Hot Working
Types of Stainless Steel 304L Flanges: Which One is Best for You?
Because it is so affordable and accessible, grade 304 is among the grades that is most frequently utilised. The chemical composition of this austenitic stainless-steel grade from the 300 series group can be altered to satisfy the specifications. The chemical makeup of pipe networks can be altered if welding is a priority by reducing the carbon level. Crevice corrosion is less likely to persist in Stainless Steel 304L Flanges.
How Are ASTM A182 F304L Flanges Made?
The oxygen in the air accelerates the development of carbide precipitates in a regular higher carbon stainless alloy. This specific stainless steel grade becomes more susceptible to deterioration as a result of the newly generated carbide precipitates.This typically sensitise the grain boundary. However, because the carbon percentage in the stainless steel UNS S30403 Weld neck flange is low. It prevents precipitates from forming, which would otherwise cause the stainless steel grains to become immediately sensitised. Stainless steel grades are produced into parts utilising requirements like ASTM A182 F304L Flanges to achieve good functionality and durability.
Price Difference of SS 304L Flanges VS 316
The two most widely used grades of flanges are 304 and 316. The main distinction is the use of molybdenum, an alloy that significantly improves corrosion resistance, particularly in areas with chloride exposure.
Stainless steel is a perfect corrosion-resistant substance for outdoor furniture like railings and bollards.But it will only tolerate prolonged exposure if the class is suitable for the area.
For the majority of settings, 304 is a cost-effective and sensible option, although it lacks the 316's chloride protection. In places with heavy chloride exposure, the marginally premium price range of SS 304L Flangesis well worth it. Every stainless steel use has different requirements and needs a material that can handle the job.
Table of content
Stainless Steel 304L Flanges
Size
Class
Schedule
ASME
Information On ASTM A182 F304L Stainless Steel Flanges
Hot Working
Cold Working
Machinability
Stainless Steel 304L Flanges Specification
Specifications | Stainless Steel 304L Flanges |
---|---|
Face Type | RF (Raised Face), RTJ (Ring Type Joint) |
Testing | Hydrostatic testing machine Magnetic particle detector Direct-reading Spectrograph UI trasonic flaw detector |
Size | 1/2” to 24” (customized diameters: up to 60”.) |
Payment Type | L/C,T/T,D/P,Paypal |
DIN Standard | PN6/ PN10/ PN16/ PN25/ PN40/ PN64 |
JIS Standard | 5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K |
Equipment | Pushing Machine Press machine electric bevelling machine |
Certificate | ISO |
Transportation In | Air & Ocean and Land |
SS 304L Flanges Manufacturer In UAE | 600 ton per month (Manufacturing Productivity) |
Supporting Material For Flanges | Gasket/ Ring Joint/ Flanges Bolts |
Available Packing | Packing In Plywood Box And Plywood Pallet |
Use In | Marine & dredging Sanitation Process Instrumentation Oil and Gas Petrochemical/ Refinery/Chemical Power etc. |
Brand Name | Schulzmann |
Supply Ability | 300 Ton Per Month |
Class | Class 150 to 2500. PN 2.5 to PN 250. |
EN Standard | 6Bar/ 10Bar/ 16Bar/ 25Bar/ 40Bar |
Methods Of Forging | Casting Forging Rolling Cutting |
ASTM A182 F304L Flange Price List
Description | Price In US ($) |
---|---|
WNRF, 300#, SS 10S BORE, ASTM A182 F304L | US $1290.17 Per Kg |
A182 GR F304L WN 300#, SCH 40S, BORE ITEM-FLANGES | US $1514.11 Per Kg |
A182 GR F304L WN 300#, RF, SCH 40S, BORE ITEM-FLANGES | US $25.16 Per Kg |
SS 10S BORE, WNRF, 150#, ASTM A182 F304L | US $5435.83 Per Kg |
WNRF, 150#, SS 10S, SA/A182 GR.F304L | US $532.45 Per Kg |
RF, 300#, SS 40S BORE, SWRF, ASTM A182 F304L | US $62.99 Per Kg |
SS 40S BORE, WNRF, 300#, ASTM A182 F304L | US $191.12 Per Kg |
SS 10S BORE, WNRF, 150#, ASTM A182 F304L | US $210.80 Per Kg |
SS 40S BORE, SWRF, RF, 300#, ASTM A182 F304L | US $75.19 Per Kg |
SWRF, SS 40S BORE, RF, 300#, ASTM A182 F304L | US $42.12 Per Kg |
SS 10S BORE, WNRF, 150#, SA/A182 GR.F304L | US $616.20 Per Kg |
WNRF, 150#, SS 10S BORE, ASTM A182 F304L | US $512.91 Per Kg |
WNRF, 150#, SS 10S BORE, ASTM A182 F304L | US $991.21 Per Kg |
Types Of ASTM A182 F304L Stainless Steel Flanges
AISI 304L Blind Flange
WNR 1.4307 Slip On Flange
SS 304L Weld Neck Flange
304L Stainless Steel Socket Weld Flange
ASTM A182 F304L Plate Flange
UNS S30403 Lap Joint Flange
304L Stainless Steel Threaded Flange
SA182 F304L Orifice Flanges
304L SS Spectacle Blind Flanges
304L Stainless Steel Flanges
SS 304L Flanges
304L SS Pipe Flanges
ASTM A182 F304L Flanges
Class 150 Stainless Steel 304l Flanges
SS 304L Large Diameter Flanges
Grade | Stainless Steel 304L Flanges |
DIN | 1.4306 / 1.4307 |
JIS | SUS 304L |
AFNOR | Z3CN18‐10 |
GOST | 03Х18Н11 |
UNS | S30403 |
BS | 3304S11 |
EN | X2CrNi18-9 And X2CrNi19-11 |
WERKSTOFF No. | 1.4306 / 1.4307 |
Chemical Composition Of ASTM A182 F304L Blind Flange
Chemical Element | % Present |
---|---|
Phosphorous (P) | 0.0 - 0.05 |
Sulphur (S) | 0.0 - 0.03 |
Nickel (Ni) | 8.00 - 10.50 |
Chromium (Cr) | 17.50 - 19.50 |
Manganese (Mn) | 0.0 - 2.00 |
Silicon (Si) | 0.0 - 1.00 |
Nitrogen (N) | 0.0 - 0.11 |
Iron (Fe) | Balance |
Carbon (C) | 0.0 - 0.03 |
UNS S30403 Threaded Flanges Mechanical Properties
Elongation, % | Hardness, Rockwell | Tensile Strength ksi(Mpa), min. | Yield Strength, ksi(Mpa) |
---|---|---|---|
55 | B82 | 90 (621) | 42 (290) |
WNR 1.4307 Lap Joint Flanges Physical Properties
Density | Magnetic Permeability | Electric Resistivity | Melting Range | Specific Heat |
---|---|---|---|---|
8.03 | ≤1.02 | 72 | 2550-2650 | 0.50 |
g/cm3 | Oersteds | microhm-cm | °F | kJ/kg*K |
304L Stainless Steel Flange Pressure Ratings
Temperature (Dedgree C) | Types Of Class | ||
---|---|---|---|
(150#) | (300#) | (400#) | |
-29 - 38 | 19.8 | 51.7 | 68.9 |
50 | 19.5 | 51.7 | 68.9 |
100 | 17.7 | 51.5 | 68.7 |
150 | 15.8 | 50.2 | 66.8 |
200 | 13.8 | 48.6 | 64.8 |
250 | 12.1 | 46.3 | 61.7 |
300 | 10.2 | 42.9 | 57.0 |
325 | 9.3 | 41.4 | 55.0 |
350 | 8.4 | 40.0 | 53.4 |
375 | 7.4 | 37.8 | 50.4 |
400 | 6.5 | 34.7 | 46.3 |
425 | 5.5 | 28.8 | 38.4 |
450 | 4.6 | 23.0 | 30.7 |
475 | 3.7 | 17.1 | 22.8 |
500 | 2.8 | 11.6 | 15.4 |
SS 304L Weld Neck Flange Dimensions In MM
Size In Inches | D In (millimeter) | X In (millimeter) | G In (millimeter) | t In (millimeter) | B1 In (millimeter) | T1 In (millimeter) | A In (millimeter) |
---|---|---|---|---|---|---|---|
1/2 | 89 | 30.2 | 35.1 | 11.2 | 15.7 | 47.8 | 21.3 |
3/4 | 99 | 38.1 | 42.9 | 12.7 | 20.8 | 52.3 | 26.7 |
1 | 108 | 49.3 | 50.8 | 14.2 | 26.7 | 55.6 | 33.5 |
1¼ | 117 | 58.7 | 63.5 | 15.7 | 35.1 | 57.2 | 42.2 |
1½ | 127 | 65.0 | 73.2 | 17.5 | 40.9 | 62.0 | 48.3 |
2 | 152 | 77.7 | 91.9 | 19.1 | 52.6 | 63.5 | 60.5 |
2½ | 178 | 90.4 | 104.6 | 22.4 | 62.7 | 69.9 | 73.2 |
3 | 191 | 108.0 | 127.0 | 23.9 | 78.0 | 69.9 | 88.9 |
3½ | 216 | 122.2 | 139.7 | 23.9 | 90.2 | 71.4 | 101.6 |
4 | 229 | 134.9 | 157.2 | 23.9 | 102.4 | 76.2 | 114.3 |
5 | 254 | 163.6 | 185.7 | 23.9 | 128.3 | 88.9 | 141.2 |
6 | 279 | 192.0 | 215.9 | 25.4 | 154.2 | 88.9 | 168.4 |
8 | 343 | 246.1 | 269.7 | 28.4 | 202.7 | 101.6 | 218.2 |
10 | 406 | 304.8 | 323.9 | 30.2 | 254.5 | 101.6 | 273.1 |
12 | 483 | 365.3 | 381.0 | 31.8 | 304.8 | 114.3 | 323.9 |
14 | 533 | 400.1 | 412.8 | 35.1 | 336.6 | 127.0 | 355.6 |
16 | 597 | 457.2 | 469.9 | 36.6 | 387.4 | 127.0 | 406.4 |
18 | 635 | 505.0 | 533.4 | 39.6 | 438.2 | 139.7 | 457.2 |
20 | 699 | 558.8 | 584.2 | 42.9 | 489.0 | 144.5 | 508.0 |
24 | 813 | 663.4 | 692.2 | 47.8 | 590.6 | 152.4 | 609.6 |
Grade 304L Socket Weld Flanges Tolerance
OD * | ≤ 24 = 1.6 (millimeter) | > 24 = ± 3.2 (millimeter) |
---|---|---|
ID | ≤ 10 = ± 0.8 (millimeter) | ≥ 12 = + 1.6 millimeter / - 0 millimeter |
OD Of Hub | ≤ 12 = + 2.4 millimeter / - 1.6 (millimeter) | ≥ 14 = ± 3.2 (millimeter) |
Drilling | B.C. = 1.6 (millimeter) | Spacing Of Bolts Hole = ± 0.8 (millimeter) |
Thickness | ≤ 18 = + 3.2 millimeter / - 0 | ≥ 20 = + 4.8 millimeter / - 0 |
Eccentricity Of Bolt Circle | ≤ 2.1/2 = 0.8 millimeter (maximum) | ≥ 3 = 1.6 millimeter (maximum) |
SS 304L Forged Flange Thermal Expansion
Mean Coefficient of Thermal Expansion (m/m/0C) | ||
---|---|---|
0-1000C | 0-3150C | 0-5380C |
17.2 | 17.8 | 18.4 |
Bolts Size Of Stainless Steel 304L Slip On Flange
Class 150 Flanges | Class 300 Flanges | Class 600 Flanges | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
NPS | # Studs And Bolts | Diameter of Studs or Bolts | Stud Length | # Studs and Bolts | Diameter of Studs and Bolts | Stud Length | # Studs and Bolts | Bolts and Studs Diameetr | Stud Length | |||
1/16 Raised Face | Ring Type Joint | 1/16 Raised Face | Ring Type Joint | 1/4 Raised Face | Ring Type Joint | |||||||
1/2 | 4 | 0.50 | 2-1/4 | – | 4 | 0.50 | 2-1/2 | 3 | 4 | 0.50 | 3 | 3 |
3/4 | 4 | 0.50 | 2-1/2 | – | 4 | 0.63 | 3 | 3-1/2 | 4 | 0.63 | 3-1/2 | 3-1/2 |
1 | 4 | 0.50 | 2-1/2 | 3 | 4 | 0.63 | 3 | 3-1/2 | 4 | 0.63 | 3-1/2 | 3-1/2 |
1-1/4 | 4 | 0.50 | 2-3/4 | 3-1/4 | 4 | 0.63 | 3-1/4 | 3-3/4 | 4 | 0.63 | 3-3/4 | 3-3/4 |
1-1/2 | 4 | 0.50 | 2-3/4 | 3-1/4 | 4 | 0.75 | 3-1/2 | 4 | 4 | 0.75 | 4-1/4 | 4-1/4 |
2 | 4 | 0.63 | 3-1/4 | 3-3/4 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.63 | 4-1/4 | 4-1/4 |
2-1/2 | 4 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4 | 4-1/2 | 8 | 0.75 | 4-3/4 | 4-3/4 |
3 | 4 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/4 | 4-3/4 | 8 | 0.75 | 5 | 5 |
3-1/2 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/4 | 5 | 8 | 0.88 | 5-1/2 | 5-1/2 |
4 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/2 | 5 | 8 | 0.88 | 5-3/4 | 5-3/4 |
5 | 8 | 0.75 | 3-3/4 | 4-1/4 | 8 | 0.75 | 4-3/4 | 5-1/4 | 8 | 1.00 | 6-1/2 | 6-1/2 |
6 | 8 | 0.75 | 4 | 4-1/2 | 12 | 0.75 | 4-3/4 | 5-1/2 | 12 | 1.00 | 6-3/4 | 6-3/4 |
8 | 8 | 0.75 | 4-1/4 | 4-3/4 | 12 | 0.88 | 5-1/2 | 6 | 12 | 1.13 | 7-1/2 | 7-3/4 |
10 | 12 | 0.88 | 4-1/2 | 5 | 16 | 1.00 | 6-1/4 | 6-3/4 | 16 | 1.25 | 8-1/2 | 8-1/2 |
12 | 12 | 0.88 | 4-3/4 | 5-1/4 | 16 | 1.13 | 6-3/4 | 7-1/4 | 20 | 1.25 | 8-3/4 | 8-3/4 |
14 | 12 | 1.00 | 5-1/4 | 5-3/4 | 20 | 1.13 | 7 | 7-1/2 | 20 | 1.38 | 9-1/4 | 9-1/4 |
16 | 16 | 1.00 | 5-1/4 | 5-3/4 | 20 | 1.25 | 7-1/2 | 8 | 20 | 1.50 | 10 | 10 |
18 | 16 | 1.13 | 5-3/4 | 6-1/4 | 24 | 1.25 | 7-3/4 | 8-1/4 | 20 | 1.63 | 10-3/4 | 10-3/4 |
20 | 20 | 1.13 | 6-1/4 | 6-3/4 | 24 | 1.25 | 8 | 8-3/4 | 24 | 1.63 | 11-1/4 | 11-1/2 |
24 | 20 | 1.25 | 6-3/4 | 7-1/4 | 24 | 1.50 | 9 | 10 | 24 | 1.88 | 13 | 13-1/4 |
NPS | Dimensions | Weight As Per (Kilogram) | ||||
---|---|---|---|---|---|---|
Normal Size (Inch) |
DN (mm) | Flanges MM |
Flanges Thick. |
Slip On Flange And Socket Weld Flange |
Weld Neck Flange | Blind Flange |
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 304L Flanges Weight
NPS | Dimensions | Weight As Per (Kilogram) | ||||
---|---|---|---|---|---|---|
Normal Pipe Sizes (Inch) |
DN (mm) | Flanges Outer Diameter Of (A) Millimeter |
Flanges Thickness Of D Millimeter |
Slip On Flange And Socket Weld Flange |
Weld Neck Flange | Blind Flange |
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 |
SS 304L Forged Flange Standard
Standard