What is Stainless Steel 304L Flanges?
Stainless Steel 304L Flanges are austenitic lower carbon versions of the 304 grades. The flanges within this grade are highly reliable and form a strong seal in the pipeline. These flanges can be easily welded due to their lower carbon concentration. The flanges are able to withstand high as well as sub-zero temperatures. Their excellent composition makes them highly resistant against several corrosive systems.
A182 F304L WNRF Flange Application
A182 F304L WNRF Flange is considered to be the strongest flange in a range of flanges. The flange has a protruding, elongated hub, which provides support and allows it to withstand extreme pressures and temperatures. The weld neck flange is widely seen in applications like oil and gas transmission and refining, where pressures and temperatures fluctuate from time to time. They are also utilized in the chemical processing system for handling hazardous fluids. Apart from this, they are seen in the machine industry, power plants, rigs, etc.
Difference Between DIN 1.4307 Blind Flanges and UNS S30403 Slip on Flange
Flanges are components, which can connect a range of piping equipment. Each flange has different characteristics and qualities, which set them apart from each other.
304L SS Pipe Flanges Vs ANSI B16.5 SS 304L Plate flange
Flanges are connectors, which connect a range of products in different systems.
Table of Content
Stainless Steel 304L Threaded Flange
Stainless Steel 304L Pipe Flange
Stainless Steel 304L Forged Flange
Stainless Steel 304L Flanges Specification Chart
| Specifications List | ASME SA182 / ASTM A182 |
|---|---|
| Class / Pressure Rating | PN64 2500#, PN6, 600#, PN40, 150#, PN25, PN16, PN10, 1500#, 300#, 900#, etc. |
| Size in Inches | 1/2 (15 Nominal Bore) to 48 (1200 Nominal Bore) |
| ASTM Standards | ASME/ANSI B16.48, B16.5, BS4504, B 16.47 Series B & A, EN-1092, BS 10, DIN |
| Manufacturer Of Top 8 Flanges Types | Lap Joint Flange/ RTJ Flange/ Threaded Flange/ Blind Flange/ Reducing Flange/Slip On Flange/ Weld Neck Flange/ Socket Weld Flange |
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ASTM A182 Gr F304L Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
|---|---|---|---|---|---|---|---|---|---|
| SS 304L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.03 max | 18 – 20 | - | 8 – 13 | - |
Sizes Chart Of SS 304L Flange
| Outside Dia. of Flange | Nominal Pipe Size | Thik of Flange | Dia. of Hub at Base | Dia. of Raised Face | Length Thru Hub | Dia. or Bore | Depth of Socket | Dia. of Hub at Bevel | Radius of Fillet | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Welding Neck | Slip-On Threaded Socket | Lap Joint | Slip-on Socket | Lap Joint | ||||||||
| O | Q | X | R | Y | Y | Y | W | B | Z | H | r | |
| 7-1/2 | 3 | 15/16 | 4-1/4 | 5 | 2-3/4 | 1-3/16 | 1-3/16 | 3.57 | 3.60 | 13/16 | 3.50 | 3/8 |
| 8-1/2 | 3-1/2 | 15/16 | 4-13/16 | 5-1/2 | 2-13/16 | 1-1/4 | 1-1/4 | 4.07 | 4.10 | 7/8 | 4.00 | 3/8 |
| 9 | 4 | 15/16 | 5-5/16 | 6-3/16 | 3 | 1-5/16 | 1-5/16 | 4.57 | 4.60 | 15/16 | 4.50 | 7/16 |
| 10 | 5 | 15/16 | 6-7/16 | 7.5/16 | 3-1/2 | 1-7/16 | 1-7/16 | 5.66 | 5.69 | 15/16 | 5.56 | 7/16 |
| 11 | 6 | 1 | 7-9/16 | 8-1/2 | 3-1/2 | 1-9/16 | 1-9/16 | 6.72 | 6.75 | 1-1/16 | 6.63 | 1/2 |
| 13-1/2 | 8 | 1-1/8 | 9-11/16 | 10-5/8 | 4 | 1-3/4 | 1-3/4 | 8.72 | 8.75 | 1-1/4 | 8.63 | 1/2 |
| 16 | 10 | 1-3/16 | 12 | 12-3/4 | 4 | 1-15/16 | 1-15/16 | 10.88 | 10.92 | 1-5/16 | 10.75 | 1/2 |
| 3-1/2 | 1/2 | 7/16 | 1-3/16 | 1-3/8 | 1-7/8 | 5/8 | 5/8 | .88 | .90 | 3/8 | .84 | 1/8 |
| 3-7/8 | 3/4 | 1/2 | 1-1/2 | 1-11/16 | 2-1/16 | 5/8 | 5/8 | 1.09 | 1.11 | 7/16 | 1.05 | 1/8 |
| 4-1/4 | 1 | 9/16 | 1-15/16 | 2 | 2-3/16 | 11/16 | 11/16 | 1.36 | 1.38 | 1/2 | 1.32 | 1/8 |
| 4-5/8 | 1-1/4 | 5/8 | 2-5/16 | 2-1/2 | 2-1/4 | 13/16 | 13/16 | 1.70 | 1.72 | 9/16 | 1.66 | 3/16 |
| 5 | 1-1/2 | 11/16 | 2-9/16 | 2-7/8 | 2-7/16 | 7/8 | 7/8 | 1.95 | 1.97 | 5/8 | 1.90 | 1/4 |
| 6 | 2 | 3/4 | 3-1/16 | 3-5/8 | 2-1/2 | 1 | 1 | 2.44 | 2.46 | 11/16 | 2.38 | 5/16 |
| 7 | 2-1/2 | 7/8 | 3-9/16 | 4-1/8 | 2-3/4 | 1-1/8 | 1-1/8 | 2.94 | 2.97 | 3/4 | 2.88 | 5/16 |
| 19 | 12 | 1-1/4 | 14-3/8 | 15 | 4-1/2 | 2-3/16 | 2-3/16 | 12.88 | 12.92 | 1-9/16 | 12.75 | 1/2 |
| 23-1/2 | 16 | 1-7/16 | 18 | 18-1/2 | 5 | 2-1/2 | 3-7/16 | 16.16 | 16.19 | 1-3/4 | 16.00 | 1/2 |
| 25 | 18 | 1-9/16 | 19-7/8 | 21 | 5-1/2 | 2-11/16 | 3-13/16 | 18.18 | 18.20 | 1-15/16 | 18.00 | 1/2 |
| 27-1/2 | 20 | 1-11/16 | 22 | 23 | 5-11/16 | 2-7/8 | 4-1/16 | 20.20 | 20.25 | 2-1/8 | 20.00 | 1/2 |
| 32 | 24 | 1-7/8 | 26-1/8 | 27-1/4 | 6 | 3-1/4 | 4-3/8 | 24.25 | 24.25 | 2-1/2 | 24.00 | 1/2 |
| 21 | 14 | 1-3/8 | 15-3/4 | 16-1/4 | 5 | 2-1/4 | 3-1/8 | 14.14 | 14.18 | 1-5/8 | 14.00 | 1/2 |
UNS S30403 Equivalent
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| SS 304L | 1.4307 | S30403 | SUS 304L | 304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
304L Stainless Steel Flange Pressure Ratings
| ASME /ANSI B16.34 | PRESSURE RATING OF 304L Flange | ||||||
| Temp. °F | 150# | 300# | 400# | 600# | 900# | 1500# | 2500# |
| 750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
| 800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
| 850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
| 900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
| 1300 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
| 1350 | 20 | 60 | 80 | 125 | 185 | 310 | 515 |
| 1400 | 20 | 50 | 65 | 95 | 145 | 240 | 400 |
| 1450 | 15 | 35 | 45 | 70 | 105 | 170 | 285 |
| 1500 | 10 | 25 | 35 | 55 | 80 | 135 | 230 |
| 950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
| 1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
| 1050 | 20 | 310 | 410 | 615 | 925 | 1545 | 2570 |
| 1100 | 20 | 255 | 345 | 515 | 770 | 1285 | 2145 |
| 1150 | 20 | 200 | 265 | 400 | 595 | 995 | 1655 |
| -20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
| 200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
| 300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
| 400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
| 500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
| 600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
| 650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
| 700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
| 1200 | 20 | 155 | 205 | 310 | 465 | 770 | 1285 |
| 1250 | 20 | 115 | 150 | 225 | 340 | 565 | 945 |
ASTM A182 F304L Mechanical Properties
| Melting Point | Density | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
|---|---|---|---|---|
| (2550 °F) 1400 °C | 8.0 g/cm3 | MPa – 205, Psi – 30000 | Psi – 75000 , MPa – 515 | 35 % |
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304L SS Pipe Flanges Dimension
Dimensions: ANSI/ASME B16.5, B16.28, MSS-SP-43.
| StandardS | Class | Dia | No of Bolts | Bolt Size | Bolt Circle Dia | Dia of Bolt Hole |
|---|---|---|---|---|---|---|
| ISO 7005 (DIN) Flanges | PN6 | 80 | 4 | M10 | 55 | 11 |
| PN10 | 95 | 4 | M12 | 65 | 14 | |
| PN16 | 95 | 4 | M12 | 65 | 14 | |
| PN20 | 90 | 4 | M14 | 60.5 | 16 | |
| PN25 | 95 | 4 | M12 | 65 | 14 | |
| PN40 | 95 | 4 | M12 | 65 | 14 | |
| AS 2129 Flanges | Table C | 95 | 4 | 13 | 67 | 14 |
| Table D | 95 | 4 | 13 | 67 | 14 | |
| Table E | 95 | 4 | 13 | 67 | 14 | |
| Table F | 95 | 4 | 13 | 67 | 14 | |
| Table H | 114 | 4 | 16 | 83 | 17 | |
| Table J | 114 | 4 | 16 | 83 | 17 | |
| AS4087 | PN14 | 95 | 4 | M12 | 67 | 14 |
| ANSI B16.5 | ANSI 150 | 89 | 4 | 13 | 60 | 16 |
| ANSI 300 | 95 | 4 | 13 | 67 | 16 | |
| ANSI 600 | 95 | 4 | 13 | 67 | 16 | |
| ANSI 900 | 121 | 4 | 19 | 83 | 22 | |
| ANSI 1500 | 121 | 4 | 19 | 83 | 22 |
F304L Flange Weight
| Outer Dia. Flange | Pipe Normal Diameter. | Thk. Of Flange Minimum | Dia. of Raised Face | Dia. of Hub | Length Hub.Y | Thread Length | Diameter. of Bolt Holes | Diameter. of Bolt Circle | No of Bolts | Kilogram | Diameter. of Bolts (inch) | LB | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| O | inch | dn | C | G | X | Y | T | BH | BC | BN | BD | ||
| 89.00 | 1/2" | 15 | 11.20 | 35.10 | 30.20 | 15.70 | 15.70 | 15.80 | 60.50 | 4 | 0.4 | 1/2" | 0.9 |
| 98.50 | 3/4" | 20 | 12.70 | 42.90 | 38.10 | 15.70 | 15.70 | 15.80 | 69.90 | 4 | 0.7 | 1/2" | 1.5 |
| 108.00 | 1" | 25 | 14.20 | 50.80 | 49.30 | 17.50 | 17.50 | 15.80 | 79.30 | 4 | 0.8 | 1/2" | 1.8 |
| 117.50 | 1-1/4" | 32 | 15.70 | 63.50 | 58.70 | 20.60 | 20.60 | 15.80 | 88.90 | 4 | 1.2 | 1/2" | 2.6 |
| 127.00 | 1-1/2" | 40 | 17.50 | 73.20 | 65.00 | 22.40 | 22.40 | 15.80 | 98.60 | 4 | 1.5 | 1/2" | 3.3 |
| 152.50 | 2" | 50 | 19.10 | 91.90 | 77.70 | 25.40 | 25.40 | 19.10 | 120.70 | 4 | 2.3 | 5/8" | 5.1 |
| 178.00 | 2-1/2" | 65 | 22.40 | 104.60 | 90.40 | 28.40 | 28.40 | 19.10 | 139.70 | 4 | 3.7 | 5/8" | 8.1 |
| 190.50 | 3" | 80 | 23.90 | 127.00 | 108.00 | 30.20 | 30.20 | 19.10 | 152.40 | 4 | 4.1 | 5/8" | 9 |
| 216.00 | 3-1/2" | 90 | 23.90 | 139.70 | 122.20 | 31.80 | 31.80 | 19.10 | 177.80 | 8 | 5.1 | 5/8" | 11.2 |
| 228.50 | 4" | 100 | 23.90 | 157.20 | 134.90 | 33.30 | 33.30 | 19.10 | 190.50 | 8 | 5.9 | 5/8" | 13 |
| 254.00 | 5" | 125 | 23.90 | 185.70 | 163.60 | 36.60 | 36.60 | 22.40 | 215.90 | 8 | 7 | 3/4" | 15.4 |
| 279.50 | 6" | 150 | 25.40 | 215.90 | 192.00 | 39.60 | 39.60 | 22.40 | 241.30 | 8 | 8.4 | 3/4" | 18.5 |
| 343.00 | 8" | 200 | 28.40 | 269.70 | 246.10 | 44.50 | 44.50 | 22.40 | 298.50 | 8 | 13 | 3/4" | 28.6 |
| 406.50 | 10" | 250 | 30.20 | 323.90 | 304.80 | 49.30 | 49.30 | 25.40 | 362.00 | 12 | 18 | 7/8" | 39.5 |
| 482.50 | 12" | 300 | 31.80 | 381.00 | 365.30 | 55.60 | 55.60 | 25.40 | 431.80 | 12 | 29 | 7/8" | 64 |
| 533.50 | 14" | 350 | 35.10 | 412.80 | 400.10 | 57.20 | 57.20 | 28.50 | 476.30 | 12 | 39 | 1" | 86 |
| 597.00 | 16" | 400 | 36.60 | 469.90 | 457.20 | 63.50 | 63.50 | 28.50 | 539.80 | 16 | 47 | 1" | 103 |
| 635.00 | 18" | 450 | 39.60 | 533.40 | 505.00 | 68.30 | 68.30 | 31.80 | 577.90 | 16 | 57 | 1 1/8" | 126 |
| 698.50 | 20" | 500 | 42.90 | 584.20 | 558.80 | 73.20 | 73.20 | 31.80 | 635.00 | 20 | 76 | 1 1/8" | 167 |
| 813.00 | 24" | 600 | 47.80 | 692.20 | 663.40 | 82.60 | 82.60 | 35.10 | 749.30 | 20 | 97 | 1 1/4" | 214 |
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SS UNS S30403 Flanges Stock
| Stainless Steel 304L Flange | 304L SS Blind Flange |
| UNS S30403 Slip on Flange | 304H Stainless Steel Threaded Flange |
| SS A182 F304H Reducing Flange | Stainless Steel 1.4306 Socket Weld Flange |
| ASME SA182 F304L Weld Neck Flanges | ASTM A182 F304H Lap Joint Flanges |
| Stainless Steel 1.4306 Long Weld Neck Flanges | UNS S30403 Spectacle Blind Flanges |
| SS A182 F304H Spades & Ring Spacers | 304L SS Nipoflange |
| 304H Stainless Steel 5D Weldoflange | ASME SA182 F304L Flange Outlet |
| Stainless Steel 304L Forged Flanges | Stainless Steel 1.4306 Plate Flange |
| 304H Stainless Steel Ring Type Joint Flanges | SS A182 F304H Raised Face Flanges |
| ASTM A182 F304H Tongue and Groove Flanges | UNS S30403 Male and Female Flange |
| ASME SA182 F304L Reducing Flanges | 304L SS ASME B16.5 Flanges |
| Stainless Steel 304L Flanges | Stainless Steel 1.4306 BS 10 Flanges |
| SS A182 F304H BS 4504 Flanges | 304H Stainless Steel EN 1092-1 Flanges |
| ASME SA182 F304L SORF Flange | UNS S30403 BLRF Flange |
| Stainless Steel 304L Forged Flange | Stainless Steel 304L Threaded Flange |
| 304L SS WNRF Flange | Stainless Steel 304L Series a Lap Joint Ring Flange |
| Stainless Steel 1.4306 PN16 blind flange | SS A182 F304H Forged Socket Weld Pipe Flange |
| UNS S30403 Class 300 slip on flange | ASME SA182 F304L Slip On Weld Flange |
| 304H Stainless Steel Forged steel slip on flanges | 304L SS Race face slip on flange |
| Stainless Steel 304L SWRF Flange | ASTM A182 F304H Forged blind flange |
| UNS S30403 groove weld neck flange | Stainless Steel 1.4306 Socket Weld Hub Flange |
| SS A182 F304H threaded lap joint flange | 304L SS Slip On Integral flange |
| ASTM A182 F304H Forged integral puddle flange | 304H Stainless Steel table e long weld neck |
| UNS S30403 Class 150 LBS Flange | ASTM A182 F304H PN10 Forged Flanges |
Heat Treatment Of Stainless Steel 304L Blind Flange
Stainless Steel 304L Flanges Types
Buy A182 Stainless Steel 304L Forged Flange Directly From Largest Manufacturers In Mumbai, Check Physical Properties Of Stainless Steel 304L Socket Weld Flange
Stainless Steel 304L Weld Neck Flange Physical Properties
| Grade | Elastic Modulus (GPa) | Density (kilogram/meter3) | Mean Coefficient of Thermal Expansion (m/m/0C) | Specific Heat 0-1000C(J/kg.K) | Thermal Conductivity(W/m.K) | Electrical Resistivity (n.m) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| F304L | 193 | 8000 | 17.2 | 17.8 | 18.4 | 500 | 16.2 | 21.5 | 720 |
PED Certified SS UNS S30403 Plate Flanges Manufacturers in Mumbai, India, Tolerance Of ANSI B16.5 SS 304L Nippolet flange In MM.
Check Torque Chart Of ASME SA182 SS 304L Weld Neck Flange and SS GOST 03Х18Н11 Lap Joint Flange Supplier & Manufacturers In Mumbai, India.
Stainless Steel 304L Socket Weld Flange Torque Chart
| Size in Inches | Size in Millimeter | Imperfections Max. Radial Projection | |
|---|---|---|---|
| No Deeper Than the Bottom of the Serrations, millimeter | Deeper Than the Bottom of the Serrations, millimeter | ||
| 1/2 | 15 | 3.0 | 1.5 |
| 3/4 | 20 | 3.0 | 1.5 |
| 1 | 25 | 3.0 | 1.5 |
| 1 1/4 | 32 | 3.0 | 1.5 |
| 1 1/2 | 40 | 3.0 | 1.5 |
| 2 | 50 | 3.0 | 1.5 |
| 2 1/2 | 65 | 3.0 | 1.5 |
| 3 | 80 | 4.5 | 1.5 |
| 3 1/2 | 90 | 6.0 | 3.0 |
| 4 | 100 | 6.0 | 3.0 |
| 5 | 125 | 6.0 | 3.0 |
| 6 | 150 | 6.0 | 3.0 |
| 8 | 200 | 8.0 | 4.5 |
| 10 | 250 | 8.0 | 4.5 |
| 12 | 300 | 8.0 | 4.5 |
| 14 | 350 | 8.0 | 4.5 |
| 16 | 400 | 10.0 | 4.5 |
| 18 | 450 | 12.0 | 6.0 |
| 20 | 500 | 12.0 | 6.0 |
| 24 | 600 | 12.0 | 6.0 |
SA182 SS 304L Lap Joint Flange Standard
SS 304L Density In Kg/m3
| Property | Value |
|---|---|
| Density | 8.00 Kg/m3 |
Stainless Steel 304L Slip On Flange Hardness
| Physical Properties | Metric | English |
|---|---|---|
| Hardness, Rockwell C | 15 | 15 |
| Hardness, Vickers | 159 | 159 |
Stainless Steel 304L Flanges Price
| Description | Per Unit (INR) |
|---|---|
| FLANGES STAINLESS STEEL SA 182 F304L ANSI B16.5 DN100,150# BLRF | 432 |
| FLANGES STAINLESS STEEL SA 182 F304L ANSI B16.5 DN100,150# SORF | 496 |
| FLANGES SS SA 182 F304L ANSI B16.5 DN80,150# SORF | 502 |
| FLANGES STAINLESS STEEL SA 182 F304L ANSI B16.5 DN150,150#SCH10S WNRF | 1,095 |
Stainless Steel 304L Pipe Flange Thermal Expansion Coefficient
| Property | Value |
|---|---|
| Thermal Expansion | 17.2 x 10-6 /K |
| Thermal Conductivity | 16.2W/m.K |
Stainless Steel 304L Threaded Flange Corrosion
304L has excellent corrosion resistance in many environments and when in contact with different corrosive media. Pitting and crevice corrosion can occur in environments containing chlorides. Stress corrosion cracking can occur above 60°C.