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Stainless Steel 321 Flanges Manufacturer

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ASTM A182 Stainless Steel F321 Groove & Tongue Flanges, SS JIS SUS 321 Slip on Flanges Manufacturer in India.

Unifit Metalloys Inc is a renowned supplier and seller of Stainless Steel 321 Flanges, which are also being used in production of plastics and construction materials. Meanwhile, depending on several sizes, these Stainless Steel 321 Slip On Flanges require 10 percent to 75 percent of less material than a flanged connection, which signifies of having lower weight with lower material cost. Stainless Steel 321 Threaded Flanges is being made directly from a part of seamless pipe material, by applying pressure and heat to alter pipe directly into an elbow or other form. These Stainless Steel 321 Forged Flanges are having no welded components by itself, and are characteristically demanded in a few critical appliances. These Stainless Steel 321 Weld Neck Flanges are used for in semiconductor manufacturing, such as in microchips that go into electronics equipment.

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Stainless Steel 321 Blind Flanges, Stainless Steel UNS S32100 Spacer Ring Flanges, Stainless Steel 321 Flanges, SS EN X6CrNiTi18-10 Long weld Neck Flanges Supplier in Mumbai, India.

Stainless Steel 321 Flanges

Get a best quote for ANSI B16.11 Stainless Steel 321 Flanges from Leading Manufacturer, Buy F321 Weld Neck Flanges/Slip On Flanges at Best Price in India.


Stainless Steel 321 Socket Weld Flanges is used in different materials such as from roofing to glassmaking for windows, and also to copper wiring for transferring electricity, and to a range of plastics all through office buildings and residential houses. These Stainless Steel 321 Blind Flanges offer most favorable flow properties, devoid of having pockets or sharp corners, which eventually creates less frictional resistance, less turbulence, no pressure loss, and so on. We manufacturer characteristically specialize in special types of materials like Stainless Steel 321 Spectacle Blind Flanges, where distributors can easily take narrow or exceptionally broad product lines.

Stainless Steel 321 Flanges Specification

Specifications ASTM A182 / ASME SA182
Flange Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Flange 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 Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Flange Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Flanges Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
ASME SA 182 Flange 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
Flange UNI 6Bar 10Bar 16Bar 25Bar 40Bar
Flange EN 6Bar 10Bar 16Bar 25Bar 40Bar
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Most common types of Flange Forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Flange Production technique Forged, Heat treated and machined
Flange 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
Special design

As per your drawing AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations
ASME A182 Flange Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
ASTM A182 Flange Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Flange Origin Indian / West Europe / Japan / USA / Korean
Manufacturer of Flange

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
ASTM A182 F321 Flange: -BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange

B.S: BS4504 , BS3293, BS1560, BS10
AS 2129: Table D; Table E; Table H
ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
American standard (ANSI)
German (DIN)
British standard (BS)

DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 ASTM A182 F316 Stainless Steel Flanges
The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
ASME SA182M Flange Uses & application Bitumen upgraders.
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.
EN 1092-1 Flange Export to Ireland, Singapore, Indonesia, Ukraine, Saudi & Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

ASTM A182 F321 Stainless Steel Flanges Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 321 1.4541 S32100 SUS 321 - - - X6CrNiTi18-10

Grade F321 Stainless Steel Flanges Chemical Composition

Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 - 19.00 0.10 max 9.00 - 12.00 5(C+N) – 0.70 max

ASTM A182 Stainless Steel 321 Flanges Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

SS 321 Flanges Types

Stainless Steel 321 Weld Neck Flanges
Stainless Steel 321 Weld Neck Flanges
Stainless Steel 321 Slip-on Flanges
Stainless Steel 321 Slip-on Flanges
Stainless Steel 321 Blind Flanges
Stainless Steel 321 Blind Flanges
Stainless Steel 321 Socket weld Flanges
Stainless Steel 321 Socket weld Flanges
Stainless Steel 321 Long Weld Neck Flanges
Stainless Steel 321 Long Weld Neck Flanges
Stainless Steel 321 Orifice Flanges
Stainless Steel 321 Orifice Flanges
Stainless Steel 321 Lap Joint Flanges
Stainless Steel 321 Lap Joint Flanges
Stainless Steel 321 Spectacle Blind Flanges
Stainless Steel 321 Spectacle Blind Flanges
Stainless Steel 321 Nipolet Flanges
Stainless Steel 321 Nipolet Flanges
Stainless Steel 321 RTJ Flanges
Stainless Steel 321 RTJ Flanges
Stainless Steel 321 Groove & Tongue Flanges
Stainless Steel 321 Groove & Tongue Flanges
Stainless Steel 321 Screwed Flanges
Stainless Steel 321 Screwed Flanges

Stainless Steel 321 Flanges Manufacturing Standards

American Steel Flanges Standard
Standard Code Standard Name
ANSI ASME SA-182 Forged Flanges
ANSI ASME B16.5 Slip on flange, Welding neck flange, Blind flange, Threaded flange, Lap joint flange, RTJ flange
ASME – B 16.47 Welding neck flange, Blind flange
ASME – B 16.36 Welding neck flange Slip on flange
German Steel Flanges Standard
DIN 2527 Steel Blind Flanges, BLRF
DIN 2573 / 2576 Flat Flange for Welding (Slip On)
DIN 2673 Loose Flanges and Rings for Welding (Slip On Flanges and Plain Collars)
DIN 2641 / 2642 Lapped / Loose (Lap Joint) Flanges Plain Collars
DIN 28115 Long Neck Welding Flanges
DIN PN10, PN16 SS 321 PN10 Flanges, 321 SS DIN PN 10 Flanges, 321 SS PN16 Flange
DIN PN20, PN25 SS 321 PN20 Flanges, 321 SS DIN PN 25 Flanges
DIN PN40, PN50 SS 321 PN40 Flanges, 321 SS DIN PN 50 Flanges
Japanese Steel Flanges Standard
JIS B2220 Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL)
JIS B2291 Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL)
JIS 5K, 10K SS 321 5K SORF Flanges, 321 SS 10K SOFF Flanges
JIS 16K, 20K SS 321 16K Blind Flanges, 321 SS 20K BLRF Flanges
JIS 30K, 40K SS 321 30K Slip on Flanges, 321 SS 40K Blind Flanges
Italian Flanges Standard
UNI FLANGES Plan flanges (2276, 2277, 2278, 6083, 6084) Welding neck (2280, 2281, 2282, 2283, 2284, 2285, 2286) Lapped flanges (6088, 6089, 6090, 2999, 2300) Blind flanges (6091, 6092, 6093, 6094, 6095, 6096, 6097) threaded flanges (2253, 2254)
British Standard Pipe Flanges Standard
BS 10 Table D SS 321 BS 10 Table D Flanges, 321 Table D Pipe Flange
BS 10 Table E SS 321 BS 10 Table E Flanges, 321 Table E Pipe Flange
BS 10 Table F SS 321 BS 10 Table E Flanges, 321 Stainless Steel Table E Flanges
BS 10 Table H SS 321 BS 10 Table E Flanges, Stainless Steel 321 Table E Pipe Flanges

Other Types of Grade 321 Stainless Steel Flanges in Stock

  • SS 321 Male & Female Flanges
  • Stainless Steel EN X6CrNiTi18-10 RTJF Flanges
  • F321 SS Flanges Facing Type & Finish
  • 321 Stainless Steel Paddle Blind Flanges
  • Stainless Steel 321 Backing Ring Flanges
  • Stainless Steel UNS S32100 Flanges Manufacturer
  • 321 SS High Hub Blind Flange
  • 321 SS Custom Flanges
  • Stainless Steel 321 Weldolet Flange
  • SS DIN 1.4541 WNRF Flange
  • 321 Stainless Steel Ring Spacer Flanges
  • ASTM A182 SS Fs321 Male & Female Flanges
  • 321 SS Swivel Ring Flange
  • Stainless Steel 321 Flanges Stockists
  • SS JIS SUS 321 Weld Neck Flanges
  • Stainless Steel EN X6CrNiTi18-10 Raised Face Flanges
  • 321 Stainless Steel Plate Flange
  • SS 321 Nipolet Flange
  • 321 Stainless Steel Slip on Flanges
  • SS 321 Socket weld Flanges Dealer in India
  • Stainless Steel 321 Tongue and Groove Flange
  • Stainless Steel 321 Blind Flanges / Dummy Flange
  • SS 321 RTJ Flanges
  • Stainless Steel DIN 1.4541 Spades Ring Spacers Flanges
  • F321 Stainless Steel BLRF Flanges Supplier
  • SS 321 Class 300 Flange Weight In KG
  • Stainless Steel 321 Class 600 Flange Weight In KG
  • ASME SA182 F321 SS Expander Flanges at Best Price
  • 321 Stainless Steel Class 900 Flange Weight In KG
  • SS 321 Lap Joint Flange
  • SS 321 Socket Weld Flanges
  • Stainless Steel 321 Square Flanges
  • Stainless Steel 321 Spectacle Blind Flanges
  • Stainless Steel 321 Orifice Flanges
  • SS 321 Expander Flanges
  • Stainless Steel 321 Reducing Flanges
  • SS EN X6CrNiTi18-10 Reducing Flanges Supplier
  • Grade 321 Stainless Steel Weldo Flanges

Manufacturer and Supplier of ASTM A182 SS F321 Slip On Flanges/ Socket Weld Flanges in India, view weight chart & dimensions

ASTM A182 F321 Flanges Schedule / Class

Flange Schedule/Class Pipe Size - Pipe Flanges Flange Connection Type Max. Pressure
ASME B16.5 Class 150 1/2" FNPT 150 psi
ASME B16.5 Class 150 1/2" Socket Weld 275 psi
ASME B16.5 Class 150 1/2" Welded 150 psi
ASME B16.5 Class 150 3/4" FNPT 150 psi
ASME B16.5 Class 150 3/4" Socket Weld 275 psi
ASME B16.5 Class 150 1-1/4" Socket Weld 275 psi
ASME B16.5 Class 150 1-1/2" Socket Weld 275 psi
ASME B16.5 Class 150 2" FNPT 150 psi
ASME B16.5 Class 150 2" Socket Weld 275 psi
ASME B16.5 Class 150 2-1/2" Socket Weld 275 psi
ASME B16.5 Class 150 3" Socket Weld 275 psi
ASME B16.5 Class 150 4" FNPT 150 psi
ASME B16.5 Class 150 4" Socket Weld 275 psi
ASME B16.5 Class 300 1/2" Slip On 720 psi
ASME B16.5 Class 300 1/2" Slip On 720 psi
ASME B16.5 Class 300 1" Slip On 720 psi
ASME B16.5 Class 300 1" Slip On 720 psi
ASME B16.5 Class 300 1-1/4" FNPT 720 psi
ASME B16.5 Class 300 1-1/4" Slip On 720 psi
ASME B16.5 Class 300 1-1/2" Slip On 720 psi
ASME B16.5 Class 300 1-1/2" Slip On 720 psi
ASME B16.5 Class 300 2" Slip On 720 psi
ASME B16.5 Class 300 2" Slip On 720 psi
ASME B16.5 Class 300 2-1/2" Slip On 720 psi
ASME B16.5 Class 300 2-1/2" Slip On 720 psi
ASME B16.5 Class 300 3" Slip On 720 psi
ASME B16.5 Class 300 3" Slip On 720 psi
ASME B16.5 Class 300 4" Slip On 720 psi
ASME B16.5 Class 300 4" Slip On 720 psi

ASME B16.5 Stainless Steel 321 Pipe Flanges Dimensions In MM

NPS
(in.)		 Stainless Steel F321 Flanges Dimensions
Dia. of
Flange
(in.)		 No.
of
Bolts		 Dia. of
Bolts
(in.)		 Dia. of
Bolt Holes
(in.)		 Bolt
Circle
(in.)
1/4 3-3/8 4 1/2 0.62 2-1/4
1/2 3-1/2 4 1/2 0.62 2-3/8
3/4 3-7/8 4 1/2 0.62 2-3/4
1 4-1/4 4 1/2 0.62 3-1/8
1-1/4 4-5/8 4 1/2 0.62 3-1/2
1-1/2 5 4 1/2 0.62 3-7/8
2 6 4 5/8 0.75 4-3/4
2-1/2 7 4 5/8 0.75 5-1/2
3 7-1/2 4 5/8 0.75 6
3-1/2 8-1/2 8 5/8 0.75 7
4 9 8 5/8 0.75 7-1/2
5 10 8 3/4 0.88 8-1/2
6 11 8 3/4 0.88 9-1/2
8 13-1/2 8 3/4 0.88 11-3/4
10 16 12 7/8 1 14-1/4
12 19 12 7/8 1 17
14 21 12 1 1.12 18-3/4
16 23-1/2 16 1 1.12 21-1/4
18 25 16 1-1/8 1.25 22-3/4
20 27-1/2 20 1-1/8 1.25 25
24 32 20 1-1/4 1.38 29-1/2

UNS S32100 Stainless Steel Flange Pressure Rating

ASME Pressure Temperature Ratings For Stainless Steel 321 Flanges
Temperature °F Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
-20 to 100 275 720 960 1440 2160 3600 6000
200 230 600 800 1200 1800 3000 5000
300 205 540 720 1080 1620 2700 4500
400 190 495 660 995 1490 2485 4140
500 170 465 620 930 1395 2330 3880
600 140 435 580 875 1310 2185 3640
650 125 430 575 860 1290 2150 3580
700 110 425 565 850 1275 2125 3540
750 95 415 555 830 1245 2075 3460
800 80 405 540 805 1210 2015 3360
850 65 395 530 790 1190 1980 3300
900 50 390 520 780 1165 1945 3240
950 35 380 510 765 1145 1910 3180
1000 20 320 430 640 965 1605 2675
1050 20 310 410 615 925 1545 2570
1100 20 255 345 515 770 1285 2145
1150 20 200 265 400 595 995 1655
1200 20 155 205 310 465 770 1285
1250 20 115 150 225 340 565 945
1300 20 85 115 170 255 430 715
1350 20 60 80 125 185 310 515
1400 20 50 65 95 145 240 400
1450 15 35 45 70 105 170 285
1500 10 25 35 55 80 135 230

Pressure Rating of Stainless Steel 321 Pipe Flanges

ASME/ANSI B 16.5 Blind Flange, High Hub Blind Flange, Slip on Flange, Welding Neck Flange, Socket Weld Flange, Ring Type Joint Flange, Lap 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, Threaded Flange, Welding Neck Flange,
PRESSURE CLASS 300, 400, 600, 900, 1500, 2500
BS 4504 SEC 3.1 Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange, Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange,
PRESSURE CLASS PN 2.5 TO PN 40
BS 4504[PART 1] Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange, Welding Neck Flange, Hubbed Slip-On Hubbed Threaded,
PRESSURE CLASS PN 2.5 TO PN 400
BS 1560 BOSS Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange, Welding Neck Flange, Hubbed Slip-On Hubbed Threaded,
PRESSURE CLASS 150, 300, 400, 600, 900, 1500, 2500
BS10 Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On 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

Stainless Steel ASTM A182 F321 Flanges Suppliers in India

City We Supply Flanges
Bengaluru Mumbai Chennai Hyderabad Kolkata Pune
New Delhi Ahmedabad Jaipur Surat Salem Gandhinagar
Bhiwandi Tiruppur Sivakasi Jamnagar Thiruvananthapuram Rajahmundry
Bhubaneswar Vijaywada Firozabad Bokaro Steel City Rajkot Bharuch
Panna Raipur Cochin Ludhiana Panipat Durgapur
Peenya Pimpri-Chinchwad Channapatna Kharagpur Nashik Bareilly
Varanasi Haldia Rourkela Bangalore Moradabad Indore
Visakhapatnam Trivandrum Pithampur Dibrugarh Angul Gwalior
Coimbatore Kannur Nagpur Vadodara Rudrapur Noida
Agra Bhagalpur Jamshedpur Bhilai Lucknow Kanpur
Thane Bhopal Sri City Bareilly Hosdurg Pithampur

Stainless Steel 321 Flanges Exporter in India

Countries we export Flanges worldwide:
Manama Atyrau Kuwait Netherlands Iran
Bahrain Qatar UAE Africa China
Nigeria Mexico Canada Venezuela United Kingdom
United States South Africa Malaysia Bangladesh Turkey
Singapore Sri Lanka Australia Brazil Germany
France Italy South Korea Poland Belgium
Russia Vietnam Jordan Portugal Egypt
Morocco Israel Costa Rica Iraq Madagascar
Kazakhstan Thailand Romania Philippines Spain
Hongkong Taiwan Japan Ukraine Chile