
SMO 254 Flange Recap
- Sizes: 1/2″ to 48″
- Pressure Class: Class 150-2500
- Type: Forging & Casting
- State : Solid Solution
- Connection: Welding

SMO 254 Slip on Flange

Grade SMO 254 Blind Flange

UNS S31254 Weld Neck Flanges
- Standard Specification of SMO 254 Flanges
- SMO Steel Flanges Wall Thickness
- Pressure Ratings Of Alloy 254 SMO Long Weld Neck Flange
- What Are the Welding Methods Of Alloy 254 Socket Weld Flange
- Size Range of Grade SMO 254 Pipe Flange
- Standards Of SS 254 SMO Pipe Flange
- Heat Treatment Of UNS S31254 6mo Slip On Flange
- Dimension Table of 254 SMO Plate Flange
- Application Of 254 SMO Blind Flanges
- Types of SMO 254 Flanges
- Pressure Classes Of 254 SMO Forged Flanges
- Chemical Properties of Alloy 254 Flange
- Mechanical Strength Table of DIN 1.4547 Flanges
- Equivalent Material of UNS S31254 Pipe Flange
- Weight Chart Of SMO 254 Slip on Flange
- Grade SMO 254 Reducing Flange Manufacturing Equipment
- Physical Properties Of 6MO Weld Neck Flange
- 254 SMO steel RTJ Flanges Filler Metal
- What Are The Documents Provided With Alloy 254 Plate Flanges?
- What Are Advantages Of UNS S31254 Weld Neck Flanges
- Quality Tests Performed For ASTM A182 F44 Slip On Flanges
Find SMO 254 Flange Manufacturer In India Who Offers Flanges With Various Finish


- Weld Neck
- Blind
- Slip On
- Socket Weld
- NPS: 1/2″ to 48″
- SCH: Sch 5 to XXS
- Class:150 to 2500#
- Custom Size Available
- ASTM A182 | ASME SA 182
- MSS SP44
- ASME B16.47 Series A & B
- ASME B16.5

- High tensile strength
- Low maintenance
- Excellent resistance
- Flange Bolts
- Gasket
- Ring Joint

- NDT
- X-ray Detector
- Hydro test

- T&G
- RF
- FF
- RTJ

- Serrated
- Mirror
- Spiral/Concentric
- Smooth
- Korean
- European
- Indian
- Japan
- NPT
- BSPT
- FNPT, MNPT
- BSPP
- Forging
- Cutting
- Casting
- Rolling

- Hardness test
- Tensile
- Pressure
- PMI
ASTM A182 UNS S31254 Slip On Flange Manufacturer in India With Sch 5 to XXS
Check SMO 254 Flange Manufacturer In India Who provides Flanges With Sch 5 to XXS
| Nom Pipe Size | OD | Sch 40 | Sch 10 | Sch 80 | Sch 30 | Sch 60 | EXT Hvy | STD Wall |
|---|---|---|---|---|---|---|---|---|
| ½ | 0.84 | 0.109 | 0.083 | 0.147 | …….. | …….. | 0.147 | 0.109 |
| 1 ½ | 1.9 | 0.145 | 0.109 | 0.2 | …….. | …….. | 0.2 | 0.145 |
| 1 | 1.315 | 0.133 | 0.109 | 0.179 | …….. | …….. | 0.179 | 0.133 |
| ¾ | 1.05 | 0.113 | 0.083 | 0.154 | …….. | …….. | 0.154 | 0.113 |
| 1 ¼ | 1.66 | 0.14 | 0.109 | 0.191 | …….. | …….. | 0.191 | 0.14 |
| 2 | 2.375 | 0.154 | 0.109 | 0.218 | …….. | …….. | 0.218 | 0.154 |
| 2 ½ | 2.875 | 0.203 | 0.12 | 0.276 | …….. | …….. | 0.276 | 0.203 |
| 3 | 3.5 | 0.216 | 0.12 | 0.3 | …….. | …….. | 0.3 | 0.216 |
| 4 | 4.5 | 0.237 | 0.12 | 0.337 | …….. | …….. | 0.337 | 0.237 |
| 3 ½ | 4 | 0.226 | 0.12 | 0.318 | …….. | …….. | 0.318 | 0.226 |
| 5 | 5.563 | 0.258 | 0.134 | 0.375 | …….. | …….. | 0.375 | 0.258 |
| 8 | 8.625 | 0.322 | 0.148 | 0.5 | 0.277 | 0.406 | 0.5 | 0.322 |
| 6 | 6.625 | 0.28 | 0.134 | 0.432 | …….. | …….. | 0.432 | 0.28 |
| 10 | 10.75 | 0.365 | 0.165 | 0.594 | 0.307 | 0.5 | 0.5 | 0.365 |
| 14 | 14 | 0.438 | 0.25 | 0.75 | 0.375 | 0.594 | 0.5 | 0.375 |
| 12 | 12.75 | 0.406 | 0.18 | 0.688 | 0.33 | 0.562 | 0.5 | 0.375 |
| 16 | 16 | 0.5 | 0.25 | 0.844 | 0.375 | 0.656 | 0.5 | 0.375 |
| 20 | 20 | 0.594 | 0.25 | 1.031 | 0.5 | 0.812 | 0.5 | 0.375 |
| 18 | 18 | 0.562 | 0.25 | 0.938 | 0.438 | 0.75 | 0.5 | 0.375 |
| 22 | 22 | …….. | 0.25 | …….. | …….. | …….. | 0.5 | 0.375 |
| 26 | 26 | …….. | …….. | …….. | …….. | …….. | 0.5 | 0.375 |
| 24 | 24 | 0.688 | 0.25 | 1.219 | 0.562 | 0.969 | 0.5 | 0.375 |
Get FF and RF Face Alloy 254 SMO Blind and Weld Neck Flange With Class 150 to 2500#
SMO 254 Flange Supplier in India Offere Wide Range Of Flanges In #150-#2500
| Temp °F | Pressure Temperature Ratings | ||||||
|---|---|---|---|---|---|---|---|
| # 300 | # 400 | # 2500 | # 150 | # 600 | # 900 | # 1500 | |
| 300 | 540 | 720 | 4500 | 205 | 1080 | 1620 | 2700 |
| 500 | 465 | 620 | 3880 | 170 | 930 | 1395 | 2330 |
| -20 – 100 | 720 | 960 | 6000 | 275 | 1440 | 2160 | 3600 |
| 750 | 415 | 555 | 3460 | 95 | 830 | 1245 | 2075 |
| 850 | 395 | 530 | 3300 | 65 | 790 | 1190 | 1980 |
| 650 | 430 | 575 | 3580 | 125 | 860 | 1290 | 2150 |
| 1050 | 310 | 410 | 2570 | 20 | 615 | 925 | 1545 |
| 1150 | 200 | 265 | 1655 | 20 | 400 | 595 | 995 |
| 950 | 380 | 510 | 3180 | 35 | 765 | 1145 | 1910 |
| 1350 | 60 | 80 | 515 | 20 | 125 | 185 | 310 |
| 1450 | 35 | 45 | 285 | 15 | 70 | 105 | 170 |
| 1250 | 115 | 150 | 945 | 20 | 225 | 340 | 565 |
| 700 | 425 | 565 | 3540 | 110 | 850 | 1275 | 2125 |
| 400 | 495 | 660 | 4140 | 190 | 995 | 1490 | 2485 |
| 200 | 600 | 800 | 5000 | 230 | 1200 | 1800 | 3000 |
| 1300 | 85 | 115 | 715 | 20 | 170 | 255 | 430 |
| 900 | 390 | 520 | 3240 | 50 | 780 | 1165 | 1945 |
| 1100 | 255 | 345 | 2145 | 20 | 515 | 770 | 1285 |
| 800 | 405 | 540 | 3360 | 80 | 805 | 1210 | 2015 |
| 1400 | 50 | 65 | 400 | 20 | 95 | 145 | 240 |
| 600 | 435 | 580 | 3640 | 140 | 875 | 1310 | 2185 |
| 1000 | 320 | 430 | 2675 | 20 | 640 | 965 | 1605 |
| 1500 | 25 | 35 | 230 | 10 | 55 | 80 | 135 |
| 1200 | 155 | 205 | 1285 | 20 | 310 | 465 | 770 |

Supplier Of Tensile Tested WNR 1.4547 Threaded Flange in Mumbai With Size 1/2 to 48″ or Custom
- Alloy 254 Flange : 1/2″ (15 NB) to 48″ (1200NB)
- 254 SMO Slip on Flange : 1/2″ NB – 12″ NB
- UNS S31254 6mo Blind Flange : 1/2″ NB – 24″ NB
- ASME B16.5
- MSS SP-44
- ASME B16.47
- EN-1092
- API605
- ASME B16.48
Buy Forged and Rolled 6mo Socket Weld Flange Suitable to Work At Temperature Range 149-1204°C
| Annealing | 1149-1204°C (2100-2200°F) |
|---|---|
| Hot Working | 982 – 1149°C (1800 – 2100°F) |
| Forging | 2370/1920ºF (1300/1050ºC) |
Purchase SMO 254 Flange Stockist In India offering flanges With wide range of dimensions
| Standard | Class | Dia of Bolt Hole | Bolt Circle Dia | Dia | No of Bolts | Bolt Size |
|---|---|---|---|---|---|---|
| AS4087 | PN14 | 14 | 67 | 95 | 4 | M12 |
| ISO 7005 (DIN) | PN10 | 14 | 65 | 95 | 4 | M12 |
| PN6 | 11 | 55 | 80 | 4 | M10 | |
| PN20 | 16 | 60.5 | 90 | 4 | M14 | |
| PN40 | 14 | 65 | 95 | 4 | M12 | |
| PN25 | 14 | 65 | 95 | 4 | M12 | |
| PN16 | 14 | 65 | 95 | 4 | M12 | |
| AS 2129 | Table C | 14 | 67 | 95 | 4 | 13 |
| Table D | 14 | 67 | 95 | 4 | 13 | |
| Table J | 17 | 83 | 114 | 4 | 16 | |
| Table F | 14 | 67 | 95 | 4 | 13 | |
| Table H | 17 | 83 | 114 | 4 | 16 | |
| Table E | 14 | 67 | 95 | 4 | 13 | |
| ANSI B16.5 | ANSI 150 | 16 | 60 | 89 | 4 | 13 |
| ANSI 600 | 16 | 67 | 95 | 4 | 13 | |
| ANSI 1500 | 22 | 83 | 121 | 4 | 19 | |
| ANSI 900 | 22 | 83 | 121 | 4 | 19 | |
| ANSI 300 | 16 | 67 | 95 | 4 | 13 |
Offer European and American Origin 254 SMO Stainless Steel Lap Joint Flanges For Electric Power and Marine
SMO 254 Flanges Supplier in India Provides Flanges For Applications In Varoius Industries

SMO 254 Flange Supplier In India Offers Extensive Selection For Flanges

UNS S31254 SORF Flange

SMO 254 Forged Flanges

Alloy 254 Reducing Flange

A182 F44 BLRF Flanges

6MO Square Flanges

254 SMO Spectacle Blind Flanges

EN 1.4547 High Hub Blind Flanges

254 Stainless Steel Orifice Flanges

6 Moly Alloy Screwed Flanges

A182 F44 material Socket Weld Flanges

SMO 254 SWRF Flange

6MO Ring Type Joint Flanges

Alloy 254 RTJ Flanges

1.4547 steel WNRF Flanges

ASTM A182 gr F44 Threaded Flanges

254 SMO Lap Joint Flanges

EN 1.4547 stainless steel Expander Flanges

SMO Metal Weld Neck Flanges Series A or

254 SMO steel Groove & Tongue Flanges

6 Moly Alloy Weldo Flange

254 Stainless Steel Nipo Flange
- Class 150
- Class 300
- Class 600
- Class 900
- Class 1500
- Class 2500
SMO 254 Flange Manufacturer In India Gives Flange With Accurate Chemical Properties
Ni
Nickel
17.5 -18.5
Cr
Chromium
19.5-20.5
Mo
Molybdenum
6-6.5
Cu
Copper
0.5-1
View SMO 254 Flange Stockist In India Providing Flanges with enhanced properties
| Density | Yield Strength | Melting Point | Tensile Strength | Elongation |
|---|---|---|---|---|
| 8.0 g/cm3 | 300 | 1320-1390 ℃ | 650 | 35 % |
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | SIS | GOST |
|---|---|---|---|---|---|---|---|
| SMO 254 | S31254 | 1.4547 | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 | – | 2378 | – |
Leading SMO 254 Flange Stockist In India Who Offers precise weight chart of flanges
| NPS (Inch) | O.D. | Dia of Hub | Thickness (min) | Thread Length | Dia of Raised Face | No of Bolts | Length Hub.Y | Bolt Holes Dia | Bolts Dia (Inch) | Bolt Circle Dia | KG | LB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1-1/2″ | 127 | 65 | 17.50 | 22.40 | 73.20 | 4 | 22.40 | 15.80 | 1/2″ | 98.60 | 1.5 | 3.3 |
| 1″ | 108 | 49.30 | 14.20 | 17.50 | 50.80 | 4 | 17.50 | 15.80 | 1/2″ | 79.30 | 0.8 | 1.8 |
| 3-1/2″ | 216 | 122.20 | 23.90 | 31.80 | 139.70 | 8 | 31.80 | 19.10 | 5/8″ | 177.80 | 5.1 | 11.2 |
| 1/2″ | 89 | 30.20 | 11.20 | 15.70 | 35.10 | 4 | 15.70 | 15.80 | 1/2″ | 60.50 | 0.4 | 0.9 |
| 5″ | 254 | 163.60 | 23.90 | 36.60 | 185.70 | 8 | 36.60 | 22.40 | 3/4″ | 215.90 | 7 | 15.4 |
| 20″ | 698.50 | 558.80 | 42.90 | 73.20 | 584.20 | 20 | 73.20 | 31.80 | 1 1/8″ | 635 | 76 | 167 |
| 12″ | 482.50 | 365.30 | 31.80 | 55.60 | 381 | 12 | 55.60 | 25.40 | 7/8″ | 431.80 | 29 | 64 |
| 10″ | 406.50 | 304.80 | 30.20 | 49.30 | 323.90 | 12 | 49.30 | 25.40 | 7/8″ | 362 | 18 | 39.5 |
| 2-1/2″ | 178 | 90.40 | 22.40 | 28.40 | 104.60 | 4 | 28.40 | 19.10 | 5/8″ | 139.70 | 3.7 | 8.1 |
| 8″ | 343 | 246.10 | 28.40 | 44.50 | 269.70 | 8 | 44.50 | 22.40 | 3/4″ | 298.50 | 13 | 28.6 |
| 16″ | 597 | 457.20 | 36.60 | 63.50 | 469.90 | 16 | 63.50 | 28.50 | 1″ | 539.80 | 47 | 103 |
| 1-1/4″ | 117.50 | 58.70 | 15.70 | 20.60 | 63.50 | 4 | 20.60 | 15.80 | 1/2″ | 88.90 | 1.2 | 2.6 |
| 18″ | 635 | 505 | 39.60 | 68.30 | 533.40 | 16 | 68.30 | 31.80 | 1 1/8″ | 577.90 | 57 | 126 |
| 24″ | 813 | 663.40 | 47.80 | 82.60 | 692.20 | 20 | 82.60 | 35.10 | 1 1/4″ | 749.30 | 97 | 214 |
| 6″ | 279.50 | 192 | 25.40 | 39.60 | 215.90 | 8 | 39.60 | 22.40 | 3/4″ | 241.30 | 8.4 | 18.5 |
| 3/4″ | 98.50 | 38.10 | 12.70 | 15.70 | 42.90 | 4 | 15.70 | 15.80 | 1/2″ | 69.90 | 0.7 | 1.5 |
| 3″ | 190.50 | 108 | 23.90 | 30.20 | 127 | 4 | 30.20 | 19.10 | 5/8″ | 152.40 | 4.1 | 9 |
| 4″ | 228.50 | 134.90 | 23.90 | 33.30 | 157.20 | 8 | 33.30 | 19.10 | 5/8″ | 190.50 | 5.9 | 13 |
| 14″ | 533.50 | 400.10 | 35.10 | 57.20 | 412.80 | 12 | 57.20 | 28.50 | 1″ | 476.30 | 39 | 86 |
| 2″ | 152.50 | 77.70 | 19.10 | 25.40 | 91.90 | 4 | 25.40 | 19.10 | 5/8″ | 120.70 | 2.3 | 5.1 |
- Press machine
- Sand-blasting machine
- Pushing Machine
- Bending machine
- Electric bevelling machine
| Density | 8.0 kg/dm³ |
|---|---|
| Modulus of Elasticity | 195 GPa |
| Linear Expansion at 68 to 212°F (20 to 100°C) | 16.5 X10-⁶/°C |
| Thermal Conductivity | 14 w/m°C |
| Thermal Capacity | 500 J/kg°C |
| Electrical Resitivity | 0.85 μΩm |
- AWS A5.14 ERNiCrMo-3
- alloy 625
- Electrodes Should Match With AWS A5.11 ENiCrMo-12
- Commercial Invoice
- Certificate of Origin
- Raw Material Test Reports
- Quality Assurance Plan
- Guarantee Letter
- NABL Lab Report
- Welding Procedure Specification
- Fumigation Certificates

- Hardness Test
- Flattening Test
- Micro and MacroTest
- Flaring Test
- ntergranular Corrosion (IGC) Test
- Chemical Analysis
| Export to | Continent | Shipping Time in Days | Port |
|---|---|---|---|
![]() Oman |
Asia | 5 | Salalah |
![]() Bahrain |
Asia | 9 | Khalifa Bin Salmanq |
![]() Kuwait |
Asia | 10 | Shuwaikh |
| Export To | Continent | Shipping Time in Days | Port |
|---|---|---|---|
![]() Spain |
Europe | 30 | Barcelona |
![]() South Africa |
Africa | 25-30 | Mossel Bay Harbour |
![]() Italy |
Europe | 28 | Genoa |






