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ss Flanges
ASTM A182 Weld Neck Flange
Stainless Steel Blind Flanges
Table of Content
Trusted Supplier of ASTM A182 Forged Flange in Mumbai, Refer Specification as per ASTM A182
Stainless Steel Flanges Specifications
Highest Quality Stainless Steel Flanges Manufacturer in India with Outstanding Range of Sizes
SS Flanges Sizes
- 1/2 inch - 60 inch
- PN 2.5 - PN 400
- 15 NB - 1200NB
SS SORF Flange Types
- Weld Neck, Blind
- Slip On
- Socket Weld
SS Pipe Flanges Standards
- ASME B16.5
- ASME B16.47
- ASME B16.36
- ASME B16.48
ASTM A182 Flanges Threads
- BSPT
- FNPT
- BSPP
- NPT, MNPT
Stainless Steel Blind Flange Process
- Cutting
- Rolling
- Casting
- Forging
Stainless Steel Clad Flanges Testing
- PMI
- Hardness test
- Pressure
- Tensile
SS Orifice Flange Wall Thickness
- SCH 120/ 140
- SCH 160/ 180
- SCH 10/ 20/ 40
- SCH 60/ 80/ 100
SS RTJ Flange Pressure Class
- 125 To 150#
- 300 To 400#
- 1500 To 2500#
- 600 To 900#
SS Exhaust Flanges Face Types
- RTJ
- RF
- FF
- T&G
SS Forged Flanges Testing Facility
- Hydro test
- X-ray Detector
- NDT
SS Threaded Pipe Flange Supporting Material
- Ring Joint
- Gasket
- Flange Bolts
SS Long Weld Neck Flanges End Connection
- Welded
- Threaded
ASTM A182 Blind Flanges Finish
- Spiral
- Smooth
- Mirror
- Serrated, Concentric
Stainless Steel Reducing Flange Marking
- Sizes
- Face type
- Pressure class
- ASTM/ ASME standard
- Origin of material
SS Socket Weld Flange Origin
- Indian
- European
- Japan
- Korean
Stainless Steel Flat Flanges Value Added Service
- Polishing, Threading
- MTR’s Available
- Minor Fabrication
- Heat Treatment
Most Common Types of SS Flanges
Stainless Steel Flange Supplier in India in Various Types With Different Pressure & Threads
Stainless Steel Slip On Flange
SS Blind Flanges
Stainless Steel Weld Neck Flange
SS Socket Weld Flange
SS Threaded Flange
ASTM A182 Plate Flange
Stainless Steel Plate Flange
Stainless Steel Lap Joint Flanges
SS Orifice Flanges
ASTM A182 Ring Type Joint Flange
SS Spectacle Blind Flanges
Stainless Steel Reducing Flange
SS Forged Flanges
SS Wall Flange
Stainless Steel Puddle Flange
Stainless Steel Flange Size Chart Flange Size Chart
| Size | Pressure Class | International Standard |
|---|---|---|
| 1/2″ To 48″ | 150 lb to 2500 lb | Australian flange |
| 3/8 to 60″ | 150 lb to 2500 lb | Japanese standard flange |
| 1/2″ To 48″ | PN6 To PN40 | DIN flange |
| 3/8″ to 80″ | PN 2.5 to PN 400 | EN 1092-1/2 |
| 26″ To 48″ | 150 lb to 600 lb | BS 3293 |
| 1/2″ To 80″ | 150 lb to 300 lb | Korean flange |
| 22″ To 48″ | 150 lb to 900 lb | MSS SP 44 |
| 4″ To 144″ | Class B/D/E/F | Awwa C207 |
| 2 1/2″ To 24″ | – | ISO flange |
| 1/4″ to 24″ | 150 lb to 2500 lb | ASME B16.5 |
| 26″ to 60″ | 150 lb to 900 lb | ASME B16.47 |
| 1/4″ to 24″ | 300 lb to 2500 lb | ASME B16.36 |
| 1/4″ to 24″ | 150 lb to 2500 lb | ASME B16.48 |
Stainless Steel SORF Flange Sizes Chart
| Standard | Class | Bolt Circle Diameter | Diameter | Number of Bolts | Diameter of Bolt Hole | Bolt Size |
|---|---|---|---|---|---|---|
| AS 2129 Flange | Table F Flanges | 67 | 95 | 4 | 14 | 13 |
| Table C Flanges | 67 | 95 | 4 | 14 | 13 | |
| Table E Flanges | 67 | 95 | 4 | 14 | 13 | |
| Table D Flanges | 67 | 95 | 4 | 14 | 13 | |
| Table J Flanges | 83 | 114 | 4 | 17 | 16 | |
| AS4087 Flanges | PN14 Flanges | 67 | 95 | 4 | 14 | M12 |
| Table H Flanges | 83 | 114 | 4 | 17 | 16 | |
| ANSI B16.5 Flanges | ANSI 900 Flanges | 83 | 121 | 4 | 22 | 19 |
| ANSI 300 Flanges | 67 | 95 | 4 | 16 | 13 | |
| ANSI 1500 Flanges | 83 | 121 | 4 | 22 | 19 | |
| ANSI 150 Flanges | 60 | 89 | 4 | 16 | 13 | |
| ANSI 600 Flanges | 67 | 95 | 4 | 16 | 13 | |
| ISO 7005 (DIN) Flange | PN20 Flanges | 60.5 | 90 | 4 | 16 | M14 |
| PN6 Flanges | 55 | 80 | 4 | 11 | M10 | |
| PN16 Flanges | 65 | 95 | 4 | 14 | M12 | |
| PN10 Flanges | 65 | 95 | 4 | 14 | M12 | |
| PN40 Flanges | 65 | 95 | 4 | 14 | M12 | |
| PN25 Flanges | 65 | 95 | 4 | 14 | M12 |
Size Chart of Stainless Steel Pipe Flange
|
Normal Pipe Size |
DN |
|---|---|
|
1/2 |
15 |
|
3/4 |
20 |
|
1 |
25 |
|
1 1/4 |
32 |
|
1 1/2 |
40 |
|
2 |
50 |
|
2 1/2 |
65 |
|
3 |
80 |
|
4 |
100 |
SS Forged Flanges size Chart
| Nominal Pipe Size | Diameter of | Diameter of | No. | Bolt | Diameter of |
|---|---|---|---|---|---|
| NPS | Flange | Bolts | of | Circle | Bolt Holes |
| (inches) | (inches) | (inches) | Bolts | inches | (inches) |
| 1/4 | 3-3/8 | 1/2 | 4 | 2-1/4 | 0.62 |
| 1 | 4-7/8 | 5/8 | 4 | 3-1/2 | 0.75 |
| 1-1/2 | 6-1/8 | 3/4 | 4 | 4-1/2 | 0.88 |
| 1/2 | 3-3/4 | 1/2 | 4 | 2-5/8 | 0.62 |
| 3 | 8-1/4 | 3/4 | 8 | 6-5/8 | 0.88 |
| 2-1/2 | 7-1/2 | 3/4 | 8 | 5-7/8 | 0.88 |
| 2 | 6-1/2 | 5/8 | 8 | 5 | 0.75 |
| 3/4 | 4-5/8 | 5/8 | 4 | 3-1/4 | 0.75 |
| 1-1/4 | 5-1/4 | 5/8 | 4 | 3-7/8 | 0.75 |
| 6 | 12-1/2 | 3/4 | 12 | 10-5/8 | 0.88 |
| 5 | 11 | 3/4 | 8 | 9-1/4 | 0.88 |
| 18 | 28 | 1-1/4 | 24 | 24-3/4 | 1.38 |
| 16 | 25-1/2 | 1-1/4 | 20 | 22-1/2 | 138 |
| 20 | 30-1/2 | 1-1/4 | 24 | 27 | 138 |
| 3-1/2 | 9 | 3/4 | 8 | 7-1/4 | 0.88 |
| 4 | 10 | 3/4 | 8 | 7-7/8 | 0.88 |
| 8 | 15 | 7/8 | 12 | 13 | 1 |
| 12 | 20-1/2 | 1-1/8 | 16 | 17-3/4 | 1.25 |
| 10 | 17-1/2 | 1 | 16 | 15-1/4 | 1.12 |
| 14 | 23 | 1-1/8 | 20 | 20-1/4 | 125 |
Stainless Steel Flangr Delivery Time As Per Location
| Export to | Delivery Time in Days |
|---|---|
| UAE | 5 days |
| Saudi Arabia | 7 |
| USA | 40-60 |
| Qatar | 7 |
| South Africa | 25-30 |
| Bahrain | 9 |
| Philippines | 14 |
| Indonesia | 9 |
| Oman | 5 |
| Kuwait | 10 |
| Singapore | 8 |
Stainless Steel SORF Flange With Various Face Types Such as RF, RTJ, FF & Used in Petrochemical Plants
Suitable Acids For Stainless Steel Threaded Flange
| Suitable Environment | WP Grades |
|---|---|
| Corrosion-resistant service | 316L |
| Organic acids | 316L, 304L, 904L, 317L |
| Sulphuric acid | 304/304L, 310, 904L, 316/316L |
| Caustic Soda | 304/ 304L, 316/ 316L |
| Hydrogen chlorine, Hydrochloric acid, Chlorine acid | 316L,304L |
Jointing Method Of ASTM A182 Stainless Steel Socket Weld Flanges
- Weld Neck
- Slip On
- Blind
- Socket weld
- Threaded
- Lap Joint
Stainless Steel Flange Weight in KG
| NPS | SORF(Slip On) (LBS) | BRF (Blind) (LBS) | WNRF (Weld Neck) (KG) | NPT (Threaded) (KG) | SWRF (Socket Weld) (LBS) | LJRF (LapJoint) (KG) |
|---|---|---|---|---|---|---|
| 1/2 | 1.10 | 1.98 | 0.9 | 0.5 | 1.98 | 0.5 |
| 1¼ | 3.08 | 3.08 | 1.4 | 1.4 | 3.08 | 1.4 |
| 1½ | 3.08 | 3.96 | 1.8 | 1.4 | 3.08 | 1.4 |
| 3/4 | 1.98 | 1.98 | 0.9 | 0.9 | 1.98 | 0.9 |
| 1 | 1.98 | 1.98 | 1.4 | 0.9 | 1.98 | 0.9 |
| 2 | 5.07 | 5.07 | 2.7 | 2.3 | 5.07 | 2.3 |
| 5 | 14.99 | 19.84 | 9.5 | 6.8 | 14.99 | 6.8 |
| 6 | 18.95 | 26.89 | 11.7 | 8.6 | 18.95 | 8.6 |
| 3 | 9.03 | 9.03 | 5.2 | 4.1 | 9.03 | 4.1 |
| 4 | 13.00 | 16.97 | 7.4 | 5.9 | 13.00 | 5.9 |
| 8 | 29.76 | 46.73 | 18.9 | 13.5 | 29.76 | 13.5 |
| 10 | 42.76 | 69.44 | 24.3 | 19.4 | 42.76 | 19.4 |
| 12 | 63.49 | 122.13 | 39.6 | 28.8 | 63.49 | 28.8 |
| 18 | 128.97 | 218.25 | 74.3 | 58.5 | 128.97 | 72 |
| 20 | 163.80 | 282.85 | 88.7 | 74.3 | 163.80 | 87.8 |
| 22 | 183.64 | 352.29 | 101.3 | 83.3 | 183.64 | 110.3 |
| 14 | 89.28 | 138.8 | 51.3 | 40.5 | 89.28 | 47.3 |
| 16 | 105.16 | 178.57 | 63 | 44.1 | 97.22 | 63 |
| 24 | 218.25 | 426.59 | 120.6 | 99 | 218.25 | 123.8 |
Gasket For Stainless Steel Pipe Flange
- PTFE Gasket
- Camprofile Gaskets
- RTJ Gaskets
- Oval Ring Gasket
- Spiral Wound Gaskets
- RF Gaskets
- FF Gaskets
Manufacturing Process of Stainless Steel Flanges
Class Ratings SS Weld Neck Flanges
| Class | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
| (PN) | 20 | 50 | 68 | 100 | 150 | 250 | 420 |
Stockist of SS Flanges & ASTM A182 Flanges Available in Various Grades According to ANSI B16.5
German Standards For SS Blind Flanges
- DIN 2501 to 2503
- DIN 2641 to 2642
- DIN 2565 to 2569
- DIN 2527
- DIN 2627 to 2633
Stainless Steel Flanges British Standards
- BS10
- BS4504
American Standards For SS Flanges
- ASME B16.5
- ASME B16.47A
- ASME B16.47B
ASME B16.47 vs ASME B16.5 SS Flanges
| ASME B16.47 | ASME B16.5 |
|---|---|
| Covers NPS ½ to NPS 24 | Covers NPS 26 to NPS 60 |
| BLIND , WELD NECK | LAP JOINT, LONG WELDING NECK, BLIND |
| Class 150 to 2500 | Class 75 to 900 |
Stainless Steel Pipe Flange With Pressure Class 150 to 2500# , Refer Dimensional Data
Pressure Ratings Of SS Blind Flanges
|
||||||
|---|---|---|---|---|---|---|
| Temp. °F | Class 900 | Class 150 | Class 2500 | Class 300 | Class 1500 | Class 600 |
| -20~100 | 2,160 | 275 | 6,000 | 720 | 3,600 | 1,440 |
| 300 | 1,680 | 215 | 4,660 | 560 | 2,795 | 1,120 |
| 200 | 1,860 | 235 | 5,160 | 620 | 3,095 | 1,240 |
| 500 | 1,435 | 170 | 3,980 | 480 | 2,390 | 955 |
| 400 | 1,540 | 195 | 4,280 | 515 | 2,570 | 1,025 |
| 650 | 1,325 | 125 | 3,680 | 440 | 2,210 | 885 |
| 800 | 1,265 | 80 | 3,520 | 420 | 2,110 | 845 |
| 600 | 1,355 | 140 | 3,760 | 450 | 2,255 | 900 |
| 700 | 1,305 | 110 | 3,620 | 435 | 2,170 | 870 |
| 750 | 1,280 | 95 | 3,560 | 425 | 2,135 | 855 |
Dimension Chart of SS Socket Weld Flange
| NPS (inch) | Thickness Min | Outer diameter | Diameter of Hub | Diameter of RF | No of Bolts | Thread Length | Length Hub.Y | Bolt Holes Diameter | Bolt Circle Diameter | Diameter of Bolts (inch) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1" | 25 | 14.20 | 108.00 | 49.30 | 50.80 | 4 | 17.50 | 17.50 | 15.80 | 79.30 | 1/2" |
| 1-1/4" | 32 | 15.70 | 117.50 | 58.70 | 63.50 | 4 | 20.60 | 20.60 | 15.80 | 88.90 | 1/2" |
| 1-1/2" | 40 | 17.50 | 127.00 | 65.00 | 73.20 | 4 | 22.40 | 22.40 | 15.80 | 98.60 | 1/2" |
| 2" | 50 | 19.10 | 152.50 | 77.70 | 91.90 | 4 | 25.40 | 25.40 | 19.10 | 120.70 | 5/8" |
| 2-1/2" | 65 | 22.40 | 178.00 | 90.40 | 104.60 | 4 | 28.40 | 28.40 | 19.10 | 139.70 | 5/8" |
| 3/4" | 20 | 12.70 | 98.50 | 38.10 | 42.90 | 4 | 15.70 | 15.70 | 15.80 | 69.90 | 1/2" |
| 1/2" | 15 | 11.20 | 89.00 | 30.20 | 35.10 | 4 | 15.70 | 15.70 | 15.80 | 60.50 | 1/2" |
| 4" | 100 | 23.90 | 228.50 | 134.90 | 157.20 | 8 | 33.30 | 33.30 | 19.10 | 190.50 | 5/8" |
| 3-1/2" | 90 | 23.90 | 216.00 | 122.20 | 139.70 | 8 | 31.80 | 31.80 | 19.10 | 177.80 | 5/8" |
| 3" | 80 | 23.90 | 190.50 | 108.00 | 127.00 | 4 | 30.20 | 30.20 | 19.10 | 152.40 | 5/8" |
| 10" | 250 | 30.20 | 406.50 | 304.80 | 323.90 | 12 | 49.30 | 49.30 | 25.40 | 362.00 | 7/8" |
| 5" | 125 | 23.90 | 254.00 | 163.60 | 185.70 | 8 | 36.60 | 36.60 | 22.40 | 215.90 | 3/4" |
| 14" | 350 | 35.10 | 533.50 | 400.10 | 412.80 | 12 | 57.20 | 57.20 | 28.50 | 476.30 | 1" |
| 6" | 150 | 25.40 | 279.50 | 192.00 | 215.90 | 8 | 39.60 | 39.60 | 22.40 | 241.30 | 3/4" |
| 8" | 200 | 28.40 | 343.00 | 246.10 | 269.70 | 8 | 44.50 | 44.50 | 22.40 | 298.50 | 3/4" |
| 20" | 500 | 42.90 | 698.50 | 558.80 | 584.20 | 20 | 73.20 | 73.20 | 31.80 | 635.00 | 1 1/8" |
| 18" | 450 | 39.60 | 635.00 | 505.00 | 533.40 | 16 | 68.30 | 68.30 | 31.80 | 577.90 | 1 1/8" |
| 24" | 600 | 47.80 | 813.00 | 663.40 | 692.20 | 20 | 82.60 | 82.60 | 35.10 | 749.30 | 1 1/4" |
| 12" | 300 | 31.80 | 482.50 | 365.30 | 381.00 | 12 | 55.60 | 55.60 | 25.40 | 431.80 | 7/8" |
| 16" | 400 | 36.60 | 597.00 | 457.20 | 469.90 | 16 | 63.50 | 63.50 | 28.50 | 539.80 | 1" |
Tolerance Chart For SS Threaded Flanges
| Flange Dimension | Tolerance |
|---|---|
| Outside Diameter |
|
| Thickness |
|
| Diameter of hub welding point |
|
| Inside Diameter |
|
| Diameter of contact face |
|
| Length of hub |
|
| Drilling |
|
Refer SS Blind Flange & Stainless Steel Lap Joint Flange Thickness Chart & European Standards
| NPS | Outer Diameter (O.D.) | 20 Schedule | 40 Schedule | 80 Schedule | 120 Schedule | 160 Schedule |
|---|---|---|---|---|---|---|
| ½ | 0.84 | ... | 0.109 | 0.147 | ... | 0.188 |
| ¾ | 1.05 | ... | 0.113 | 0.154 | ... | 0.219 |
| 1 | 1.315 | ... | 0.133 | 0.179 | ... | 0.25 |
| 2 | 2.375 | ... | 0.154 | 0.218 | ... | 0.344 |
| 2 ½ | 2.875 | ... | 0.203 | 0.276 | ... | 0.375 |
| 3 | 3.5 | - | 0.216 | 0.3 | - | 0.438 |
| 3 ½ | 4 | - | 0.226 | 0.318 | - | - |
| 1 ¼ | 1.66 | ... | 0.14 | 0.191 | ... | 0.25 |
| 1 ½ | 1.9 | ... | 0.145 | 0.2 | ... | 0.281 |
| 4 | 4.5 | - | 0.237 | 0.337 | 0.438 | 0.531 |
| 5 | 5.563 | - | 0.258 | 0.375 | 0.5 | 0.625 |
| 6 | 6.625 | - | 0.28 | 0.432 | 0.562 | 0.719 |
| 12 | 12.75 | 0.25 | 0.406 | 0.688 | 1 | 1.312 |
| 14 | 14 | 0.312 | 0.438 | 0.75 | 1.094 | 1.406 |
| 8 | 8.625 | 0.25 | 0.322 | 0.5 | 0.719 | 0.906 |
| 10 | 10.75 | 0.25 | 0.365 | 0.594 | 0.844 | 1.125 |
| 16 | 16 | 0.312 | 0.5 | 0.844 | 1.219 | 1.594 |
European Standards of SS Flanges
| Standard | Types |
|---|---|
| EN 1092-1 | WELDING NECK, PLATE |
6 Common Reasons of Stainless Steel Reducing Flanges in Petrochemical Plants
SS Pipe Flange HSN Code
| HS Code | Country |
|---|---|
| 73182300 | Taiwan |
| 73072100 | United States |
| 90319000 | Canada |
| 73079990 | China |
| 73079190 | Switzerland |
How to Select SS Blind Flanges for Nitric Acid and Sulfuric Acid ?
Chemical Composition of Stainless Steel Blind Flanges
| GRADE | P | Mn | Si | S | Mo | C | Ni | Cr |
|---|---|---|---|---|---|---|---|---|
| F316L | 0.045 | 2.0 | 1.0 | 0.030 | 2.0-3.0 | 0.030 | 10.0-15.0 | 16.0-18.0 |
| F317 | 0.045 | 2.0 | 1.0 | 0.030 | 3.0-4.0 | 0.08 | 11.0-15.0 | 18.0-20.0 |
| F304 | 0.045 | 2.0 | 1.0 | 0.030 | 0.08 | 8.0-11.0 | 18.0-20.0 | |
| F316 | 0.045 | 2.0 | 1.0 | 0.030 | 2.0-3.0 | 0.08 | 10.0-14.0 | 16.0-18.0 |
| F310 | 0.045 | 2.0 | 1.0 | 0.030 | 0.25 | 19.0-22.0 | 24.0-26.0 | |
| F304L | 0.045 | 2.0 | 1.0 | 0.030 | 0.030 | 8.0-13.0 | 18.0-20.0 | |
| F316 | 0.045 | 2.0 | 1.0 | 0.030 | 2.0-3.0 | 0.04-0.10 | 10.0-14.0 | 16.0-18.0 |
SS Orifice Flange Mechanical Properties
| ASTM A182 Grade | Minimum Tensile Strength in MPa |
Minimum Yield point in Mpa |
Minimum Elongation in % |
Minimum Reduction of in min, % |
|---|---|---|---|---|
| ASTM A182 F304 | 515 | 205 | 30 | 50 |
| ASTM A182 F316L | 485 | 170 | 30 | 50 |
| ASTM A182 F304L | 485 | 170 | 30 | 50 |
| ASTM A182 F316 | 515 | 205 | 30 | 50 |
| ASTM A182 F321 | 515 | 205 | 30 | 50 |
Stainless Steel Flanges Material Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | BS | EN | JIS | GOST | AFNOR |
|---|---|---|---|---|---|---|---|
| 304 | 1.4301 | S30400 | 304S31 | X5CrNi18-10 | SUS 304 | 08Х18Н10 | Z7CN18‐09 |
| 304L | 1.4306 / 1.4307 | S30403 | 3304S11 | X2CrNi18-9 / X2CrNi19-11 | SUS 304L | 03Х18Н11 | Z3CN18‐10 |
| 316L | 1.4404 / 1.4435 | S31603 | 316S11 / 316S13 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 | SUS 316L | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 |
| 316 | 1.4401 / 1.4436 | S31600 | 316S31 / 316S33 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 | SUS 316 | – | Z7CND17‐11‐02 |
Physical Properties SS Flanges
| Stainless Steel Flange Grade | Specific Heat Capacity (J/kg·K) | Thermal Conductivity (W/m·K) | Density (g/cm³) | Electrical Conductivity (MS/m) |
|---|---|---|---|---|
| 304L | 500 | 16.2 | 7.93 | 1.4 |
| 317L | 500 | 16.2 | 7.95 | 0.95 |
| 1.4462 | 500 | 23.0 | 7.80 | 2.0 |
| 304 | 500 | 16.2 | 7.93 | 1.4 |
| 316 | 500 | 16.2 | 7.98 | 1.0 |
| 316L | 500 | 16.2 | 7.98 | 1.0 |
| 347 | 500 | 16.2 | 7.95 | 1.4 |
| 440C | 460 | 25.5 | 7.80 | 2.2 |
| 321 | 500 | 16.2 | 7.95 | 1.4 |
| 410 | 460 | 24.5 | 7.70 | 3.6 |
Applications of Stainless Steel Bilnd Flanges
Testing Facilities SS Floor Flange
- Surface roughness tester
- Impact testing machine
- Hardness testing machine
- Mobile spectrometer for PMI test
- Ultrasonic testing machine
- Radiation servo meter
- Tensile testing machine
- Microscope
- IGC test facilities
- Dye penetrate test
Why Hilton Steel ?