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Stainless Steel Flanges Manufacturer in India

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Trusted SS Flanges Supplier in Mumbai As Per ASTM A182

Stainless Steel Flanges Specification
List of 5 Important Documents for Saudi Arabian Buyers to purchase Stainless Steel Flanges from India
Documents Explanation
Commercial Invoice Transaction Details
Certificate of Origin Proof of Origin
Bill of Lading Shipment Confirmation
Material Test Certificate Quality Assurance
Packing List Shipment Breakdown
Manisha Steel Centre

Table of Content

Stainless Steel Flanges Specification
Stainless Steel Flanges Sizes

Stainless Steel Flanges Sizes

  • SCH: Sch 5 to XXS
  • NPS: 1/2 to 48"
  • Class:150 to 2500

Stainless Flanges Manufacturing Process

Stainless Flanges Manufacturing Process

  • Forging
  • Casting
  • Rolling/Cutting
SS Flanges Face

SS Flanges Face

  • LJF
  • RF
  • FF
  • RTJ
  • T&G
SS SORF Flange Threads

SS SORF Flange Threads

  • NPT
  • BSPT
  • FNPT
  • BSPP
  • MNPT
Stainless Steel Pipe Flange Standards

Stainless Steel Pipe Flange Standards

  • ASTM A182 | ASME SA 182
  • ASME B16.5
  • MSS SP44
  • ASME B16.47 Series A & B
ASTM A182 Flanges Types

ASTM A182 Flanges Types

  • Weld Neck
  • Socket Weld
  • Blind
  • Slip On
  • Lap Joint
Stainless Pipe Flanges Finish

Stainless Pipe Flanges Finish

  • Concentric/Spiral
  • Mirror
  • Smooth
  • Serrated
SS Pipe Flanges Testing

SS Pipe Flanges Testing

  • Hardness
  • Tensile
  • Pressure
  • PMI
Stainless Steel Blind Flange Supporting Material

Stainless Steel Blind Flange Supporting Material

  • Flange Bolts
  • Gaskets
  • Ring Joint
SS Flange Grade

SS Flange Grade

  • 316 / 316L, 347
  • 904L, 304 / 304L
  • 317L
  • 321 etc.
SS Forged Flanges Connection Type

SS Forged Flanges Connection Type

  • Threaded
  • Welded
  • Bolted

Stainless Steel Exhaust Flanges Origin

Stainless Steel Exhaust Flanges Origin

  • Indian, Korean
  • Japan
  • European
Stainless Steel Floor Flange Meet Requirement

Stainless Steel Floor Flange Meet Requirement

  • NACE MR0103/MR0175
  • ISO 15156
  • Sour Service
SS Flange Application

SS Flange Application

  • Pressure Vessels
  • Food and Beverage Industry
  • Aerospace
  • Chemical Processing

Get Stainless Steel Blind and Slip On Flange With NPS 1/2 to 48" According to ASME B16.5

Manufacturing Standards Of Stainless Flanges
Stainless Steel Flanges Specification (Latest edition) Pressure Class Item Type Size Range
ASME/ANSI B16.47 75 to 300,
400, 600
900LBS		 Orifice Flanges ( Slip-on, Weld neck, Threaded) 1/2 to 12"
26 to 60"
26 to 48"
ASME/ANSI B16.5 150 - 1500LBS
150 - 2500LBS		 Weld Neck, Blind, Socket Weld, Slip-on, Lap Joint and Threaded Flanges 26“ to 60"
26“ to 48"
EN 1092-1 / DIN / BS 4504 Flanges
PN25
PN2.5 to PN16
PN40
PN100
PN63
PN320
PN250
PN400
PN160		 02 (Loose plate flange for Types 32—37), 01 (Plate flange), 05 (Blind flange), 04 (Loose plate flange for Type 34), 12 (Hubbed slip-on flange), 11 (Weld-neck flange), 13 (Hubbed
10 to 1000mm
10 to 1800mm
10 to 350mm
10 to 400mm
10 to 600mm
10 to 250mm
10 to 200mm
10 to 300mm
ASME/ANSI B16.9/MSS SP-43 S40, S10, S80 Stub end -Type:B, A, C (Short pattern) ½ to 24”
ASME/ANSI B16.36 300 to 2500LBS Orifice Flanges ( Slip-on, Weld neck,Threaded) 1 to 12"
BS 10 TABLE- D, A,E, H, F, K, J, S, R,T Slip-on, Blind and Welding neck flanges 15 to 600mm
SS Flange Size chart

Stainless Steel Flanges Manufacturer in India in Odd Sizes With Various Surface Finish and Threads

SS Flange Size chart

 

Nominal Pipe Size (NPS) Number of Bolts Outside Diameter (OD) (in) Bolt Circle Diameter (in) Overall Thickness (in) Bolt Hole Diameter (in) Raised Face Thickness (RF) (in)
¾ 4 3.88 2.75 0.44 0.63 0.06
½ 4 3.50 2.38 0.38 0.63 0.06
24 20 32.00 29.50 2.19 1.38 0.06
1¼ 4 4.62 3.50 0.56 0.63 0.06
1 4 4.25 3.12 0.50 0.63 0.06
1½ 4 5.00 3.88 0.63 0.75 0.06
2½ 4 7.00 5.50 0.75 0.75 0.06
2 4 6.00 4.75 0.69 0.75 0.06
4 8 9.00 7.50 0.94 0.75 0.06
3 4 7.50 6.00 0.81 0.75 0.06
6 8 11.00 9.50 1.06 0.88 0.06
5 8 10.00 8.50 1.00 0.88 0.06
8 8 13.50 11.75 1.19 0.88 0.06
12 12 19.00 17.00 1.44 1.00 0.06
10 12 16.00 14.25 1.31 1.00 0.06
14 12 21.00 18.75 1.56 1.13 0.06
18 16 25.00 22.75 1.81 1.25 0.06
16 16 23.50 21.25 1.69 1.13 0.06
20 20 27.50 25.00 1.94 1.25 0.06

Buy SS Floor and Weld Neck Flange With Pressure 150 to 2500#, See Stainless Steel Pipe Flanges Price List

Stainless Steel Pipe Flange Pressure Rating
ANSI/ASME B16.34 PRESSURE RATING CHART
Stainless Steel Flanges Temperature °F 600# 300# 150# 400# 1500# 900# 2500#
-20 to 100 1440 720 275 960 3600 2160 6000
300 1080 540 205 720 2700 1620 4500
200 1200 600 230 800 3000 1800 5000
400 995 495 190 660 2485 1490 4140
600 875 435 140 580 2185 1310 3640
500 930 465 170 620 2330 1395 3880
650 860 430 125 575 2150 1290 3580
750 830 415 95 555 2075 1245 3460
700 850 425 110 565 2125 1275 3540
800 805 405 80 540 2015 1210 3360
900 780 390 50 520 1945 1165 3240
850 790 395 65 530 1980 1190 3300
950 765 380 35 510 1910 1145 3180
1050 615 310 20 410 1545 925 2570
1450 70 35 15 45 170 105 285
1000 640 320 20 430 1605 965 2675
1150 400 200 20 265 995 595 1655
1100 515 255 20 345 1285 770 2145
1250 225 115 20 150 565 340 945
1200 310 155 20 205 770 465 1285
1350 125 60 20 80 310 185 515
1300 170 85 20 115 430 255 715
1400 95 50 20 65 240 145 400
1500 55 25 10 35 135 80 230
SS Flange Price List

Are You Looking for the Most Recent SS Flange Price List? To get an estimate right away, send an email to kalpesh@manishasteelcentre.com.

Stainless Steel Flanges Price List
Size in mm Aprox. Wt/Unit CIF
INR 		FOB
INR 		CIF
USD 		FOB
USD 		CIF
STGP 		FOB
STGP 		CIF
EURO$ 		FOB
EURO$
15 0.49 337.50 310.50 5.114 4.705 3.444 3.168 6.136 5.645
20 0.66 422.50 388.70 6.402 5.889 4.311 3.966 7.682 7.067
25 0.99 573.75 527.85 8.693 7.998 5.855 5.386 10.432 9.597
32 1.29 675.00 621.00 10.227 9.409 6.888 6.337 12.273 11.291
40 1.70 810.00 745.20 12.273 11.291 8.265 7.604 14.727 13.549
50 2.77 1266.25 1164.95 19.186 17.651 12.921 11.887 23.023 21.181
65 4.26 1687.50 1552.50 25.568 23.523 17.219 15.842 30.682 28.227
80 5.23 2430.00 2235.60 36.818 33.873 24.796 22.812 44.182 40.647
100 7.78 3476.25 3198.15 52.670 48.457 35.472 32.634 63.205 58.148
200 20.92 9281.25 8538.75 140.625 129.375 94.707 87.130 168.750 155.250
150 11.88 5670.00 5216.40 85.909 79.036 57.857 53.229 103.091 94.844
250 30.86 13500.00 12420.00 204.545 188.182 137.755 126.735 245.455 225.818
125 9.20 4218.75 3881.25 63.920 58.807 43.048 39.605 76.705 70.568
Offer Stainless Steel Threaded and Exhaust Flanges With Various Threads like NPT, FNPT, MNPT etc.
What are Common Factors Used to Identify Stainless Steel Flange?
Common Factors Used to Identify Stainless Steel Flange
  • Material Grade
  • Pressure Rating
  • Dimensions and Size
  • Type of Flange
  • Standards and Specifications
  • Surface Finish
  • Corrosion Resistance
  • Connection Type
  • Markings and Stamping
  • Application and Service Conditions
SS Flange Grade
Stainless Steel Flanges Grades Standard
BS BS4504, BS10, BS4504, BS1560
DIN DIN2635, DIN2634, DIN2637, 2631, DIN DIN2576, DIN2632, DIN2636, DIN2573, DIN2566, DIN2655, DIN2641, DIN2673 DIN2627, DIN2642, DIN2628, DIN2633, DIN2527, DIN2638, DIN2656, DIN2629
SS 316TI ASTM A240, A479, A276
SS 310 ASTM A182, A240, A479, A276
904L A182
416 A582
SS 431 ASTM A479, A 276
SS 321 ASTM A276/A182/ A240
SS 410 ASTM A479/ ASTM A276
SS 420 ASTM A479
317 & 317L A182, A276
SS 316/316L ASTM A276/ ASTM A182/ASTM A240/ASTM A479
SS 304/304L ASTM A182/ ASTM A276/ ASTM A479/ASTM A240
430 A582
347H ASTM A479/ASTM A182
17.4 PH ASTM A 564
Keep Ready Stock Of Stainless Steel Forged Flanges including Socket Weld, Lap Joint, Plate etc.
Connection Types Of Stainless Pipe Flanges

Stainless Steel Flanges Supplier in India Stock With Various Pressure Rating and Finishes

Stainless Steel Weld Neck Flange

Stainless Steel Weld Neck Flange

SS Blind Flange

SS Blind Flange

Stainless Steel Slip on Flange

Stainless Steel Slip on Flange

ASTM A182 Stainless Steel Socket Weld Flange

ASTM A182 Stainless Steel Socket Weld Flange

Stainless Steel Threaded Pipe Flange

Stainless Steel Threaded Pipe Flange

SS Lap Joint Flange

SS Lap Joint Flange

Stainless Steel Exhaust Flanges

Stainless Steel Exhaust Flanges

Stainless Steel Header Flanges

Stainless Steel Header Flanges

SS Puddle Flange

SS Puddle Flange

Dimensions Of SS Pipe Flanges
CLASS Nominal Pipe Size SS Threaded Flange SS Weld Neck Flange SS Slip On Flange SS Lap Joint Flange SS Socket Weld Flange SS Blind Flange
150 lb 1¼ 3 3 3 3 3 3
¾ 2 2 2 2 2 2
½ 1 2 1 1 2 2
1 2 3 2 2 2 2
2 5 6 5 5 5 5
1½ 3 4 3 3 3 4
3 9 11.5 9 9 9 9
2½ 8 10 8 8 8 7
4 13 16.5 13 13 13 17
3½ 12 12 11 11 11 13
6 19 26 19 19 19 27
5 15 21 15 15 15 20
10 43 54 43 43 43 70
8 30 42 30 30 30 47
14 90 114 90 105 90 140
12 64 88 64 64 64 123
18 130 165 130 160 130 220
16 98 140 106 140 98 180
22 185 225 185 245 185 355
20 165 197 165 195 165 285
24 220 268 220 275 220 430

 

CLASS Nominal Pipe Size Threaded Slip On Socket Weld Blind Lap Joint Weld Neck
300 lb ¾ 3 3 3 3 3 3
½ 2 2 3 2 2 2
1 3 3 3 4 3 4
2½ 10 10 10 12 10 12
1½ 6.5 6.5 6 7 6.5 7
1¼ 4.5 4.5 4 6 4.5 5
2 7 7 7 8 7 9
3½ 17 17 17 21 17 20
3 14 13 13 16 14.5 18
5 31 29 28 37 28 36
4 24 23.5 22 28 24 26.5
8 58 58 58 81 58 69
6 39 39 39 50 39 45
12 115 115 115 185 140 142
10 81 81 81 124 91 100
16 220 210 190 315 234 250
14 165 165 165 250 190 206
20 325 315 315 515 375 400
18 280 253 250 414 305 320
24 490 490 475 800 550 580
22 370 370 370 640 435 465

 

CLASS Nominal Pipe Size Threaded Slip On Socket Weld Blind Lap Joint Weld Neck
400 lb ¾ 3 3 3 3 3 3.5
  ½ 2 2 2 2 2 3
1¼ 4.5 4.5 4.5 6 4.5 4.5
1 3.5 3.5 3.5 4 3.5 4
2 8 8 8 10 8 10
1½ 6.5 6.5 6.5 8 6.5 8
3 15 15 15 20 14 18
2½ 12 12 12 15 11 14
4 26 26 26 33 25 35
3½ 21 21 21 29 20 26
6 44 44 44 61 42 57
5 31 31 31 44 29 43
10 91 91 91 155 110 125
8 67 67 67 100 64 89
14 191 191 191 310 210 233
12 130 130 130 226 152 175
18 310 310 310 502 345 360
16 253 253 253 398 280 295
22 405 405 405 720 455 505
20 378 378 378 621 420 445
24 539 539 539 936 615 640

 

CLASS Nominal Pipe Size Threaded Slip On Socket Weld Blind Lap Joint Weld Neck
  ¾ 3 3 3 4 3 4
600 lb ½ 2 2 2 3 2 3
1¼ 5 5 5 6 5 6
1 4 4 4 4 4 4
2 9 9 9 10 9 12
1½ 7 7 7 8 7 8
3 16 16 16 20 15 23
2½ 13 13 13 15 12 18
4 37 37 37 41 36 42
3½ 21 21 21 29 20 26
6 80 80 80 86 78 81
5 63 63 63 68 63 68
10 177 177 177 231 195 190
8 15 115 15 140 112 120
14 259 259 259 378 290 347
12 215 215 215 295 240 226
18 476 476 476 665 469 555
16 366 366 366 527 400 481
22 590 590 590 1000 670 720
20 612 612 612 855 604 690
24 876 876 876 1250 866 977

 

CLASS Nominal Pipe Size Threaded Slip On Socket Weld Blind Lap Joint Weld Neck
900 lb 1 7.5 7.5 7.5 9 7.5 8.5
¾ 6 6 6 6 6 7
  ½ 6 6 6 4 6 7
1½ 14 14 14 14 14 14
1¼ 10 10 10 10 10 10
2½ 31 31 31 32 25 31
2 22 22 22 25 21 24
4 53 53 53 54 51 53
3 36 36 36 35 29 36
6 110 110 110 115 105 110
5 83 83 83 87 81 86
10 245 245 245 290 277 268
8 172 172 172 200 190 187
14 400 400 400 520 415 562
12 326 326 326 415 371 372
18 647 647 647 880 670 924
16 459 459 459 619 488 685
24 1480 1480 1480 2099 1659 2107
20 792 792 792 1107 868 1164

 

CLASS Nominal Pipe Size Threaded Slip On Socket Weld Blind Lap Joint Weld Neck
1500 lb ¾ 6 6 6 6 6 7
  2 25 25 25 25 25 25
1¼ 10 10 10 10 10 10
1 8 8 8 9 8 9
½ 6 6 6 4 6 7
1½ 14 14 14 14 14 14
3 48 48 48 48 47 48
2½ 36 36 36 35 35 36
5 132 132 132 140 140 132
4 73 73 73 73 75 73
8 260 260 260 302 286 275
6 165 165 165 160 170 165
12 667 667 667 775 749 690
10 436 436 436 510 485 455
16 1250 1250 1250 1300 1250 1250
14 940 940 940 975 890 940
20 2050 2050 2050 2225 1775 2050
18 1625 1625 1625 1750 1475 1625
24 2825 2825 2825 3625 2825 3325

 

CLASS Nominal Pipe Size Threaded Weld Neck Slip On Lap Joint Socket Weld Blind
2500 lb 1¼ 18 20 …. 17 …. 18
¾ 9 9 …. 8 …. 10
½ 7 8 …. 7 …. 7
1 12 13 …. 12 …. 12
2 38 42 …. 37 …. 39
1½ 25 28 …. 24 …. 25
3 83 94 …. 80 …. 86
2½ 55 52 …. 53 …. 56
5 210 244 …. 204 …. 223
4 127 146 …. 122 …. 133
8 485 576 …. 471 …. 533
6 323 378 …. 314 …. 345
12 1300 1608 …. 1262 …. 1464
10 925 1068 …. 897 …. 1025

 

SS SORF Flange Application
SS SORF Flange Application
  • Chemical Plants
  • Power Generation
  • Gas & Water Pipe Line
  • Industrial Machineries
  • Oil & Gas Exploration
  • Petrochemicals and Refineries
  • Food Industry.
  • Plate Heat Exchangers
  • Household Goods
  • Building Materials
Stainless Steel Floor Flange Dimensional Tolerances
Welding neck
* outside diameter O.D. 600 if smaller + 1.6 _
250 and smaller + 0.7 _
O.D. over 600 + 3.1 _
inside diameter 12 though 450 + 1.6 _
(bore) 500 and larger – 1.6 + 3.1
1.6 raised face + 0.4 _
contact face groove male and female + 0.4 _
diameter of 6.3 raised face tounge &
* diameter of hub 125 and smaller – 0.7 + 2.2
Thickness 450 and smaller – 0.0 + 3.1
at point of weding 150 and larger – 0.7 + 4.0
500 and larger – 0.0 + 4.7
length through 250 and smaller + 1.6 _
bolt circle 600 and smaller + 0.7 _
hub 300 and larger + 3.1 _
600 and larger + 1.6 _
eccenticity with respect
drilling bolt hole spacing + 0.7 _
to bore 0.70 max
SS Forged Flanges Testing Facilities

Manisha Steel, a leading SS Flanges Manufacturers in India, ensures top-notch quality through advanced testing facilities.

SS Forged Flanges Testing Facilities
Material Specification Of Stainless Steel Pipe Flanges
China National Standard Flanges European Standard Flanges
Standard Stainless Steel Flanges Type Standard Type

Pressure: 0.25MPa ~ 10MPa
GB/T 9112-2000 ~ 9123-2000
Size: DN10 ~ DN1200		 SLIP ON
PLATE
BLIND
LAP JOINT
WELDING NECK
THREADED
LONG WELDING NECK
Pressure: Class PN6 ~ PN400
EN 1092-1
Size: DN10 ~ DN4000
LOOSE PLATE
PLATE
BLANK
HUBBED SLIP ON
WELDING NECK
HUBBED THREADED

 

American Standard Flanges German Standard Flanges
Standard Type Standard Type
ASME B16.5
Size: 1/2″ ~ 24″
Pressure: Class 150 ~ 2500		 PLATE
BOSS BLIND
BLIND
LAP JOINT
THREADED
SLIP ON
LONG WELDING NECK
WELDING NECK
 DIN
Size: DN10 ~ DN400
Pressure: PN6 ~ PN400
DIN 2566 – Screwed; PN10 and PN16
DIN 2527 – Blind; PN6 ~ PN100
DIN 2635 – Welding neck; PN40
DIN 2576 – Flanges for soldering or welding; PN10
DIN 2573 – Flanges for soldering or welding; PN6
DIN 2634 – Welding
neck; PN25
DIN 2629 – Welding neck; PN320
DIN 2627 – Welding neck; PN400DIN 2628 – Welding neck; PN250
DIN 2632 – Welding neck; PN10
DIN 2631 – Welding neck; PN6
DIN 2630 – Welding neck; PN1 and PN2.5
DIN 2637 – Welding neck; PN100
DIN 2633 – Welding neck; PN16
DIN 2641 – Lapped flanges; PN6
DIN 2655
– Lapped flanges; Plain collars; PN25
DIN 2636 – Welding neck; PN64
DIN 2656 – Lapped flanges; PN40; Plain collars
DIN 2638 – Welding neck; PN160
DIN 2642 – Lapped flanges; PN10
ASME B16.47A
Size: 26″ ~ 60″
Pressure: Class 150 ~ 900
WELDING NECK
BLIND
ASME B16.47B
Size: 26″ ~ 60″
Pressure: Class 75 ~ 900		 WELDING NECK
BLIND

 

Australian Standard Flanges British Standard Flanges
Standard Type Standard Type
AS 2129
Table: T/D, T/A, T/F, T/E, T/J, T/H, T/R, T/K, T/T, T/S
Size: DN15 ~ DN3000		 BLANK
PLATE
BOSS
WELDING NECK		 BS4504
Size: DN10 ~ DN4000
Pressure: PN2.5 ~ PN40		 BLANK HUBBED
LOOSE PLATE
PLATE
WELDING NECK
HUBBED SLIP ON
THREADED
INTEGRAL
AS 4087
Size: DN50 ~ DN1200
Pressure: PN16 ~ PN35		 BLANK
PLATE
WELDING NECK		 BS10
Size: 1/2″ ~ 48″
Table: T/D, T/A, T/F, T/E, T/H
 PLATE
BOSS
WELDING NECK

 

Japanese Standard Flanges African Standard Flanges
Standard Type Standard Type
JIS B2220
Size: DN10 ~ DN1500
Pressure: 5K ~ 30K
WELDING NECK
SLIP ON HUBBED
INTERGRAL BLANK
SLIP ON PLATE
SOCKET WELDING
THREADED
LAP JOINT

 SABS1123
Size: DN10 ~ DN3600
Pressure: 250kPa ~ 6400kPa

INTEGRAL
BLANK
WELDING NECK
PLATE LOOSE
BOSS

 

French Standard Flanges Special Requirement
Standard Type Standard Type
NFE 29203

Size: DN10 ~ DN600
Pressure: PN2.5 ~ PN420
LOOSE
PLATE
BLIND
WELDING NECK
SLIP ON		 Size: Up to OD: 2560mm PLATE
HSN Code Of Stainless Steel Blind Flange
Product HSN Code
SS Flanges 730721
Chemical Composition Of SS Exhaust Flanges
Stainless Steel Flanges Grades C (%) max Ni (%) P (%) max Si (%) max Mo (%) Cr (%) max Mn (%) max S (%) max
SS 304L 0.03 8.00 – 12.00 0.045 0.75 — 18.00 – 20.00 2.00 0.03
SS 304 0.08 8.00 – 10.50 0.045 0.75 — 18.00 – 20.00 2.00 0.03
SS 310 0.25 19.00 – 22.00 0.045 1.50 — 24.00 – 26.00 2.00 0.03
SS 304H 0.04 – 0.10 8.00 – 12.00 0.045 1.00 — 18.00 – 20.00 2.00 0.03
SS 316 0.08 10.00 – 14.00 0.045 0.75 2.00 – 3.00 16.00 – 18.00 2.00 0.03
SS 310S 0.08 19.00 – 22.00 0.045 1.50 — 24.00 – 26.00 2.00 0.03
SS 316Ti 0.08 10.00 – 14.00 0.045 0.75 2.00 – 3.00 16.00 – 18.00 2.00 0.03
SS 316L 0.03 10.00 – 14.00 0.045 0.75 2.00 – 3.00 16.00 – 18.00 2.00 0.03
SS 317 0.10 11.00 – 15.00 0.045 1.00 3.00 – 4.00 18.00 – 20.00 2.00 0.03
SS 321 0.08 9.00 – 12.00 0.045 1.00 — 17.00 – 19.00 2.00 0.03
SS 317L 0.03 11.00 – 15.00 0.045 1.00 3.00 – 4.00 18.00 – 20.00 2.00 0.03
SS 347 0.08 9.00 – 13.00 0.045 1.00 — 17.00 – 19.00 2.00 0.03
SS 321H 0.04 – 0.10 9.00 – 12.00 0.045 1.00 — 17.00 – 19.00 2.00 0.03
SS 446 0.20 — 0.04 1.00 — 23.00 – 28.00 1.50 0.03
SS 410 0.15 — 0.04 1.00 — 11.50 – 13.50 1.00 0.03
SS 904L 0.02 24.00 – 26.00 0.045 1.00 4.00 – 5.00 19.00 – 23.00 2.00 0.03
Stainless Steel Weld Neck Flange Weight Chart
Nominal Pipe Size (NPS) Weld Neck (WN) Flange Weight (lbs) Slip-On (SO) Flange Weight (lbs) Blind (BL) Flange Weight (lbs)
¾ 1.9 1.3 1.8
½ 1.5 0.9 1.4
1¼ 3.7 2.5 3.5
1 2.8 1.8 2.4
1½ 4.5 3.2 4.2
2½ 10.3 7.7 10.0
2 7.1 5.1 6.8
4 23.0 16.0 22.4
3 15.0 10.4 14.5
24 598.0 445.0 592.0
5 34.0 24.4 33.0
8 74.0 52.5 72.5
6 46.8 34.0 45.0
10 109.0 79.0 107.5
14 203.0 153.0 201.0
12 155.0 115.0 153.0
18 336.0 249.0 332.0
16 266.0 198.0 263.0
20 412.0 310.0 407.0
How Do I Select the Right Stainless Steel Flange for My Application?
Factor Explanation
Material Grade Environment-Specific
Flange Type Threaded, Weld Neck, Slip-On, Blind
Pressure Rating System Pressure
Size & Dimensions Pipe Size
Temperature Resistance Temperature-Specific
Corrosion Resistance Corrosive Environments
Code & Standards Adherence to Standards
Surface Finish Industrial Smooth
Installation & Maintenance Easy Installation & Maintenance
Cost & Availability Budget & Material Availability
Stainless Steel Threaded Flange Material Equivalent
STANDARD WERKSTOFF NR. UNS JIS BS AFNOR EN GOST
SS 304L 1.4306 / 1.4307 S30403 SUS 304L 3304S11 Z3CN18‐10 X2CrNi18-9 / X2CrNi19-11 03Х18Н11
SS 304 1.4301 S30400 SUS 304 304S31 Z7CN18‐09 X5CrNi18-10 08Х18Н10
SS 310 1.4841 S31000 SUS 310 310S24 – X15CrNi25-20 20Ch25N20S2
SS 304H 1.4301 S30409 – – – – –
SS 310S 1.4845 S31008 SUS 310S 310S16 – X8CrNi25-21 20Ch23N18
SS 316L 1.4404 / 1.4435 S31603 SUS 316L 316S11 / 316S13 Z3CND17‐11‐02 / Z3CND18‐14‐03 X2CrNiMo17-12-2 / X2CrNiMo18-14-3 03Ch17N14M3 / 03Ch17N14M2
SS 316 1.4401 / 1.4436 S31600 SUS 316 316S31 / 316S33 Z7CND17‐11‐02 X5CrNiMo17-12-2 / X3CrNiMo17-13-3 –
SS 316Ti 1.4571 S31635 SUS 316Ti 320S31 Z6CNDT17‐123 X6CrNiMoTi17-12-2 08Ch17N13M2T
SS 317L 1.4438 S31703 SUS 317L – – X2CrNiMo18-15-4 –
SS 317 1.4449 S31700 SUS 317 – – – –
SS 321 1.4541 S32100 SUS 321 – – X6CrNiTi18-10 –
SS 347 1.4550 S34700 SUS 347 – – X6CrNiNb18-10 08Ch18N12B
SS 321H 1.4878 S32109 SUS 321H – – X12CrNiTi18-9 –
SS 446 1.4762 S44600 – – – – –
SS 410 1.4006 S41000 SUS 410 410S21 – X12Cr13 –
SS 904L 1.4539 N08904 SUS 904L 904S13 Z2 NCDU 25-20 X1NiCrMoCu25-20-5 STS 317J5
Heat Treatment Of SS Header Flanges  
Stainless Steel Types Temperature Range Heat Treatment Cooling Method
Precipitation-Hardening (17-4 PH) 480 to 620°C Aging Air Cooling
Austenitic (316, 304) 400 to500°C Stress Relieving Slow Cooling
Austenitic (316, 304) 1,010 to 1,120°C Solution Annealing Water or Air Quenching
Martensitic (420, 410) 980 to 1,050°C Hardening Oil or Air Quenching
Ferritic (430, 409) 700 to 800°C Annealing Slow Cooling
Martensitic ( 420, 410) 200 to 650°C Tempering Slow Cooling
Stainless Steel Slip on Flange Mechanical Properties
Stainless Steel Flanges Grade Yield Strength (MPa) Poisson’s Ratio Tensile Strength (MPa) Hardness (HRB) Elongation (%) Modulus of Elasticity (GPa)
SS 304H 205 0.29 520 – 720 85 – 95 40 – 50 193
SS 304L 205 0.29 520 – 720 85 – 95 40 – 50 193
SS 310S 205 – 275 0.29 515 – 740 90 – 105 40 – 50 193
SS 310 205 – 275 0.29 515 – 740 90 – 105 40 – 50 193
SS 316L 205 0.29 520 – 720 85 – 95 40 – 50 193
SS 316 205 0.29 520 – 720 85 – 95 40 – 50 193
SS 316Ti 205 0.29 520 – 720 85 – 95 40 – 50 193
SS 317L 205 0.29 520 – 730 85 – 95 40 – 50 193
SS 446 205 0.28 520 – 720 85 – 95 40 – 50 190
SS 317 205 0.29 520 – 730 85 – 95 40 – 50 193
SS 321 205 0.29 520 – 720 85 – 95 40 – 50 193
SS 347 205 0.29 520 – 720 85 – 95 40 – 50 193
SS 321H 205 0.29 520 – 720 85 – 95 40 – 50 193
SS 410 205 0.28 520 – 720 85 – 95 35 – 45 190
SS 904L 205 0.29 520 – 720 85 – 95 40 – 50 193
SS Flanges Welding Repair Requirements 
Step Explanation
Welding Process Stick, TIG, MIG, Heat Control
Preparation Bevel Edges, Clean Flange
PWHT and Preheat Stress Reduction, Reheat if Needed
Material Selection Compatible Filler Materials
Weld Inspection NDT Inspection
Welding Parameters Amperage, Gas
Documentation Record Materials, Methods, Tests
Final Cleaning Pickle and Passivate
Stainless Steel Plate Flanges Physical Properties
Stainless Steel Flanges Grade Melting Point (°C) Density (g/cm³) Electrical Resistivity (µΩ·cm) Magnetic Permeability Thermal Conductivity (W/m·K) Coefficient of Thermal Expansion (μm/m·°C)
SS 304H 1400 – 1450 7.93 72.3 Non-magnetic 16.2 16.0
SS 304L 1400 – 1450 7.93 72.3 Non-magnetic 16.2 16.0
SS 310S 1400 – 1450 7.90 72.0 Non-magnetic 14.0 17.0
SS 310 1400 – 1450 7.90 72.0 Non-magnetic 14.0 17.0
SS 316L 1375 – 1400 7.98 74.0 Non-magnetic 16.3 16.5
SS 316 1375 – 1400 7.98 74.0 Non-magnetic 16.3 16.5
SS 317 1375 – 1400 7.95 74.5 Non-magnetic 16.3 16.5
SS 316Ti 1375 – 1400 7.98 74.0 Non-magnetic 16.3 16.5
SS 321 1400 – 1450 7.93 74.0 Non-magnetic 16.2 16.0
SS 317L 1375 – 1400 7.95 74.5 Non-magnetic 16.3 16.5
SS 347 1400 – 1450 7.93 74.0 Non-magnetic 16.2 16.0
SS 321H 1400 – 1450 7.93 74.0 Non-magnetic 16.2 16.0
SS 446 1400 – 1450 7.80 76.0 Magnetic 30.0 11.5
SS 410 1480 – 1530 7.75 78.0 Magnetic 30.0 11.5
SS 904L 1350 – 1400 8.00 70.0 Non-magnetic 15.0 16.0
Ready Stock Of Stainless Steel Pipe Flanges
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Stainless Steel Threaded Pipe Flange DN65

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Stainless Steel Pn10 16 Weld Neck Flat Plate Pipe Flange

DN15-DN160 Forged RF FF Rtj Stainless Steel Wn Flange

DN15-DN160 Forged RF FF Rtj Stainless Steel Wn Flange

JIS10K FF 2 Inch Inox Stainless Steel Pipe Flange

JIS10K FF 2 Inch Inox Stainless Steel Pipe Flange

Cl150 ASME B16.5 Forged Weld Neck Stainless Steel Pipe Flange

Cl150 ASME B16.5 Forged Weld Neck Stainless Steel Pipe Flange

Locationwise Shipping and Delivery Time Of SS Flanges
Changes in Price
Extra 5 %
Export to Shipping Time in Days
South Korea  7
Sri Lanka  5
Belgium  15
Bangladesh  14
Argentina  45
Colombia  45
Maldives  7
Germany  45
Japan  7
Cambodia  9
Bolivia  45
Ecuador  60
Netherlands  25
Brazil  45-60
Chile  45
Manisha Steel Centre

 

Why Us ?
  • Stockist and Exporter of Small Diameter Tubing in Grades of Austenitic and Ferritic Stainless Steel.
  • Supply as Per American and European Standards According to Dimensional Standard ASME B36.19M
  • Distributor and Trader in Mumbai of Renowned Mills Outokumpu, POSCO and Aperam
  • Associated With Dealers and Stockholders in Kuwait, Nigeria, Iraq, Egypt, Congo and Gabon
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