2 1/2 | 65 | 244.3 | 41.1 | 13.9 | 15 | 14 |
| 3 | 80 | 241.3 | 38.1 | 11.6 | 13.7 | 13.1 |
| 4 | 100 | 292.1 | 44.5 | 19.7 | 22.5 | 26.9 |
| 5 | 125 | 349.3 | 50.8 | 31.9 | 37.4 | 36.5 |
| 6 | 150 | 381 | 55.6 | 41.1 | 47.7 | 47.4 |
| 8 | 200 | 469.9 | 63.5 | 70.7 | 81.3 | 82.5 |
| 10 | 250 | 546.1 | 69.9 | 101.0 | 119 | 122.0 |
| 12 | 300 | 609.6 | 79.2 | 133.0 | 157.0 | 173.0 |
| 14 | 350 | 641.4 | 85.6 | 153.0 | 180.0 | 206.0 |
| 16 | 400 | 704.9 | 88.9 | 185.0 | 217.0 | 259.0 |
| 18 | 450 | 787.4 | 101.6 | 258.0 | 292.0 | 367.0 |
| 20 | 500 | 857.3 | 108.0 | 317.0 | 362.0 | 463.0 |
| 24 | 600 | 1041.4 | 139.7 | 606.0 | 665.0 | 876.0 |
Class 1500 Stainless Steel 304/304L Flanges Weight Chart
| ASTM A182 Stainless Steel 304/304L Pipe Flanges Class 1500 | ||||||
|---|---|---|---|---|---|---|
| NOMINAL SIZE | DIMENSIONS | WEIGHT (KG) | ||||
| NPS (Inches) |
DN (mm) | FLANGE OD A MM |
FLANGE THICKNESS D MM |
SOW SW |
WN | BLIND |
| 1/2 | 15 | 120.7 | 22.4 | 1.8 | 1.9 | 1.8 |
| 3/4 | 20 | 130 | 25.4 | 2.4 | 2.6 | 2.4 |
| 1 | 25 | 149.4 | 28.4 | 3.6 | 3.7 | 3.6 |
| 1 1/4 | 32 | 158.8 | 28.4 | 4 | 4.3 | 4.1 |
| 1 1/2 | 40 | 177.8 | 31.8 | 5.5 | 5.9 | 5.8 |
| 2 | 50 | 215.9 | 38.1 | 10.2 | 10.8 | 10.1 |
| 2 1/2 | 65 | 244.3 | 41.1 | 13.9 | 15 | 14 |
| 3 | 80 | 266.7 | 47.8 | 19.9 | 19.1 | |
| 4 | 100 | 311.2 | 53.8 | 29.9 | 29.9 | |
| 5 | 125 | 374.7 | 73.2 | 55.4 | 58.4 | |
| 6 | 150 | 393.7 | 82.6 | 68.4 | 71.8 | |
| 8 | 200 | 482.6 | 91.9 | 117 | 122 | |
| 10 | 250 | 584.2 | 108 | 194.0 | 210.0 | |
| 12 | 300 | 673.1 | 124 | 288.0 | 316.0 | |
| 14 | 350 | 749.3 | 133.4 | 380.0 | 420 | |
| 16 | 400 | 825.5 | 146.1 | 485.0 | 558.0 | |
| 18 | 450 | 914.4 | 162.1 | 644.0 | 760.0 | |
| 20 | 500 | 984.3 | 177.8 | 775.0 | 965.0 | |
| 24 | 600 | 1168.4 | 203.2 | 1232.0 | 1558.0 | |
Class 2500 Stainless Steel 304/304L Flanges Weight Chart
| ASTM A182 Stainless Steel 304/304L Pipe Flanges Class 2500 | ||||||
|---|---|---|---|---|---|---|
| NOMINAL SIZE | DIMENSIONS | WEIGHT (KG) | ||||
| NPS (Inches) |
DN (mm) | FLANGE OD A MM |
FLANGE THICKNESS D MM |
WN | BLIND | |
| 1/2 | 15 | 133.4 | 30.2 | 3.1 | 3.0 | |
| 3/4 | 20 | 139.7 | 31.8 | 3.7 | 3.5 | |
| 1 | 25 | 158.8 | 35.1 | 5.2 | 5.0 | |
| 1 1/4 | 32 | 184.2 | 38.1 | 7.7 | 7.4 | |
| 1 1/2 | 40 | 203.2 | 44.5 | 10.9 | 10.4 | |
| 2 | 50 | 235 | 50.8 | 16.2 | 15.6 | |
| 2 1/2 | 65 | 266.7 | 57.2 | 23.7 | 22.6 | |
| 3 | 80 | 304.8 | 66.5 | 36.2 | 34.8 | |
| 4 | 100 | 355.6 | 76.2 | 55.3 | 53.9 | |
| 5 | 125 | 419.1 | 91.9 | 92.5 | 90.8 | |
| 6 | 150 | 482.6 | 108 | 143.0 | 141 | |
| 8 | 200 | 552.5 | 127 | 215.0 | 214 | |
| 10 | 250 | 673.1 | 165.1 | 406.0 | 411.0 | |
| 12 | 300 | 762 | 184.2 | 572.0 | 592.0 | |
Stainless Steel 304 / 304L Flanges Schedule / Class
| Flange Schedule/Class | Pipe Size – Pipe Flanges | Flange Connection Type | Flange Material | Max. Pressure |
|---|---|---|---|---|
| ASME B16.5 Class 150 | 1/2″ | FNPT | Stainless Steel 304 / 304L Flanges | 150 psi |
| ASME B16.5 Class 150 | 1/2″ | Socket Weld | 275 psi | |
| ASME B16.5 Class 150 | 1/2″ | Welded | 150 psi | |
| ASME B16.5 Class 150 | 3/4″ | FNPT | 150 psi | |
| ASME B16.5 Class 150 | 3/4″ | Socket Weld | 275 psi | |
| ASME B16.5 Class 150 | 1-1/4″ | Socket Weld | 275 psi | |
| ASME B16.5 Class 150 | 1-1/2″ | Socket Weld | 275 psi | |
| ASME B16.5 Class 150 | 2″ | FNPT | 150 psi | |
| ASME B16.5 Class 150 | 2″ | Socket Weld | 275 psi | |
| ASME B16.5 Class 150 | 2-1/2″ | Socket Weld | 275 psi | |
| ASME B16.5 Class 150 | 3″ | Socket Weld | 275 psi | |
| ASME B16.5 Class 150 | 4″ | FNPT | 150 psi | |
| ASME B16.5 Class 150 | 4″ | Socket Weld | 275 psi | |
| ASME B16.5 Class 300 | 1/2″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 1/2″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 1″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 1″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 1-1/4″ | FNPT | 720 psi | |
| ASME B16.5 Class 300 | 1-1/4″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 1-1/2″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 1-1/2″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 2″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 2″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 2-1/2″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 2-1/2″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 3″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 3″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 4″ | Slip On | 720 psi | |
| ASME B16.5 Class 300 | 4″ | Slip On | 720 psi |
Stainless Steel 304 / 304L Flanges Standard
| American Steel Flanges Standard | |
| Standard Code | Standard Name |
| ANSI ASME SA-182 | Forged Flanges |
| ANSI ASME B16.5 | Slip on flange, Welding neck flange, Blind flange, Threaded flange, Lap joint flange, RTJ flange |
| ASME – B 16.47 | Welding neck flange, Blind flange |
| ASME – B 16.36 | Welding neck flange Slip on flange |
| German Steel Flanges Standard | |
| DIN 2527 | Steel Blind Flanges, BLRF |
| DIN 2573 / 2576 | Flat Flange for Welding (Slip On) |
| DIN 2673 | Loose Flanges and Rings for Welding (Slip On Flanges and Plain Collars) |
| DIN 2641 / 2642 | Lapped / Loose (Lap Joint) Flanges Plain Collars |
| DIN 28115 | Long Neck Welding Flanges |
| DIN PN10, PN16 | SS 304 PN10 Flanges, 304L SS DIN PN 10 Flanges, 304 SS PN16 Flange |
| DIN PN20, PN25 | SS 304 PN20 Flanges, 304L SS DIN PN 25 Flanges |
| DIN PN40, PN50 | SS 304 PN40 Flanges, 304L SS DIN PN 50 Flanges |
| Japanese Steel Flanges Standard | |
| JIS B2220 | Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL) |
| JIS B2291 | Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL) |
| JIS 5K, 10K | SS 304 5K SORF Flanges, 304L SS 10K SOFF Flanges |
| JIS 16K, 20K | SS 304 16K Blind Flanges, 304L SS 20K BLRF Flanges |
| JIS 30K, 40K | SS 304 30K Slip on Flanges, 304L SS 40K Blind Flanges |
| Italian Flanges Standard | |
| UNI FLANGES | Plan flanges (2276, 2277, 2278, 6083, 6084) Welding neck (2280, 2281, 2282, 2283, 2284, 2285, 2286) Lapped flanges (6088, 6089, 6090, 2999, 2300) Blind flanges (6091, 6092, 6093, 6094, 6095, 6096, 6097) threaded flanges (2253, 2254) |
| British Standard Pipe Flanges Standard | |
| BS 10 Table D | SS 304 BS 10 Table D Flanges, 304L Table D Pipe Flange |
| BS 10 Table E | SS 304 BS 10 Table E Flanges, 304L Table E Pipe Flange |
| BS 10 Table F | SS 304 BS 10 Table E Flanges, 304L Stainless Steel Table E Flanges |
| BS 10 Table H | SS 304 BS 10 Table E Flanges, Stainless Steel 304L Table E Pipe Flanges |
Best quality Stainless Steel 304/304L Flange, EN X5CrNi18-10 Flange, ASTM A182 F304 Stub End Flanges, Steel 304 Tongue & Groove Flanges, 304L SS RTJ Flanges, SS 1.4306 BLRF Flanges, ANSI 150, Table D & Table E Stainless Steel 304 Flange, Series A & B SS 304 Flange, ASTM A182 F304 Lap Joint Flange, JIS Stainless Steel 304 Orifice Flange, PN10 PN16 Stainless Steel 304 Slip On Flange, Stainless Steel 304 Threaded Flange.
Stainless Steel 304 / 304L Flanges Applications
-
-
Petrochemical Industries
-
Pharmaceutical Equipment
-
Power Generation
-
Heating Systems and Heat Exchanger
-
Pulp and Paper Industry
-
Mining Support
-
Chemical Equipment
-
Gas Processing
-
Plumbing
-
Nuclear Power Systems
-
Condensers
-
Sea Water Equipment
-
Buildings and Bridges
-
Industrial Water Lines
-
Food Processing Industry
-
Fire Protection Systems
-
Off-Shore Oil Drilling Companies
-
Australia, Afghanistan, Algeria, Angola, Argentina, Armenia, Azerbaijan, Bahrain, Bangladesh, Benin,
Bhutan, Botswana, Brazil, Brunei, Burkina Faso, Cambodia, Cameroon, Canada, Central Africa Republic,
Chad, Chile, Colombia, Cuba, Cyprus, DRC, Djibouti, Egypt, Equatorial Guinea, Eritrea, Eswatini,
Ethiopia, Fiji, Finland, France, Georgia, Germany, Ghana, Greece, Hungary, Iceland, Indonesia, Iran,
Iraq, Ireland, Israel, Italy, Japan, Jordan, Kazakhstan, Kenya, Kuwait, Kyrgyzstan, Laos, Lebanon,
Lesotho, Liberia, Libya, Lithuania, Madagascar, Malawi, Malaysia, Maldives, Mali, Mexico, Morocco,
Mozambique, Mauritania, Myanmar, Namibia, Nepal, Netherlands, New Zealand, Nigeria, Norway, Oman,
Panama, Peru, Philippines, Poland, Portugal, Palestine, Qatar, Russia, Rwanda, Romania, Saudi Arabia,
Senegal, Sierra Leone, Singapore, Slovakia, Somalia, South Africa, South Korea, South Sudan, Spain,
Sri Lanka, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Tanzania, Tasmania, Thailand, The Gambia,
Timor-Leste, Togo, Tunisia, Turkey, Turkiye, Turkmenistan, Uganda, Uzbekistan, United Arab Emirates (UAE),
United Kingdom (UK), United States (US), Venezuela, Vietnam, Yemen, Zambia, Zimbabwe
Abu Dhabi, Amsterdam, Abuja, Accra, Addis Ababa, Ahmedabad, Algiers, Amman, Ankara, Antananarivo,
Ashgabat, Asmara, Astana, Athens, Baghdad, Baku, Bamako, Bandar Seri Begawan, Bangkok, Bangui,
Banjul, Beirut, Bengaluru, Berlin, Bishkek, Bloemfontein, Bogotá, Bern, Brasília, Bratislava,
Bucharest, Budapest, Buenos Aires, Cairo, Canberra, Cape Town, Caracas, Chennai, Coimbatore, Dakar,
Damascus, Dhaka, Dili, Djibouti city, Dodoma, Doha, Dublin, Dushanbe, Freetown, Gaborone, Ghaziabad,
Guwahati, Hanoi, Harare, Havana, Helsinki, Hobart, Hyderabad, Indore, Jaipur, Jakarta, Jerusalem,
Juba, Jurong East, Kabul, Kampala, Kanpur, Kathmandu, Kigali, Kinshasa, Kochi, Kolkata, Kuala Lumpur,
Kuwait City, Lisbon, Lilongwe, Lima, Lobamba, Lomé, London, Luanda, Lucknow, Lusaka, Malabo, Madrid,
Malé, Mexico City, Manama, Moscow, Manila, Maputo, Maseru, Mbabane, Mogadishu, Monrovia, Mumabi,
Muscat, Nagpur, Nairobi, New Delhi, Niamey, Nicosia, Noida, Nouakchott, N’Djamena, Oslo, Ottawa,
Ouagadougou, Panama City, Paris, Patna, Phnom Penh, Porto-Novo, Pretoria, Pune, Rabat, Reykjavík,
Riyadh, Rome, Sana’a, Santiago, Sri Jayawardenepura Kotte, Stockholm, Seoul, Singapore, Surat,
Suva, Taipei City, Tashkent, Tokyo, Tbilisi, Tehran, Thimphu, Tripoli, Tunis, Vientiane, Vilnius,
Visakhapatnam, Warsaw, Washington D.C., Wellington, Windhoek, Yaoundé, Yerevan, Naypyidaw