Flanges Specifications
Flanges Standard, Sizes & Pressure
Stainless Steel Flanges
Alloy Steel Flanges
Carbon Steel Flanges
Inconel Flanges
Monel Flanges
Duplex & Super Duplex Flange
Hastelloy Flanges
Nickel Alloy Flanges
Copper Alloy Flanges
Types of Flanges in Stock
Stainless Steel Fittings Material Equivalent
Duplex & Super Duplex Equivalent Grades
Nickel and High Temperature Alloys Equivalent
Titanium Alloys Equivalent
| Material of Construction | Standard | Grades |
| Stainless Steel Flanges | ASTM A182 , A240 | F 304, 304L, 304H, 316, 316Ti, 316H, 316L, 316LN, 309S, 309H, 310S, 310H, 317, 317L 321, 321H, 347, 347H, 201, 202, 904L |
| Material of Construction | Standard | Grades |
| Alloy Steel Flanges | ASTM A182 | F1, F5, F9, F11, F22, F91 |
| Material of Construction | Standard | Grades |
| Carbon Steel Flanges | ASTM A105 | Gr. F42, 46, 52, 56, 60, 65, 70 |
| Low Temperature Carbon Steel Flanges | ASTM A350 | LF2 , LF3 |
| Material of Construction | Standard | Grades |
| Inconel Flanges | ASTM SB564, SB160, SB472, SB162 | Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601) |
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| Material of Construction | Standard | Grades |
| Monel Flanges | ASTM SB564, SB160, SB472, SB162 | Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500) |
Duplex Flange & Super Duplex Steel Pipe Flanges Specifications | ||
| Grades | ASTM A182 UNS F 44, F 45, F51, F 53, F 55, F 60, F 61 | |
| Specifications | : | ASTM A182 / ASME SA182 |
| Size | : | 1/8″ NB TO 24″ NB |
| Standards | : | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | : | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grades | : | S32750 / S32760 / S32950 |
| Material of Construction | Standard | Grades |
| Hastelloy Flanges | ASTM SB564, SB160, SB472, SB162 | Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020) |
| Material of Construction | Standard | Grades |
| Nickel Alloy Flanges | ASTM SB564, SB160, SB472, SB162 | Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201) |
| Material of Construction | Standard | Grades |
| Copper Alloys Flanges | ASTM SB 61 , SB62 , SB151 , SB152 | UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200 |
Super Duplex Steel Flanges |
Nickel Alloy Flanges |
Socket Weld Flanges |
Nace Flanges |
MATERIAL |
UNS GRADE |
ASTM / ASME GRADE (TP) |
EQUIVALENT GRADE ( DIN / EN ) |
ASTM / ASME GRADE (TP) |
EQUIVALENT GRADE ( DIN / EN ) |
| AUSTENITIC | S30400 | 304 | 1.4301 | 304 | 1.4301 |
| S30403 | 304 L | 1.4306 / 1.4307 | 304 L | 1.4306 / 1.4307 | |
| S30409 | 304 H | 1.4948 | 304 H | 1.4948 | |
| S30400 / S30403 | 304 / 304 L | 1.4301 / 1.4306 | 304 / 304 L | 1.4301 / 1.4306 | |
| S31000 / S31008 | 310 / 310S | 1.4841 / 1.4845 | 310 / 310S | 1.4841 / 1.4845 | |
| S31600 | 316 | 1.4401 | 316 | 1.4401 | |
| S31603 | 316 L | 1.4404 | 316 L | 1.4404 | |
| S31609 | 316 H | 1.4919 | 316 H | 1.4919 | |
| S31600 / S31609 | 316 / 316 L | 1.4401 / 1.4404 | 316 / 316 L | 1.4401 / 1.4404 | |
| S31635 | 316 Ti | 1.4571 | 316 Ti | 1.4571 | |
| S32100 | 321 | 1.4541 | 321 | 1.4541 | |
| S32109 | 321 H | 1.4941 | 321 H | 1.4941 | |
| S32100 / S32109 | 321 / 321 H | 1.4541 / 1.4941 | 321 / 321 H | 1.4541 / 1.4941 | |
| FERRATIC/ MARTENSITIC |
S40500 | 405 | 1.4002 | 405 | 1.4002 |
| S41000 | 410 | 1.4006 | 410 | 1.4006 | |
| S43000 | 430 | 1.4016 | 430 | 1.4016 | |
| DUPLEX & Super Duplex |
S31803 | 2205 | 1.4462 | 2205 | 1.4462 |
| S32750 | 2507 | 1.4410 | 2507 | 1.4410 |
| GRADE | Improved machinability |
EN, DIN, UNI Equivalent |
W.N. | BS Equivalent |
AFNOR Equivalent |
SIS (SWEDEN) Equivalent |
SUS (JAPAN) Equivalent |
AISI ASTM ASME Equivalent |
AISI UNS Equivalent |
|---|---|---|---|---|---|---|---|---|---|
| Duplex & Duper Duplex Grades | |||||||||
| 329/1 | IMCO® | X3CrNiMoN27-5-2 | 1.4460 | Z3 CND 25-07 Az | 2324 | 329J1 | 329 | S32900 J93371 | |
| 329A | X2CrNiMoN22-5-3 | 1.4462 | 318S13 | Z2 CND 24-08 Az | 329J3L | F51 Cr22 | S31803 | ||
| 329S | X2CrNiMoCuWN25-7-4 | 1.4501 | Z3 CNDU 25-06 Az | F55 | S32760 | ||||
| 329S1 | X2 CrNiMoN 25-7-4 | 1.4410 | Z3 CND 25-06 Az | 2328 | F53 Cr25 | S32750 | |||
| Alloy Name | Trade Name | UNS No. Equivalent | British Specs | American Specs | German Specs | French Specs |
| Alloy 200 | Nickel 200 | UNS N02200 | BS 3072 BS 3073 BS 3074 BS 3075 BS 3076 NA12 |
ASTM B162 ASTM B163 ASTM B725 ASTM B730 |
WS 2.4060 WS 2.4066 |
|
| Alloy 201 | Nickel 201 | UNS N02201 | BS 3072 BS 3073 BS 3074 BS 3075 BS 3076 NA11 |
ASTM B162 ASTM B163 ASTM B725 ASTM B730 AMS 5553 Sheet and Strip |
WS 2.4061 WS 2.4068 |
|
| Alloy 205 | Nickel 205 | UNS N02205 | AMS 5555 Wire and Ribbon MIL-N-46025 |
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| Alloy 400 | Monel 400 | UNS N04400 | BS 3072 BS 3073 BS 3074 BS 3075 BS 3076 NA11 |
AMS 4574 Tube AMS 4575 (Tube *) AMS 4675 Bar and Forgings AMS 4730 Wire AMS 4731 Wire and Ribbon AMS 4544 Sheet, Strip and Plate QQ-N-281 ASTM B164 |
||
| Alloy 405 | Monel 405 | UNS N04405 | AMS 4674 Bar and Forgings AMS 7234 QQ-N-281 MIL-N-894 |
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| Alloy 455 | Custom 455 | UNS S45500 | AMS 5617 Bar and Forgings AMS 5860 Sheet, Strip and Plate |
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| Alloy K500 | Monel K500 | UNS N05500 | BS 3072 BS 3073 BS 3074 BS 3075 BS 3076 NA18 |
AMS 4676 Bar and Forgings QQ-N-286 |
WS 2.4375 | |
| Alloy 600 | Inconel 600 | UNS N06600 | BS 3072 BS 3073 BS 3074 BS 3075 BS 3076 NA14 |
AMS 5580 (Tube *) AMS 5540 Sheet, Strip and Plate AMS 5665 Bar and Forgings AMS 5687 Wire QQ-W-390 |
WS 2.4816 | AFNOR NC15Fe |
| Alloy 601 | Inconel 601 | UNS N06601 | AMS 5715 Bar and Forgings AMS 5870 Sheet, Strip and Plate ASTM B166 ASTM B167 ASTM B168 ASTM B751 ASTM B775 ASTM B829 |
WS 2.4851 | ||
| Alloy 617 | Inconel 617 | UNS N06617 | AMS 5887 Bar and Forgings AMS 5888 Plate AMS 5889 Sheet and Strip |
WS 2.4663a | ||
| Alloy 625 | Inconel 625 | UNS N06625 | BS 3072 BS 3073 BS 3074 BS 3075 BS 3076 NA21 |
AMS 5581 Tube AMS 5599 Sheet, Strip and Plate AMS 5666 Bar, Forgings AMS 5869 Sheet, Strip and Plate AMS 5879 Sheet, Strip and Foil AMS 5837 Welding Wire |
WS 2.4856 | AFNOR NC22DNb |
| Alloy 706 | Inconel 706 | UNS N09706 | AMS 5701 Bar and Forgings AMS 5702 Bar and Forgings AMS 5703 Bar and Forgings AMS 5605 Sheet, Strip and Plate AMS 5606 Sheet, Strip and Plate |
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| Alloy 718 | Inconel 718 | UNS N07718 | AMS 5662 Bar and Forgings AMS 5663 Bar and Forgings AMS 5664 Bar and Forgings AMS 5589 Seamless Tube AMS 5590 (Tube *) AMS 5596 Sheet, Strip and Plate AMS 5597 Sheet, Strip and Plate AMS 5832 Welding Wire AMS 5914 Sheet, Strip and Foil AMS 5950 (718SPF) Sheet & Strip |
WS 2.4668 | ||
| Alloy 722 | Inconel 722 | UNS N07722 | AMS 5541 Sheet and Strip AMS 5714 Bar and Forgings |
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| Alloy 725 | Inconel 725 | UNS N07725 | ASTM B805 | |||
| Alloy X750 | Inconel X750 | UNS N07750 UNS N07752 |
AMS 5542 Sheet, Strip and Plate AMS 5582 Seamless Tube AMS 5583 Seamless Tube AMS 5747 Bar and Forgings AMS 5779 Welding Electrodes AMS 5598 Sheet, Strip and Plate AMS 5667 Bar and Forgings AMS 5668 Bar and Forgings AMS 5669 Bar AMS 5670 Bar and Forgings AMS 5671 Bar and Forgings AMS 5698 Wire AMS 5699 Wire |
WS 2.4669 | ||
| Alloy X | Inconel HX Hastelloy X |
UNS N06002 | AMS 5536 Sheet, Strip and Plate AMS 5754 Bar and Forgings AMS 5798 Welding Wire AMS 5587 Seamless Tube AMS 5588 Welded Tube |
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| Alloy W | Hastelloy W | UNS N10004 | AMS 5755 Bar and Forgings AMS 5786 Welding Wire |
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| Alloy 800 Alloy 800H Alloy 800HT (Welding) |
Incoloy 800 Incoloy 800H Incoloy 800HT |
N08800 N08810 N08811 |
BS 3072 BS 3073 BS 3074 BS 3075 BS 3076 NA15 |
AMS 5766 Bar and Forgings AMS 5871 Sheet, Strip and Plate ASTM B408 ASTM B564 ASTM A240 ASTM A480 |
WS 1.4876 WS 1.4958 WS 1.4959 |
|
| Alloy 825 | Incoloy 825 | UNS N08825 | BS 3072 BS 3073 BS 3074 BS 3075 BS 3076 NA16 |
ASTM B425 ASTM B424 ASTM B163 (Tube *) |
WS 2.4858 | |
| Alloy 901 | Nimonic 901 Incoloy 901 |
UNS N09901 | AMS 5830 Welding Wire AMS 5660 Bar and Forgings AMS 5661 Bar and Forgings |
WS 2.4662 | ||
| Alloy 907 | Incoloy 907 | UNS N19907 | ||||
| Alloy 909 | Incoloy 909 | UNS N19909 | AMS 5884 Bars, Forgings, Rings AMS 5892 Sheet, Strip AMS 5893 Bars, Forgings, Rings |
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| Alloy 925 | Incoloy 925 | UNS N09925 | ||||
| Alloy C276 | Inconel C276 Hastelloy C276 |
UNS N10276 | AMS 5750 ASTM B462 ASTM B564 ASTM B574 ASTM B575 ASTM B622 ASTM B626 (Tube *) ASTM B619 ASTM B775 |
WS 2.4819 | ||
| Alloy 75 | Nimonic 75 Haynes 75 |
UNS N06075 | BS HR5 Alloy 75 Bar BS HR203 Alloy 75 sheet BS HR403 Alloy 75 tube* BS HR504 Alloy 75 Bar (rivet) |
WS 2.4630 WS 2.4951 |
AFNOR NC 20T | |
| Alloy 80A | Nimonic 80A | UNS N07080 | BS 3072 NA20 BS HR1 Alloy 80A Bar BS HR201 Alloy 80A sheet BS HR401 Alloy 80A Tube BS HR601 Alloy 80A Bar (rivet) |
ASTM B637 | WS 2.4631 WS 2.4952 |
AFNOR NC 20TA |
| Alloy 86 | Nimonic 86 | |||||
| Alloy 90 | Nimonic 90 | UNS N07090 | BS HR2 Alloy 90 bar BS HR202 Alloy 90 sheet BS HR402 Alloy 90 tube BS HR501 Alloy 90 wire (springs) BS HR501 Alloy 90 wire (springs) |
AMS 5829 Welding Wire | WS 2.4632 | |
| Alloy 263 | Nimonic 263 Haynes 263 |
UNS N07263 | BS HR10 BS HR206 BS HR404 |
AMS 5872 Sheet Strip and Plate AMS 5886 Bar and Forgings |
WS 2.4650 | |
| Alloy 105 | Nimonic 105 | BS HR3 | WS 2.4634 | AFNOR NCKD 20ATv | ||
| Alloy 115 | Nimonic 115 | BS HR4 | WS 2.4636 | AFNOR NCK 15ATD | ||
| Alloy PE11 | Nimonic PE11 | WS 2.4662 | AFNOR Z8 NC D38 | |||
| Alloy PE16 | Nimonic PE16 | BS HR55 BS HR207 |
AFNOR NW 11AC | |||
| Alloy PK33 | Nimonic PK33 | DTD 5057 | AFNOR NC19 KDu/v |
Commercially Pure Grades
| Grade | British Specs | US Specs | ASTM Specs | German Specs | French Specs |
| Grade 1 | AMS-T-9046B CP4 AMS 4940 MIL-T-9046J CP4 |
ASTM B265 Gr1 Sheet/plate ASTM B337 Gr1 pipe (withdrawn) ASTM B338 Gr1 heat exchange tube ASTM B348 Gr1 bar ASTM B367 Gr1 castings ASTM B381 Gr1 forgings ASTM F67 Gr1 Surgical Implant ASTM F467 Gr1 nuts ASTM F468 Gr 1 bolts |
WS 3.7024 CP Grade 1 WS 3.7025 CP Grade 1 |
T35- CP Grade 1 | |
| Grade 2 | TA1 sheet/strip TA2 sheet/strip TA3 bar (obs) TA4 forging (obs) TA5 forging (obs) DTD 5073 IMI 125 |
AMS-T-9046B CP3 AMS 4902 MIL-T-9046J CP3 AMS 4941 AMS 4942 AMS 4951 Welding wire* |
ASTM B265 Gr2 Sheet/plate ASTM B337 Gr2 pipe (withdrawn) ASTM B338 Gr2 heat exchange tube* ASTM B348 Gr2 bar ASTM B367 Gr2 castings ASTM B381 Gr2 forgings ASTM F67 Gr2 Surgical Implant ASTM F467 Gr2 nuts ASTM F468 Gr2 bolts |
WS 3.7034 CP Grade 2 WS 3.7035 CP Grade 2 |
T40- CP Grade 2 T40- AIR 9182 |
| Grade 3 | MSRR 8608 DTD 5003 DTD 5023 |
AMS-T-9046B CP2 MIL-T-9046J CP2 |
ASTM B265 Gr3 Sheet/plate ASTM B337 Gr3 pipe (withdrawn) ASTM B338 Gr3 heat exchange tube* ASTM B348 Gr3 bar ASTM B367 Gr3 castings ASTM B381 Gr3 forgings ASTM F67 Gr3 Surgical Implant ASTM F467 Gr3 nuts ASTM F468 Gr3 bolts |
WS 3.7054 CP Grade 3 WS 3.7055 CP Grade 3 |
T50- CP Grade 3 |
| Grade 4 | TA6 TA7 TA8 TA9 |
AMS-T-9046B CP1 AMS-T-9047A CP70 AMS 4901 AMS 4921 MIL-T-9046J CP1 MIL-T-9047G CP70 |
ASTM B265 Gr4 Sheet/plate ASTM B337 Gr4 pipe (withdrawn) ASTM B338 Gr4 heat exchange tube* ASTM B348 Gr4 bar ASTM B367 Gr4 castings ASTM B381 Gr4 forgings ASTM F67 Gr4 Surgical Implant ASTM F467 Gr4 nuts ASTM F468 Gr4 bolts |
WS 3.7064 CP Grade 4 WS 3.7065 CP Grade 4 |
T60- CP Grade 4 |
| Grade 7 | ASTM B265 Gr7 Sheet/plate ASTM B337 Gr7 pipe (withdrawn) ASTM B338 Gr7 heat exchange tube* ASTM B348 Gr7 bar ASTM B367 Gr7 castings ASTM B381 Gr7 forgings ASTM F467 Gr7 nuts ASTM F468 Gr7 bolts |
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| Grade 12 | ASTM B265 Gr12 Sheet/plate ASTM B337 Gr12 pipe (withdrawn) ASTM B338 Gr12 heat exchange tube* ASTM B348 Gr12 bar ASTM B367 Gr12 castings ASTM B381 Gr12 forgings ASTM F467 Gr12 nuts ASTM F468 Gr12 bolts |
INDIA
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AFRICANigeria NORTH AMERICAUsa |
EUROPERussia |
ASIASingapore SOUTH AMERICAArgentina |
MIDDLE EASTSaudi Arabia |
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