While the chemistry of Stainless steel grade 304H is similar to alloy 304, flanges produced from grade 304H has a higher carbon content. A higher carbon content has been associated with the ability to withstand elevated temperatures. Similar to grade 304, the alloy is versatile and is very popular in addition to the 304H Stainless Steel Flanges being a cost effective component to several applications. Blind flanges are frequently used for high pressure applications. However, what makes the SS 304H Blind Flange an asset in piping systems is that this particular flange has the ability to multi-task. For e.g., while conventionally used to shut-off or seal a valve or pump in a piping system, these flanges are not only used to test the flow of gas or liquid through but also permit for modification, inspection and cleaning a pipe or vessel.
ASTM A182 F304H Flanges
304H stainless steel Flanges
ASME SA182 F304H Weld Neck Flanges
While weld neck flanges tend to be expensive, slip on flanges are a cheaper component. The price of using a slip on flange in the application reduces even more if it is produced in stainless steel grade 304H. In terms of alignment, using a UNS S30409 Slip On Flange proves to be easier contrast to weld neck flanges. One of the main reasons why many industries prefer using the more expensive A182 Grade F304H WNRF Flange is because they aid in rescuing stress from the button of the hub while transferring stress from the flange to the pipe. Moreover weld neck type ASTM A182 F304H Flanges are well suited to be used for high pressure based applications.
Standards | GOST Flange, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092, BS, BS4504, BS 10, EN-1092, DIN, ANSI, ASME, DIN, MSS S44, ISO70051, ANSI/ASME B16.5, ASME/ANSI B16.5/16.36/16.47A/16.47B, B16.47 Series A & B, B16.48, EN |
---|---|
Pressure Rating ANSI | Class 1500, Class 150, Class 900, Class 2500, Class 300, Class 600, |
Pressure Calculation in DIN | 10Bar, 16Bar, 25Bar, 40Bar, 6Bar, / PN16, PN64, PN40, PN25, PN10, PN6 |
JIS | 16 K, 20 K, 5K, 10 K, 40 K, 63 K, 30 K, |
UNI | 10Bar 16Bar 6Bar 25Bar 40Bar |
EN | 6Bar 25Bar 40Bar 10Bar 16Bar |
Most common Types | Threaded / Screwed / Forged / Plate |
Production technique |
|
Shapes and Types we produce | Large Male-Female (LMF), Ring Type Joint (RTJ), Flat Face (FF), Small Tongue, Small Male-Female (SMF),Raised Face (RF), Large Tongue & Groove, Groove, Lap-Joint Face (LJF) |
Test | Direct-reading Spectrograph, Magnetic particle detector, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector |
Equipment | Pushing Machine, Press machine, Bending machine, Sand-blasting machine, electric bevelling machine etc |
Stainless Steel 1.4301 Weld Neck Flanges | ASTM A182 F304H Lap Joint Flanges |
Stainless Steel 304H Long Weld Neck Flanges | SS A182 F304H Spectacle Blind Flanges |
ASME SA182 F304H Spades & Ring Spacers | 304H SS Nipoflange |
UNS S30409 5D Weldoflange | Stainless Steel 1.4301 Flange Outlet |
304H Stainless Steel Flange | 304H SS Blind Flange |
304H Stainless Steel Forged Flanges | Stainless Steel 304H Plate Flange |
304H Stainless Steel Flanges | Stainless Steel 304H BS 10 Flanges |
ASME SA182 F304H BS 4504 Flanges | UNS S30409 EN 1092-1 Flanges |
Stainless Steel 1.4301 SORF Flange | SS A182 F304H BLRF Flange |
304H SS WNRF Flange | 304H Stainless Steel Series a Lap Joint Ring Flange |
SS A182 F304H Slip on Flange | UNS S30409 Threaded Flange |
ASME SA182 F304H Reducing Flange | Stainless Steel 304H Socket Weld Flange |
Stainless Steel 304H PN16 blind flange | ASME SA182 F304H Forged Socket Weld Pipe Flange |
SS A182 F304H Class 300 slip on flange | Stainless Steel 1.4301 Slip On Weld Flange |
ASTM A182 F304H Tongue and Groove Flanges | SS A182 F304H Male and Female Flange |
Stainless Steel 1.4301 Reducing Flanges | 304H SS ASME B16.5 Flanges |
304H Stainless Steel SWRF Flange | ASTM A182 F304H Forged blind flange |
SS A182 F304H groove weld neck flange | Stainless Steel 304H Socket Weld Hub Flange |
UNS S30409 Forged steel slip on flanges | 304H SS Race face slip on flange |
UNS S30409 Ring Type Joint Flanges | ASME SA182 F304H Raised Face Flanges |
ASME SA182 F304H threaded lap joint flange | 304H SS Slip On Integral flange |
ASTM A182 F304H Forged integral puddle flange | UNS S30409 table e long weld neck |
SS A182 F304H Class 150 LBS Flange | ASTM A182 F304H PN10 Forged Flanges |
Fitting Schedule/Class | Flange Size | Fitting Connection Type | Pipe Fitting Material | Max. Pressure | Price |
Class 150 | 1/2″ | FNPT | 304H Stainless Steel | 150 psi | $27.39 / each |
Class 150 | 1/2″ | Socket Weld | Forged 304H Stainless Steel | 275 psi | $31.86 / each |
Class 150 | 1/2″ | Welded | 304H Stainless Steel | 150 psi | $12.43 / each |
Class 150 | 3/4″ | FNPT | 304H Stainless Steel | 150 psi | $27.39 / each |
Class 150 | 3/4″ | Socket Weld | Forged 304H Stainless Steel | 275 psi | $35.88 / each |
Class 150 | 3/4″ | Welded | 304H Stainless Steel | 150 psi | $15.34 / each |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
SS 304H | 0.10 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | 18 ? 20 | – | 8 ? 10.5 | – |
STANDARD | WERKSTOFF NR. | UNS |
SS 304H | 1.4301 | S30409 |
Standard | Class | Diameter | Bolt Circle Diameter | Number of Bolts | Bolt Size | Diameter of Bolt Hole |
---|---|---|---|---|---|---|
AS4087 | PN14 | 95 | 67 | 4 | M12 | 14 |
AS 2129 Flange | Table C | 95 | 67 | 4 | 13 | 14 |
Table D | 95 | 67 | 4 | 13 | 14 | |
Table E | 95 | 67 | 4 | 13 | 14 | |
Table F | 95 | 67 | 4 | 13 | 14 | |
Table H | 114 | 83 | 4 | 16 | 17 | |
Table J | 114 | 83 | 4 | 16 | 17 | |
ANSI B16.5 | ANSI 150 | 89 | 60 | 4 | 13 | 16 |
ANSI 300 | 95 | 67 | 4 | 13 | 16 | |
ANSI 600 | 95 | 67 | 4 | 13 | 16 | |
ANSI 900 | 121 | 83 | 4 | 19 | 22 | |
ANSI 1500 | 121 | 83 | 4 | 19 | 22 | |
ISO 7005 (DIN) Flange | PN6 | 80 | 55 | 4 | M10 | 11 |
PN10 | 95 | 65 | 4 | M12 | 14 | |
PN16 | 95 | 65 | 4 | M12 | 14 | |
PN20 | 90 | 60.5 | 4 | M14 | 16 | |
PN25 | 95 | 65 | 4 | M12 | 14 | |
PN40 | 95 | 65 | 4 | M12 | 14 |