Stainless Steel Flanges manufacturer in India

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PN16 ASTM A182 Forged Flanges and DN80 Stainless Steel Plate Flange supplier in Mumbai

What is Stainless Steel Flanges?
Flanges manufactured of stainless steel, one of the most widely utilised materials, are frequently employed in a variety of applications in a number of different industries. The stainless steel flanges have better physical qualities, including enhanced durability and good corrosion resistance. These flanges provide the necessary support for the piping system and are employed in both industrial and home settings. Additionally, different grades of stainless steel are simple to find and have varying chemical compositions. It implies that different stainless steel grades may have various characteristics. Flanges come in a variety of options, and each one has a different application. Customers should take into account the following four characteristics to select the best variety from among these:

  • The type of fluid being transported in the pipeline must be taken into account first. It would aid in selecting the appropriate flange. In order for the flange to survive a long time, it's crucial to take the fluid's temperature and pressure into account.
  • Another important factor is the fluid's integrity. For instance, businesses that work with dangerous fluids require a flange that is completely leak-proof. If not, the leak might poison the area and endanger the ecosystem. Clients would therefore require a stronger and tighter flange for such fluids.
  • Customers should use those flanges if the pipeline is transporting delicate fluids, such as those used in the pharmaceutical industry.

The key places in a pipeline are the joints and welds, hence it is crucial to thread them precisely. In addition to selecting the proper grade of fittings, even if it costs a little more, it is crucial to select the appropriate type of stainless steel flanges.
The qualities ofstainless steel flanges are distinctive, which is why they are so well-liked in a variety of businesses. They can successfully handle high temperatures, are exceedingly durable, and are corrosion resistant. They need relatively little maintenance and can last for many years. They are among the most economical options for piping accessories.

What are Stainless Steel Pipe Flange used for?
There are a wide range of flanges available in the market, and due to their unique structure, each has varied usage.

  • Weld neck flanges are employed in situations involving harsh and crucial conditions.
  • Slip-on flanges: These are appropriate for applications requiring minimal pressure.
  • Blind flanges: They aid in sealing the openings at the extremities of piping systems and pressure vessels.
  • Slip-on flanges with stub-end fittings are known as lap joint flanges. They work well for piping systems that require routine inspection and maintenance since they are simple to disassemble.
  • Small and high pressure pipes are used with socket weld flanges.
  • They are used with pipes that have threaded ends.
  • Orifice flanges are utilised to gain access to the line used to metre gases or liquids.
  • They are typically utilised in high temperature and pressure applications. Ring-type joint flange. they support

 

Stainless Steel Lap Joint Flange Vs Ss Slip On Flange
A type of slip-on flange that includes stub-end fittings is called a lap joint flange. They work well for piping systems that require routine inspection and maintenance since they are simple to disassemble. The slip-on flange, on the other hand, resembles a ring that has been fitted over a pipe's end. This means that before welding, they must be slid into the pipe. They are appropriate for applications requiring minimal pressure. As a result, it may be argued that the stainless steel lap joint flange andSS slip-on flange, nonetheless, the curved radius at the bore and face is the primary distinction. The latter has a location to store the lap-joint stub-ends. These qualities make them popular in settings where it is necessary to often disassemble the pipes.

How do you measure Stainless Steel Weld Neck Flange?
The stainless steel weld neck flanges Measure the flanges that are intended to be butt-fastened together to form a piping system. Given their lengthy necks, they are quite expensive, although they are frequently utilised in high stress applications. The stress is less likely to concentrate at the end of the WN flange because to the neck's assistance in transmitting it to the pipe. These flanges' bores are sized specifically to match the bore of the pipe. This facilitates simple fitting and lessens turbulence and erosion. Pressure vessels are less frequently utilised than pipes with weld neck flanges. They come in two varieties: regular and long. They can accommodate varied tastes because they come in various designs and sizes.

What Grade Of Stainless Steel Plate Flange Will Not Rust?
Due to its ability to resist corrosion, stainless steel flanges are widely used throughout the world. However, it's important to keep in mind that different grades of stainless steel have varying degrees of corrosion resistance. 304 grade ofstainless steel plate flangeis the most corrosion-resistant, making it unlikely that they would rust. They contain a significant amount of chromium, which is what gives them this feature. While Grade 316 and Grade 304 are comparable, the former has molybdenum added to its chemical makeup, which improves its corrosion resistant qualities. Despite the fact that ferritic and martensitic steel are less expensive than austenitic steel, their corrosion resistance standards are also lower since they include less chromium and nickel in their chemical makeup. Due to their ability to prevent stress corrosion cracking, which is typically associated with austenitic steel, duplex steels can be employed in certain circumstances. But it's important to keep in mind that even lower-grade stainless steel won't

Find 10-12% price difference at Raaj Sagar Steels if you buy directly from ss flanges manufacturers in India
Stainless Steel Flanges manufacturer in India

Stainless Steel Flanges manufacturer in India

Stainless Steel Flanges manufacturers in India offers wide selection of SS Lap Joint Flanges and ASTM A182 Puddle Flange in Mumbai, check latest price for all grades at a glance


Size Chart 1/2″(15 NB) to 48″ (1200NB)
Pressure Rating Chart ANSI 150 LBS, 300 LBS, 2500 LBS, 900 LBS, 600 LBS, 1500 LBS
UNI / EN 16Bar 6Bar 40Bar 10Bar 25Bar
Manufacturer of Connect Type/ Flange Face Type RF, RTJ, FF, LJF, Small Tongue, Large Tongue & Groove
JIS 16 K, 5K, 10 K, 20 K, 30 K, 40 K, 63 K
Coating Yellow Transparent, Zinc Plated, Anti-rust Paint, Oil Black Paint, Cold and Hot Dip Galvanized
Origin West Europe / Japan / Indian / USA / Korean
DIN Pressure Calculation 25Bar 40Bar 16Bar 6Bar 10Bar / PN64 PN10 PN25 PN16 PN6 PN40
Manufacturer of ANSI DIN, GOST, JIS, UNI, BS, AS2129, SABS, NFE, AWWA, EN etc.
Common Types By Manufacturer Threaded / Screwed / Forged / Plate
Equipment Press machine, Bending machine, Pushing Machine, Sand-blasting machine, electric bevelling machine etc
Test Direct-reading Spectrograph, Ultrasonic flaw detector, Magnetic particle detector, X-ray detector, Hydrostatic testing machine
Production Grades 316h SS / 317 SS / 317L SS / 321 SS / 321H SS / 347 SS / 304H SS / 347H SS / 310s SS / 446 SS / 304 SS / 304L SS / 316 SS / 316L SS / 310 SS / 347 SS / 904L SS
Production technique Used By Manufacturer Heat treated, Forged and machined
Standards Provided By Manufacturer API7S-43, API605, B16.48, ISO70051, MSS S44, ANSI/ASME B16.5, B16.47 Series A & B, BS4504, BS 10, EN-1092, DIN, API7S-15, JISB2220, BS1560-3.1, ASME/ANSI B16.5/16.36/16.47A/16.47B, EN1092

Biggest SS Flanges stockists, supplier, wholesalers, dealers, stockholders, distributor, importer, exporters and Manufacturer in Mumbai

NPS (Nominal Pipe Size) Loose (Lap Joint) NPT (Threaded) SORF (Slip On) BLRF (Blind) SWRF (Socket Weld) WRNR (Weld Neck)
½ 1 1 1 2 2 2
1 2 2 2 2 2 3
3 3 3 3 3 3
¾ 2 2 2 2 2 2
3 3 3 4 3 4
8 8 8 7 8 10
2 5 5 5 5 5 6
3 9 9 9 9 9 11.5
4 13 13 13 17 13 16.5
11 12 11 13 11 12
5 15 15 15 20 15 21
8 30 30 30 47 30 42
6 19 19 19 27 19 26
10 43 43 43 70 43 54
24 275 220 220 430 220 268
14 105 90 90 140 90 114
12 64 64 64 123 64 88
16 140 98 106 180 98 140
20 195 165 165 285 165 197
18 160 130 130 220 130 165
22 245 185 185 355 185 225

Manufacturing ANSI/ ASME B16.5 Class 150/ 600/ 900 Stainless Steel Orifice Flange and ASTM SA182 RTJ Flange for Oil, Gas and Chemical Process Plants

Temperature °F Class 150 Class 600 Class 1500 Class 400 Class 900 Class 300 Class 2500
-20 to 100 275 1440 3600 960 2160 720 6000
300 205 1080 2700 720 1620 540 4500
200 230 1200 3000 800 1800 600 5000
400 190 995 2485 660 1490 495 4140
600 140 875 2185 580 1310 435 3640
650 125 860 2150 575 1290 430 3580
500 170 930 2330 620 1395 465 3880
700 110 850 2125 565 1275 425 3540
750 95 830 2075 555 1245 415 3460
850 65 790 1980 530 1190 395 3300
800 80 805 2015 540 1210 405 3360
900 50 780 1945 520 1165 390 3240
950 35 765 1910 510 1145 380 3180
1000 20 640 1605 430 965 320 2675
1100 20 515 1285 345 770 255 2145
1150 20 400 995 265 595 200 1655
1050 20 615 1545 410 925 310 2570
1200 20 310 770 205 465 155 1285
1250 20 225 565 150 340 115 945
1300 20 170 430 115 255 85 715
1400 20 95 240 65 145 50 400
1350 20 125 310 80 185 60 515
1450 15 70 170 45 105 35 285
1500 10 55 135 35 80 25 230

Chromium Stainless Steel Slip on Flange Dimensions

Normal Pipe Size (NPS) Of Flanges (I.D.) Inside Diameter Thickness Of Raised Face (RF)
(T)
Outside Daimeter (O.D.) Raised Face
(R)
RF
(Raised Face)
Holes Of Bolts
(B)
H T1 Thickness Of Flat Face (FF)
(T2)
BC (Circle Of Bolt) Bolts Holes
Numbers
1/2 0.88 0.88 3.75 1.38 .063 0.62 1.50 0.50 0.82 2.62 4
1 1.36 1.06 4.88 2.00 .063 0.75 2.12 0.63 1.00 3.50 4
3/4 1.09 1.00 4.62 1.69 .063 0.75 1.88 .056 0.94 3.25 4
1-1/4 1.70 1.06 5.25 2.50 .063 0.75 2.50 0.69 1.00 3.88 4
2 2.44 1.31 6.50 3.62 .063 0.75 3.31 0.82 1.25 5.00 8
1-1/2 1.95 1.19 6.12 2.88 .063 0.88 2.75 0.75 1.13 4.50 4
2-1/2 2.94 1.50 7.50 4.12 .063 0.88 3.94 0.94 1.44 5.88 8
3 3.57 1.69 8.25 5.00 .063 0.88 4.62 1.06 1.63 6.62 8
3-1/2 4.07 1.75 9.00 5.50 .063 0.88 5.25 1.13 1.69 7.25 8
4 4.57 1.88 10.00 6.19 .063 0.88 5.75 1.19 1.82 7.88 8
5 5.66 2.00 11.00 7.31 .063 0.88 7.00 1.32 1.94 9.25 8
18 18.18 3.50 28.00 21.00 .063 1.38 21.00 2.32 3.44 24.75 24
6 6.72 2.06 12.50 8.50 .063 0.88 8.12 1.38 2.00 10.62 12
8 8.72 2.44 15.00 10.62 .063 1.00 10.25 1.56 2.38 13.00 12
10 10.88 2.62 17.50 12.75 .063 1.12 12.62 1.82 2.56 15.25 16
12 12.88 2.88 20.50 15.00 .063 1.25 14.75 1.94 2.82 17.75 16
14 14.14 3.00 23.00 16.25 .063 1.25 16.75 2.06 2.94 20.25 20
20 20.20 3.75 30.50 23.00 .063 1.38 23.12 2.44 3.69 27.00 24
16 16.16 3.25 25.50 18.50 .063 1.38 19.00 2.19 3.19 22.50 20
22 22.22 4.00 33.00 25.25 .063 1.63 25.25 2.57 3.94 29.25 24
24 24.25 4.19 36.00 27.25 .063 1.62 27.62 2.69 4.13 32.00 24
MSS SP-44 4 Inch/ 2 Inch Stainless Steel Reducing Flange/ Tube Flange and ASTM A351 SS Casting Flange manufacturer in India
Stainless Steel Flanges Price Per Piece in India Price Applicable for jan 2022 to june 2022 Price Applicable for July 2022 to December 2022
1/2 Inch Table E SS Slip On Plate Flange Per Piece US $6.72 US $8.72
PN16 DN15 1/2" Screwed Stainless Steel Flange 4 Hole, Dia 95mm Per Piece US $19.57 US $21.57
PN16 DN15 1/2" Slip On Stainless Steel Flange 4 Hole, Dia 95mm Per Piece US $13.58 US $15.58
PN16 DN25 1" Blank Stainless Steel Flange 4 Hole, Dia 115mm Per Piece US $28.23 US $30.23
150lb Raised Face Slip-on Flange Stainless Steel Per Piece $13.56 $15.56

Compare our price with other Stainless Steel Flanges manufacturer in India. This is an approximate Price of 3/8 SS Flange in India. Feel free to contact us latest Stocklist of Schedule 10 stainless steel flanges in Mumbai.

Grade C Mn Si P S Cr Mo Ni N Ti Fe
304 min. 18.0 8.0
max. 0.08 2.0 0.75 0.045 0.030 20.0 10.5 0.10
304L min. 18.0 8.0
max. 0.030 2.0 0.75 0.045 0.030 20.0 12.0 0.10
304H min. 0.04 18.0 8.0
max. 0.010 2.0 0.75 0.045 0.030 20.0 10.5
316 min. 16.0 2.03.0 10.0  
max. 0.035 2.0 0.75 0.045 0.030 18.0 14.0  
316L min. 16.0 2.03.0 10.0    
max. 0.035 2.0 0.75 0.045 0.030 18.0 14.0  
316TI 0.08 max 10.00 14.00 2.0 max 0.045 max 0.030 max 16.00 18.00 0.75 max 2.00 3.00
317 0.08 max 2 max 1 max 0.045 max 0.030 max 18.00 20.00 3.00 4.00 57.845 min
SS 317L 0.035 max 2.0 max 1.0 max 0.045 max 0.030 max 18.00 20.00 3.00 4.00 11.00 15.00 57.89 min
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 19.00 9.00 12.00 0.10 max 5(C+N) 0.70 max
SS 321H 0.04 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 19.00 9.00 12.00 0.10 max 4(C+N) 0.70 max
347/ 347H 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 20.00 9.0013.00
410 min. 11.5
max. 0.15 1.0 1.00 0.040 0.030 13.5 0.75
446 min. 23.0 0.10
max. 0.2 1.5 0.75 0.040 0.030 30.0 0.50 0.25
904L min. 19.0 4.00 23.00 0.10
max. 0.20 2.00 1.00 0.045 0.035 23.0 5.00 28.00 0.25
Grade Elongation Density Yield Strength (0.2%Offset) Melting Point Tensile Strength
304/ 304L 35 % 8.0 g/cm3 Psi 30000 , MPa 205 1400 °C (2550 °F) Psi 75000 , MPa 515
304H 40 % 8.0 g/cm3 Psi 30000 , MPa 205 1400 °C (2550 °F) Psi 75000 , MPa 515
310 / 310S / 310H 40 % 7.9 g/cm3 Psi 30000 , MPa 205 1402 °C (2555 °F) Psi 75000 , MPa 515
306/ 316H 35 % 8.0 g/cm3 Psi 30000 , MPa 205 1400 °C (2550 °F) Psi 75000 , MPa 515
316L 35 % 8.0 g/cm3 Psi 30000 , MPa 205 1399 °C (2550 °F) Psi 75000 , MPa 515
317 35 % 7.9 g/cm3 Psi 30000 , MPa 205 1400 °C (2550 °F) Psi 75000 , MPa 515
321 35 % 8.0 g/cm3 Psi 30000 , MPa 205 1457 °C (2650 °F) Psi 75000 , MPa 515
347 35 % 8.0 g/cm3 Psi 30000 , MPa 205 1454 °C (2650 °F) Psi 75000 , MPa 515
904L 35 % 7.95 g/cm3 Psi 32000 , MPa 220 1350 °C (2460 °F) Psi 71000 , MPa 490
STANDARD AFNOR UNS EN JIS BS WERKSTOFF NR. GOST
304 Z7CN18‐09 S30400 X5CrNi18-10 SUS 304 304S31 1.4301 08Х18Н10
304L Z3CN18‐10 S30403 X2CrNi18-9 / X2CrNi19-11 SUS 304L 3304S11 1.4306 / 1.4307 03Х18Н11
304H - S30409 - - - 1.4301 -
310 - S31000 X15CrNi25-20 SUS 310 310S24 1.4841 20Ch25N20S2
310S - S31008 X8CrNi25-21 SUS 310S 310S16 1.4845 20Ch23N18
310H - S31009 - - - - -
316 Z7CND17‐11‐02 S31600 X5CrNiMo17-12-2 / X3CrNiMo17-13-3 SUS 316 316S31 / 316S33 1.4401 / 1.4436 -
316L Z3CND17‐11‐02 / Z3CND18‐14‐03 S31603 X2CrNiMo17-12-2 / X2CrNiMo18-14-3 SUS 316L 316S11 / 316S13 1.4404 / 1.4435 03Ch17N14M3 / 03Ch17N14M2
316H - S31609 - - - 1.4401 -
316Ti Z6CNDT17‐123 S31635 X6CrNiMoTi17-12-2 SUS 316Ti 320S31 1.4571 08Ch17N13M2T
317 - S31700 - SUS 317 - 1.4449 -
317L - S31703 X2CrNiMo18-15-4 SUS 317L - 1.4438 -
321 - S32100 X6CrNiTi18-10 SUS 321 - 1.4541 -
321H - S32109 X12CrNiTi18-9 SUS 321H - 1.4878 -
347 - S34700 X6CrNiNb18-10 SUS 347 - 1.4550 08Ch18N12B
347H - S34709 X6CrNiNb18-12 SUS 347H - 1.4961 -
904L Z2 NCDU 25-20 N08904 X1NiCrMoCu25-20-5 SUS 904L 904S13 1.4539 STS 317J5L
Check EN 1092-1 Large Diameter Stainless Steel Flanges and ASTM A240/ A182/ A351 SS Pipe Flange dimensions, pressure rating, & price ex Mumbai
Ferritic SS Weld Neck Flanges

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15 NB Chromium Stainless Steel Long Weld Neck Flange

15 NB Chromium Stainless Steel Long Weld Neck Flange

Ferritic SS SWRF Flanges

Ferritic SS SWRF Flanges

150 LBS A182 SS Orifice Flanges

150 LBS A182 SS Orifice Flanges

Martensitic Stainless Steel Lapped Joint Flange

Martensitic Stainless Steel Lapped Joint Flange

SS Screwed Flange

SS Screwed Flange

900 LBS Martensitic SS Tongue & Groove Flange

900 LBS Martensitic SS Tongue & Groove Flange

SA182 SS Ring Joint Flange

SA182 SS Ring Joint Flange

1500 LBS Austenitic Stainless Steel WNRF Flange

1500 LBS Austenitic Stainless Steel WNRF Flange

Stainless Steel Forged Flanges

Stainless Steel Forged Flanges

Chromium Nickel SS Girth Flanges

Chromium Nickel SS Girth Flanges

2500 LBS Chromium Nickel SS Reducing Flanges

2500 LBS Chromium Nickel SS Reducing Flanges

Martensitic Stainless Steel Spectacle Blind Flange

Martensitic Stainless Steel Spectacle Blind Flange

600 LBS Chromium Stainless Steel Slip On Flange

600 LBS Chromium Stainless Steel Slip On Flange

SS SORF Flanges

SS SORF Flanges

ASTM A182 SS Expander Flanges

ASTM A182 SS Expander Flanges

300 LBS Stainless Steel BLRF Flanges

300 LBS Stainless Steel BLRF Flanges

Austenitic Stainless Steel Threaded Flange

Austenitic Stainless Steel Threaded Flange

Ferritic SS Blind Flange

Ferritic SS Blind Flange

5000 NB Ferritic SS Socket Weld Flange

5000 NB Ferritic SS Socket Weld Flange

ASME SA182 SS Nipoflange Flanges

ASME SA182 SS Nipoflange Flanges

316h Stainless Steel Flanges

316h Stainless Steel Flanges

317 Stainless Steel Flanges

317 Stainless Steel Flanges

317L Stainless Steel Flanges

317L Stainless Steel Flanges

321 stainless steel Flanges

321 stainless steel Flanges

321H Stainless Steel Flanges

321H Stainless Steel Flanges

347 Stainless Steel Flanges

347 Stainless Steel Flanges

347H Stainless Steel Flanges

347H Stainless Steel Flanges

304H Stainless Steel Flanges

304H Stainless Steel Flanges

310s Stainless Steel Flanges

310s Stainless Steel Flanges

446 Stainless Steel Flanges

446 Stainless Steel Flanges

SS 321 Flanges

SS 321 Flanges

  • ASME B16.5 Steel pipe flanges dimensioning standard
  • ASME B16.47 Steel flanges with a large diameter
  • MSS SP 44 Standard for steel pipe line flanges

Stainless Steel Flanges Manufacturing Process

Size in Inch Size in mm Flange Thickness Outer Dia. Hole Size RF Stud Length RF Dia. No of Bolts RF Height Bolt Size UNC PCD ISO Stud Size Weight in kg
B A C D E
1/21522.31207/811034.9473/482.6M201.8
12528.6150112550.8477/8101.6M243.6
1 1/43228.6160112563.5477/8111.1M244.1
3/42025.41307/811542.9473/488.9M202.7
1 1/24031.81801 1/814073471123.8M275.9
25038.1215114592.1877/8165.1M2410.1
38038.12401145127877/8190.5M2413
410044.52901 1/4170157.2871 1/8235M3024.5
2 1/26541.32451 1/8160104.8871190.5M2716
512550.83501 3/8190185.7871 1/4279.4M3339.5
205001088552 1/8350584.22072749.3M52463
615055.63801 1/4190215.91271 1/8317.5M3053
820063.54701 1/2220269.91271 3/8393.7M3691
1025069.95451 1/2235323.81671 3/8469.9M36132
1435085.86401 5/8275412.82071 1/2558.8M39237
1640088.97051 3/4285469.92071 5/8616M42273
1230079.46101 1/22553812071 3/8533.4M36189
18450101.67852325533.42071 7/8685.8M48367
24600139.710402 5/8440692.22072 1/2901.7M64875
DN
(mm)
NPS
(Inches)
FLANGE THICKNESS D
MM
FLANGE OD
A MM
SLIP ON FLANGE WEIGHT (KGS)
151/ 211.288.90.4
203/ 412.798.60.6
321 1/ 415.7117.31
25114.21080.8
401 1/ 217.51271.3
50219.1152.42.1
652 1/ 222.4177.83.3
80323.9190.53.9
903 1/ 223.9215.94.8
100423.9228.65.3
125523.92546.1
150625.4279.47.5
200828.4342.912.1
2501030.2406.416.5
3001231.8482.626.2
3501435.1533.434.6
4001636.6596.944.8
4501839.663548.9
5002042.9698.561.9
6002447.8812.886.9

SS Slip on Flange Dimensions

Size in InchSize in mmNo of BoltsOuter Dia.Hub ODISO Stud SizeFlange LengthRF HeightFlange Thick.RF Dia.PCDHole SizeSocket BoreWeight in kg
ACDFBEGH
1/21549030M141429.634.960.35/822.20.8
125411049M1416212.750.879.45/834.50.9
3/420410038M1414211.242.969.95/827.70.9
1 1/432411559M1419214.363.588.95/843.21.4
250415078M1624217.592.1120.73/461.92.3
1 1/240412565M1421215.97398.45/849.51.4
2 1/265418090M1627220.7104.8139.73/474.63.2
3804190108M1629222.3127152.43/490.73.7
41008230135M1632222.3157.2190.53/4116.15.9
3 1/2908215122M1630222.3139.7177.83/4103.45
51258255164M2035222.3185.7215.97/8143.86.8
82008345246M2043227269.9298.57/8221.513.7
1025012405305M2448228.6323.83621276.219.5
61508280192M2038223.9215.9241.37/8170.78.6
1230012485365M2454230.2381431.8132729
2460020815663M3381246.1692.2749.31 3/8616100
1640016595457M2762235469.9539.81 1/8410.554
1845016635505M3067238.1533.4577.91 1/4461.859
1435012535400M2756233.4412.8476.31 1/8359.241
2050020700559M3071241.3584.26351 1/4513.175

SS Blind Flanges Dimensions

Size in Inch Size in mm ISO Stud Size RF Height Outer Dia. RF Dia. Hole Size PCD No of Bolts Bolt Size UNC Flange Thickness RF Stud Length Weight in kg
D A C E B
1/215M20713534.97/888.943/430.21203.2
3/420M20714042.97/895.243/431.81253.7
125M24716050.8110847/8351405
1 1/432M27718563.51 1/8130.24138.11507.8
1 1/240M307205731 1/414641 1/844.517010.5
250M27723592.11 1/8171.48150.918018
2 1/265M307265104.81 1/4196.881 1/857.219525.5
380M3373051271 3/8228.681 1/466.722039
4100M397355157.21 5/827381 1/276.225561.5
5125M457420185.71 7/8323.881 3/492.1300102
6150M527485215.92 1/8368.382108345157
8200M527550269.92 1/8438.2122127380241
10250M647675323.82 5/8539.8122 1/2165.1490470
12300M7277603812 7/8619.1122 3/4184.2540575
Size in Inch RF Dia. Size in mm Machine Bolt Length Flange Thickness ISO Stud Size PCD No of Bolts Bolt Size UNC Outer Dia. RF Height RF Stud Length Hole Size Weight in kg
C B E A D
1/234.915509.6M1460.341/2902555/80.9
150.8255512.7M1479.441/21102655/80.9
1 1/463.5325514.3M1488.941/21152705/81.4
3/442.9205011.2M1469.941/21002655/80.9
1 1/273406515.9M1498.441/21252705/81.8
292.1507017.5M16120.745/81502853/42.3
3127807522.3M16152.445/81902903/44.1
3 1/2139.7907522.3M16177.885/82152903/45.9
4157.21007522.3M16190.585/82302903/47.7
5185.71258522.3M20215.983/42552957/89.1
2 1/2104.8657520.7M16139.745/81802903/43.2
6215.91508523.9M20241.383/428021007/811.8
8269.92009027M20298.583/434521107/820.5
10323.825010028.6M24362127/84052115132
1238130010030.2M24431.8127/84852120150
14412.835011533.4M27476.312153521351 1/864
16469.940011535M27539.816159521351 1/882
18533.445012538.1M30577.9161 1/863521451 1/4100
20584.250014041.3M30635201 1/870021601 1/4130
24692.260015046.1M33749.3201 1/481521701 3/8196
Size in Inch PCD Flange Thickness RF Stud Length RF Dia. RF Height ISO Stud Size Outer Dia. No of Bolts Machine Bolt Length Bolt Size UNC Hole Size Size in mm Weight in kg
E B C D A
1/266.712.76534.92M14954551/25/8151.4
188.915.97550.82M161254655/83/4251.4
1 1/498.417.58563.52M161354705/83/4321.8
3/482.614.37542.92M161154655/83/4201.4
1 1/2114.319.190732M201554753/47/8402.7
212720.79092.12M161658755/83/4503.7
3168.3271101272M202108903/47/8807.3
2 1/2149.223.9100104.82M201908853/47/8655.5
3 1/2184.228.6110139.72M202308953/47/8909.6
420030.2115157.22M202558953/47/810012.3
523533.4120185.72M2028081103/47/812515.9
8330.239.7140269.92M24380121207/8120036
6269.935120215.92M20320121103/47/815022.7
10387.446.1160323.82M274451614011 1/825057
14514.452.4180412.82M30585201601 1/81 1/4350113
12450.849.31703812M30520161451 1/81 1/430084
16571.555.6190469.92M33650201651 1/41 3/8400134
20685.862205584.22M33775241851 1/41 3/8500230
18628.658.8195533.42M33710241701 1/41 3/8450181
24812.868.3230692.22M39915242051 1/21 5/8600359
FlangeTolerance Table
DInside Diameter (I.D.)
  • 10" and smaller: ±1/32" (0.8 mm)
  • 12" thru 18": +1/8" (3.2 mm)
  • 20" and larger: -1/16" (1.6 mm)
KLength of hub
  • 10" and smaller: ±1/16" (1.6 mm)
  • 12" and larger: ±1/8" (3.2 mm)
BDiameter of contact face
  • 1/16" raised face: ±1/32" (0.8 mm)
  • 1/4" RF (Raised Face), T/G (Tongue & Groove), (male & female), (m/f): ±1/64" (0.4 millimeter)
AO.D. (Outside Diameter)
  • When O.D. (Outside Diameter) is 24" or less: ±1/16" (1.6 millimeter)
  • When O.D. (Outside Diameter) is over 24": ±1/8" (3.2 millimeter)
JDiameter of hub at base
  • When hub base is 24" or smaller: ±1/16" (1.6 millimeter)
  • When hub base is over 24": ±1/8" (3.2 millimeter)
PDrilling
  • Circle Bolts: ±1/16" (1.6 mm)
  • Bolts hole spacing: ±1/32" (0.8 mm)
Eccentricity of bolt circle with respect to facing
  • 2 1/2" and smaller ±1/32" (0.8 mm) maximum
  • 3" and larger ±1/16" (1.6 mm) maximum
HDiameter of hub at point of welding
  • 5" and smaller: +3/32" (2.4 mm), -1/32" (0.8 mm)
  • 6" and larger: +5/32" (4.0 mm), -1/32 (0.8 mm)
CThickness
  • 18" and smaller: ±1/8" (3.2 mm), -0"
  • 20" and larger: ±3/16" (4.8 mm), -0"
HS Code 73072100 FLANGES OF STAINLESS STEEL
  • Paper & Pulp
  • Refineries
  • Nuclear Power
  • Power Plants
  • Marine Applications
  • Fossil Fuel Power Plants
  • Ship Building
  • Oil And Gas Industry
ASTM
Specification
Class
15030040060090015002500
A182-F304
A182-F304H
425110014502175325054009000

1 psi (lb/in2) = 6,894.8 Pa (N/m2)

  • Direct-reading Spectrograph
  • UI trasonic flaw detector
  • Hydrostatic testing machine
  • X-ray detector
  • Magnetic particle detector
  • Flattening Test
  • PMI Testing
  • Hardness Test
  • Pitting Resistance Test
  • Flaring Test
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