We manufacture AISI 4130 Pipe Flanges with ratings of 150#, 300#, 400#, 600#, 900#, and 1500# in sizes NPS 1/2 to 24. These products are required to meet both metric and American standards. All Uns G41300 Weld Neck Flanges are produced in accordance with the standards set forth by the ANSI/ ASME (USA)/ ASA, PN/ DIN (Europe), BS10 (British/ Australian), and JIS/ KS (Japanese/ Korean) as well as alloy steel AISI 4130 loose flange sizes from NPS 1/2 to NPS 12. Aisi 4130 Flanges can be purchased directly from manufacturers.
The 6mo Plate Flange's construction has been specifically created for use in heavy tasks. SMO flanges are typically capable of withstanding high temperatures, which makes them one of the safest options to take into account for assemblies. The 1.4547 Material is produced in a variety of dimensions to enable simple integration into a variety of assemblies.
A highly expensive molybdenum and nitrogen alloyed super austenitic stainless steel is called Alloy 254 SMO, also known as Astm A182 F44 Material. The amount of carbon in this alloy is quite low. The 6mo Plate Flange exhibits exceptional resistance to pitting, stress cracking, crevice corrosion, and uniform corrosion as well as corrosion fatigue.
Comparing the SMO 254 Spectacle Blind Flange to ordinary or traditional austenitic grade alloys, it is noticeably stronger. Alloy 254 SMO has a tensile strength that is almost twice as high as grade 300 series stainless steel. The UNS S31254 Weld Neck Flange is distinguished by both high impact strength and excellent ductility. The alloy is widely employed in situations with high chloride concentrations due to its high chromium, molybdenum, and nitrogen composition. For instance, the UNS S31254 Pipe Flange is utilised in seawater, brackish water, bleaching facilities for pulp mills, and other chloride process streams.
The Smo 254 Flanges have even been discovered to be a more economical choice for alloys with high nickel and titanium contents in a number of applications. The price of the consumed alloy is lower since there is less of both of these elements in it. The majority of Uns S31254 Super Duplex Stainless Steel Flanges Suppliers advise customers to use this alloy in environments with high chloride levels due to the high levels of molybdenum and nickel content in the alloy. Applications like saltwater handling, desalination equipment, petroleum production, pulp mill bleach systems, tall oil distillation columns, food and chemical processing equipment, flue gas desulphurization scrubbers, offshore oil & gas production equipment, etc. are examples of those that the 254 Smo Flanges Manufacturer In India suggests.
Since the UNS S31254 Weld Neck Flange is produced using cutting-edge machinery, the components, parts, or equipment made from this alloy will have a high level of surface finish and dimensional accuracy.

| Specifications | SMO 254 Flanges |
|---|---|
| SMO 254 Flanges Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges. |
| ASME B16.5 SMO 254 Flange size range | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| SMO 254 Flange Standard DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| SMO 254 Flange Standard ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| SMO 254 Flange Standard UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| SMO 254 Flange Standard EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| SMO 254 Flange Standard JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| Main Types | Forged / Threaded / Screwed / Plate |
| Flange supporting material | Gasket, Ring Joint, Flange Bolts |
| Most common types of SMO 254 Flanges |
|
| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, , Groove |
| SMO 254 Pipe Flanges Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production technique |
|
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS Nickel Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange |
| Specialized manufacturer of |
|
| Test | Hydrostatic testing machine, Direct-reading Spectrograph,UI trasonic flaw detector, X-ray detector, Magnetic particle detector |
| Equipment | Bending machine, Press machine, electric bevelling machine, Pushing Machine, Sand-blasting machine etc |
| Origin | West Europe /Indian / USA / Japan / Korean |
| SMO 254 Flanges Standard | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
|
| Key markets and industries for SMO 254 Flanges |
|
| Export to | Indonesia, Ireland, Ukraine, Singapore,Saudi Arabia,Canada, Peru, Dubai, Brazil, Iran, Korea, USA, India, Egypt, Thailand, Spain, Oman etc |
| SMO 254 Flanges Application |
|
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
254 SMO Pipe Flange Price Per Piece in India |
ASME SA182M SMO 254 Flange Price in INR |
ASME SA182M SMO 254 Flange Price in USD |
ASME SA182M SMO 254 Flange Price in UAE Dirham |
SMO UNS S31254 Slip-On Flange Price in India |
63974.92 |
$920.9 |
UAE Dirham 3382.70 |
254 SMO Threaded Flange Price List |
133820.06 |
$1926.3 |
UAE Dirham 7075.4 |
ASME SA182M SMO 254 Weld Neck Flange Price List |
65897.2 |
$950 |
UAE Dirham 348.94 |
Price of ASTM A182 SMO 254 3″ Blind Flange in India |
101106.64 |
$1455.4 |
UAE Dirham 5346.05 |
Price of UNS S31254 SMO 254 2-1/2″Slip-On Flange in Mumbai |
93756.71 |
$1349.6 |
UAE Dirham 4957.42 |
SMO UNS S31254 Weld Neck Flange Cost in Mumbai |
34509.3 |
$497.5 |
UAE Dirham 1827.3 |
ANSI B16.11 SMO 254 1-1/2″ blind flange Price in India |
43015.82 |
$619.2 |
UAE Dirham 2274.48 |
SMO DIN 1.4547 Slip on Flange Price in India |
62467.42 |
$899.2 |
UAE Dirham 3302.99 |
Cost of SMO 254 ASTM A182 2″Threaded Flange in India |
62623.2 |
$902.8 |
UAE Dirham 3316.21 |
ASME SA182M SMO 254 1-1/2″Weld Neck Flange Price in India |
54334 |
$783.3 |
UAE Dirham 2877.1 |
SMO 254 Flanges Flange Standards / Types and Pressure Class :
| ASME/ANSI B 16.5 | Slip on Flange, Welding Neck Flange, High Hub Blind Flange, Blind Flange,Lap Joint Flange, Socket Weld Flange, Ring Type Joint Flange, Threaded Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B], Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Slip on Flange, Welding Neck Flange, Threaded Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| BS 4504 SEC 3.1 | Hubbed Slip on Flange, Welding Neck Flange, Lapped Pipe End Flange, Hubbed Threaded Flange, Loose Plate Flange, Plate Flange, Blank Flange, Loose Plate With Weld Neck Flange |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Welding Neck Flange, Plate Flange, Hubbed Slip-On Hubbed Threaded,Blank Flange, Loose Plate With Weld On Plate Collar |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Socket Welding Flange, Welding Neck Flange, Blind Flange, Slip-On Flange, Lapped Flange, Screwed Boss Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Plate Slip-On Flange, Welding Neck Flange, Slip-On Boss Flange, Screwed Boss Flange, Blind Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
| AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) |
|
|---|
ASTM A182 Reducing Flanges |
SMO 254 Forged Flange |
ASTM A182 Puddle Flanges |
ASME SA182 Ring Type Joint Flange |
ASTM A182 Muffler Flanges |
SMO 254 Threaded Flanges |
ASTM A182 Pump Flanges |
ASTM A182 fastenersonline Flanges |
ASTM A182 Socket Weld Flanges |
SMO 254 Raised Face Weld Neck Flanges |
ASTM A182 Vacuum Flanges |
ASTM A182 Reducing Flange |
ASTM A182 Shower Rod Flanges |
ASTM A182 Sae Flanges |
Ansi 150 ASTM A182 Flanges |
SMO 254 Weld Neck Flange |
ASTM A182 Din Flanges |
SMO 254 Socket weld Flanges |
ASTM A182 Pressed Flanges |
ASTM A182 Threaded Flanges |
ASTM A182 Screwed Flanges |
ASTM A182 Clad Flanges |
ASTM A182 Stub End Flanges |
ASTM A182 Nickel WNRF Flange |
ASTM A182 Companion Flanges |
ASME SA182 Blind Flanges |
Custom ASTM A182 Flanges |
SMO 254 Blind Flange |
ASTM A182 Square Flanges |
ASTM A182 Ansi Flanges |
ASTM A182 Sbc Header Flanges |
SMO 254 Raised Face Blind Flanges |
ASTM A182 Tube Flanges |
ASTM A182 Nickel BLRF Flanges |
ASTM A182 Blank Flanges |
SMO 254 Orifice Flanges |
ASTM A182 Split Flanges |
SMO 254 Orifice Flanges |
ASTM A182 Class 150 Flanges |
ASTM A182 Duct Flanges |
ASTM A182 Bsp Flanges |
ASME SA182 Orifice Flanges |
ASTM A182 Cover Flanges |
SMO 254 Orifice Flanges |
Class 600 ASTM A182 Flanges |
ASME SA182 Socket weld Flanges |
Gaskets For ASTM A182 Flanges |
254 SMO™ Raised Face Slip On Flanges |
ASTM A182 Slip-On Pipe Flanges |
SMO 254 Socket weld Flanges |
ASTM A182 Handrail Flanges |
ASME SA182 Slip On Plate Flanges |
ASTM A182 Lap Joint Flanges |
SMO 254 Pipe Flanges |
ASTM A182 Long Weld Neck Flanges |
SMO 254 Exhaust Flanges |
High Pressure ASTM A182 Flanges |
SMO 254 Slip On Flanges |
ASTM A182 Metric Flanges |
ASME SA182 Header Flanges |
ASTM A182 Pipe Flanges |
ASME SA182 Reducing Flanges |
Large Diameter ASTM A182 Flanges |
ASTM A182 SWRF Flanges |
Table E ASTM A182 Flanges |
ASME B16.5 Socket weld Flanges |
ASTM A182 Floor Flanges |
SMO 254 Threaded Flanges |
ASTM A182 Pad Flanges |
SMO 254 RTJ Flanges |
ASTM A182 Reducing Flanges |
ASTM A182 Threaded Flanges |
ASTM A182 Forged Flanges |
ASME SA182 Threaded Flanges |
ASTM A182 Raised Face Flanges |
SMO 254 Long weld Neck Flanges |
ASTM A182 Backing Flanges |
SMO 254 RTJ Flanges |
ASTM A182 Plate Flanges |
ASTM A182 RTJ Flanges |
ASTM A182 Split Flanges |
SMO 254 Ring Type Joint Flanges |
ASTM A182 Ring Flanges |
ASME SA182 Long weld Neck Flanges |
ASTM A182 Header Flanges |
SMO 254 RTJ Flanges |
ASTM A182 Exhaust Flanges |
SMO 254 Reducing Flanges |
ASTM A182 Slip On Flanges |
SMO 254 Reducing Flange |
ASTM A182 Wnrf Flanges |
ASTM A182 Orifice Flanges |
ASTM A182 Threaded Reducing Flanges |
SMO 254 Long weld Neck Flanges |
ASTM A182 Turbo Flanges |
ASTM A182 Forged Flanges |
STANDARD |
WERKSTOFF NR. |
UNS |
SIS |
BS |
GOST |
AFNOR |
EN |
SMO 254 |
1.4547 |
S31254 |
2378 |
– |
– |
Z1 CNDU 20.18.06Az |
X1CrNiMoCuN20-18-7 |
Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2%Offset) |
Elongation |
8 g/cm3 |
1320-1390 ℃ |
650 |
300 |
35 % |
Grade |
C |
Mn |
Si |
Cu |
S |
P |
Mo |
Ni |
Cr |
SMO 254 |
0.02 |
1 |
0.08 |
0.5-1.0 |
0.01 |
0.03 |
6.0-6.5 |
17.5-18.5 |
19.5-20.5 |
Click on below links for Alloy Flanges dimensions
Flange Schedule/Class |
Pipe Size - Pipe Flanges |
Flange Connection Type |
Flange Material |
Max. Pressure |
|---|---|---|---|---|
ASME B16.5 Class 150 |
1/2" |
FNPT |
SMO 254 |
150 psi |
ASME B16.5 Class 150 |
1/2" |
Socket Weld |
Forged SMO 254 |
275 psi |
ASME B16.5 Class 150 |
1/2" |
Welded |
SMO 254 |
150 psi |
ASME B16.5 Class 150 |
3/4" |
FNPT |
SMO 254 |
150 psi |
ASME B16.5 Class 150 |
3/4" |
Socket Weld |
Forged SMO 254 |
275 psi |
ASME B16.5 Class 150 |
1-1/4" |
Socket Weld |
Forged SMO 254 |
275 psi |
ASME B16.5 Class 150 |
1-1/2" |
Socket Weld |
Forged SMO 254 |
275 psi |
ASME B16.5 Class 150 |
2" |
FNPT |
SMO 254 |
150 psi |
ASME B16.5 Class 150 |
2" |
Socket Weld |
Forged SMO 254 |
275 psi |
ASME B16.5 Class 150 |
2-1/2" |
Socket Weld |
Forged SMO 254 |
275 psi |
ASME B16.5 Class 150 |
3" |
Socket Weld |
Forged SMO 254 |
275 psi |
ASME B16.5 Class 150 |
4" |
FNPT |
SMO 254 |
150 psi |
ASME B16.5 Class 150 |
4" |
Socket Weld |
Forged SMO 254 |
275 psi |
ASME B16.5 Class 300 |
1/2" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
1/2" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
1" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
1" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
1-1/4" |
FNPT |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
1-1/4" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
1-1/2" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
1-1/2" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
2" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
2" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
2-1/2" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
2-1/2" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
3" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
3" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
4" |
Slip On |
Forged SMO 254 |
720 psi |
ASME B16.5 Class 300 |
4" |
Slip On |
Forged SMO 254 |
720 psi |
15mm (1/2") SMO 254 Flange Weight Chart
Standard |
Class |
Diameter |
Bolt Circle Diameter |
Number of Bolts |
Bolt Size |
Diameter of Bolt Hole |
|---|---|---|---|---|---|---|
AS4087 Flanges |
PN14 Flanges |
95 |
67 |
4 |
M12 |
14 |
AS 2129 Flange |
Table C Flanges |
95 |
67 |
4 |
13 |
14 |
Table D Flanges |
95 |
67 |
4 |
13 |
14 |
|
Table E Flanges |
95 |
67 |
4 |
13 |
14 |
|
Table F Flanges |
95 |
67 |
4 |
13 |
14 |
|
Table H Flanges |
114 |
83 |
4 |
16 |
17 |
|
Table J Flanges |
114 |
83 |
4 |
16 |
17 |
|
ANSI B16.5 Flanges |
ANSI 150 Flanges |
89 |
60 |
4 |
13 |
16 |
ANSI 300 Flanges |
95 |
67 |
4 |
13 |
16 |
|
ANSI 600 Flanges |
95 |
67 |
4 |
13 |
16 |
|
ANSI 900 Flanges |
121 |
83 |
4 |
19 |
22 |
|
ANSI 1500 Flanges |
121 |
83 |
4 |
19 |
22 |
|
ISO 7005 (DIN) Flange |
PN6 Flanges |
80 |
55 |
4 |
M10 |
11 |
PN10 Flanges |
95 |
65 |
4 |
M12 |
14 |
|
PN16 Flanges |
95 |
65 |
4 |
M12 |
14 |
|
PN20 Flanges |
90 |
60.5 |
4 |
M14 |
16 |
|
PN25 Flanges |
95 |
65 |
4 |
M12 |
14 |
|
PN40 Flanges |
95 |
65 |
4 |
M12 |
14 |
ASTM A182 254 SMO™ Ring Type Joint Flange |
ASTM A182 254 SMO™ Square Flange |
ASTM A182 254 SMO™ Blind Flange |
ASTM A182 254 SMO™ Reducing Flange |
ASTM A182 254 SMO™ Weld Neck Flange |
ASTM A182 254 SMO™ Socket Weld Flange |
ASTM A182 254 SMO™ Lap Joint Flange |
ASTM A182 254 SMO™ Plate Flange |
ASTM A182 254 SMO™ Orifice Flange |
ASTM A182 254 SMO™ Forged Flange |
ASTM A182 254 SMO™ Slip-On Flange |
ASTM A182 254 SMO™ Threaded Flange |
