
Class 600 Flange Overview
| Class 600 Forged Flange Classification | TH (Threaded) flange, BL (Blind) flange, SW (Socket Weld) flange, WN (Weld Neck) flange, SO (Slip-On) flange, LJ (Lapped) flange |
|---|---|
| Class 600 Flange Sizes and No. of Bolts | 1/2 -3″: 4 Bolts, 3 1/2-8″: 8 Bolts, 10-14″: 12 Bolts, 16-24″: 20 Bolts |
| Standard | ANSI/ ASME B16.5 |
Check ASME B16.5 600 LB Blind Flange Dimensions in mm, View Stainless Steel 600# Slip on Flange Pressure Rating

Alloy Steel 600LBS Weld Neck Flange Manufacturers in UAE Can Supply to Your Specifications At A Great Deal, Check ASA 600 Threaded Flanges & ANSI 600 Forged Flange Dimensions in mm
Class 600 Flange Pressure Rating

Connect With a Reliable Supplier of Carbon Steel 600 LB MS Flanges in Dubai That Has Undergone Auditing, And Who Also Offer Flanges In Custom Sizes That Meet International Standards
Class 600 Flange Specification

Dimensions: ASME B16.5
ASME B16.5 Class 600 : NPS ½” to 24″
Testings: PMI Testing
Faces: Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Lap-Joint Face (LJF), Tongue & Groove, Groove
Get Quote Directly from Class 600 Flange Suppliers
100% Tested Class 600 Flange with MTC EN 10204/3.1
Looking for an ASTM A105 Class 600 Pipe Flange Manufacturer? Super Duplex 600 Lb Flange Available in Various Types Including Slip On, Weld Neck, Blind, And Plate Flange

ANSI 600 Blind Flange

ASA 600 Slip on Flange

ASME B16 5 600 Plate Flange

600 NB Threaded Flange

ANSI Class 600 Weld Neck Flange

600 Series Ring Type Joint Flange

ANSI 600 Socket Weld Flange

ASA 600 Spectacle Blind Flange

ASME B16.5 600 Lap Joint Flange
ANSI Class 600 Flange Bolt Chart
| NPS | Length of Stud | Dia of Bolts or Studs | |
|---|---|---|---|
| – | RF | RTJ | – |
| 24 | 9 | 10 | 1.50 |
| 20 | 8 | 8-3/4 | 1.25 |
| 18 | 7-3/4 | 8-1/4 | 1.25 |
| 16 | 7-1/2 | 8 | 1.25 |
| 14 | 7 | 7-1/2 | 1.13 |
| 12 | 6-3/4 | 7-1/4 | 1.13 |
| 10 | 6-1/4 | 6-3/4 | 1.00 |
| 8 | 5-1/2 | 6 | 0.88 |
| 6 | 4-3/4 | 5-1/2 | 0.75 |
| 5 | 4-3/4 | 5-1/4 | 0.75 |
| 4 | 4-1/2 | 5 | 0.75 |
| 3-1/2 | 4-1/4 | 5 | 0.75 |
| 3 | 4-1/4 | 4-3/4 | 0.75 |
| 2-1/2 | 4 | 4-1/2 | 0.75 |
| 2 | 3-1/2 | 4 | 0.63 |
| 1-1/4 | 3-1/4 | 3-3/4 | 0.63 |
| 1-1/2 | 3-1/2 | 4 | 0.75 |
| 1 | 3 | 3-1/2 | 0.63 |
| 1/2 | 2-1/2 | 3 | 0.50 |
| 3/4 | 3 | 3-1/2 | 0.63 |
Sales Agents in Following Locations
| Muscat | Riyadh | Dubai | Ras Al Khaimah |
|---|---|---|---|
| Sharjah | Fujairah | Umm Al Quwain | Doha |
| Saudi Arabia | Al Jubail | Abu Dhabi | Ajman |
Buy ASTM a350 600 Lap Joint Flange At Affordable Prices From Trusted and Genuine Manufacturers & Suppliers in The Middle East And Africa
| Duplex Steel B16.5 Class 600 Flange | Duplex 2205, UNS S31803 (DIN 1.4462), UNS S32205, Super Duplex 2507, UNS S32750 (DIN 1.4410), UNS S32760, ASTM A182 Grade F51, F52, F53, F54, F55, F57, F59, F60, F61, SMO 254, AL6xn, 6Mo, UNS S31254, DIN 1.4547 |
|---|---|
| Nickel Alloy Class 600 Flange | ASTM B564 / ASME SB 564M, Nickel 200, Alloy 201, Nickel 205LC, Nickel 205 |
| Inconel ANSI 600 Flange |
ASME SB 564 UNS N06600 (Alloy 600) W.Nr. 2.4816, UNS N06601 (Alloy 601) W.Nr. 2.4851, UNS N06617 (Alloy 617) W.Nr. 2.4663a, ASTM B564 UNS N06625 (Alloy 625) W.Nr. 2.4856, UNS N06626 (Alloy 625LCF) W.Nr. 2.4856, UNS N06686 (Alloy 686) W.Nr. 2.4606, UNS N06690 (Alloy 690) W.Nr. 2.4642, UNS N06693 (Alloy 693), UNS N09706 (Alloy 706), UNS N07718 (Alloy 718) W.Nr. 2.4668, UNS N07719 (Alloy 718SPF), UNS N07725 (Alloy 725), UNS N07740 (Alloy 740H), UNS N07750 (Alloy X-750) W.Nr. 2.4669, UNS N07751 (Alloy 751), UNS N07754 (Alloy MA754), UNS R30783 (Alloy 783) |
| Incoloy 600 NB Flange | ASTM B564 UNS N08825, UNS N09925 |
| Incoloy Alloy 20 Class 600 Flange | ASTM B462 UNS N08020 |
| Hastelloy ASME B16 5 600 Flange | ASTM B564 UNS N10276 (Hastelloy C276), UNS N06022 (Hastelloy C22), UNS N06200 (C2000), UNS N06002 (X), UNS N10001 (B), UNS N10665 (B2), UNS N10675 (B3), UNS N06035 (G35), UNS N06985 (G3), UNS N06030 (G30), UNS N06455 (C4), UNS N07022 (C-22HS), UNS N10003 (N), UNS N06635 (S) |
| Monel Class 600 Flange | ASTM B564 UNS N04400, UNS N05500 |
| SS 904L Class 600 Flange | UNS N08904 |
| Stainless Steel 600 LB Flange | ASTM A182 Gr 304, 304L, 316, 316L, 310, 310S, 317L, 316Ti, 321, 347, 347H, UNS S66286 |
| Carbon Steel ANSI Class 600 Flange | ASTM A105, A105N, A350 LF2 (LTCS), LF3, AISI 4130, AISI 4140, AISI 4340, AISI 4145 |
| Carbon Steel ASTM A694 ANSI class 600 | A694 F42, F46, F52, F60, F65, F706 |
| Alloy Steel 600 NB Flange | ASTM A182 F5, F9, F11, F22, F91 |
| Cupro Nickel ANSI 600 Flange | Copper Nickel 90/10 and Cuni 70/30 |
| Titanium 600 series Flange | Titanium Gr 2, Gr 5 |
Why ANSI Class 600 Plate Flange Are Used in Pipeline?
The ANSI class 600 plate flange are used in pipeline because of:
- Temperature resistance
- Durability
- Leak prevention
- Strong connection
- Versatile application
- Safety assurance
ANSI Class 600 Flange Weight Chart
| NPS | Weld Neck | Blind | Slip On | Lap Joint | Socket Weld | Threaded |
|---|---|---|---|---|---|---|
| 24 | 439.7 | 562.5 | 394.2 | 389.7 | 394.2 | 394.2 |
| 22 | 324 | 450 | 265.5 | 301.5 | 265.5 | 265.5 |
| 20 | 310.5 | 384.8 | 275.4 | 271.8 | 275.4 | 275.4 |
| 18 | 249.8 | 299.3 | 214.2 | 211.1 | 214.2 | 214.2 |
| 16 | 216.5 | 237.2 | 164.7 | 180 | 164.7 | 164.7 |
| 14 | 156.2 | 170.1 | 116.6 | 130.5 | 116.6 | 116.6 |
| 12 | 101.7 | 132.8 | 96.8 | 108 | 96.8 | 96.8 |
| 10 | 85.5 | 103 | 79.7 | 87.8 | 79.7 | 79.7 |
| 8 | 54 | 63 | 51.8 | 50.4 | 51.8 | 51.8 |
| 6 | 36.5 | 38.7 | 36 | 35.1 | 36 | 36 |
| 5 | 30.6 | 30.6 | 28.4 | 28.4 | 28.4 | 28.4 |
| 4 | 18.9 | 18.5 | 16.7 | 16.2 | 16.7 | 16.7 |
| 3½ | 11.7 | 13 | 9.5 | 9 | 9.5 | 9.5 |
| 3 | 10.4 | 9 | 7.2 | 6.8 | 7.2 | 7.2 |
| 2½ | 8.1 | 6.8 | 5.9 | 5.4 | 5.9 | 5.9 |
| 2 | 5.4 | 4.5 | 4.1 | 4.1 | 4.1 | 4.1 |
| 1¼ | 2.7 | 2.7 | 2.3 | 2.3 | 2.3 | 2.3 |
| 1½ | 3.6 | 3.6 | 3.2 | 3.2 | 3.2 | 3.2 |
| 1 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| 1/2 | 1.4 | 1.4 | 0.9 | 0.9 | 0.9 | 0.9 |
Warehouse Locations of Partner Suppliers
| Middle East countries | Qatar, Lebanon, Bahrain, Saudi, Kuwait, UAE, Jordan, Iraq, Syria, Iran, Yemen |
|---|---|
| Africa | Nigeria, South Africa, Kenya, Morocco, Egypt, Tunisia, Algeria |
| MENA | Morocco, Libya, Algeria, Tunisia, Egypt, Israel, Palestine |
Why is Surface Treatment Important for CL 600 Blind Flange?
Surface treatment is important for cl 600 blind flange because:
- Corrosion resistance
- Improved sealing
- Enhanced durability
- Prevents wear and tear
- Increases service life
- Improved strength
ANSI 600 Flange Service Temperature
| Properties | Service Temperature |
|---|---|
| Values | 200° C – 400° C |
Check Out Your Nearby Locations For Fastest Deliveries
| Country | Cities |
|---|---|
| Netherlands | The Hague |
| Belgium | Meeuwen-Gruitrode |
| Netherlands | Amsterdam |
| Belgium | Antwerp |
| Netherlands | Haarlem |
| Belgium | Brussels |
| Belgium | Seraing |
| Belgium | Ghent |
| Belgium | Leuven |
| Netherlands | Eindhoven |
| Belgium | Westerlo |
| Netherlands | Rotterdam |
How Class 600 Blind Flange are Manufactured?

What is the Purpose of a B16.5 Class 600 Flange In Refinery & Petrochemical Industry?
The purpose of a B16.5 class 600 flange in refinery and petrochemical industry is mentioned below:
- Safety and Compliance
- Versatility in Connections
- Pressure Resistance
- Leak Prevention
Class 600 Flange Thickness Chart
| NPS | Thickness (mm) | O.D |
|---|---|---|
| 24 | 101.6 | 940 |
| 20 | 88.9 | 813 |
| 18 | 82.6 | 743 |
| 16 | 76.2 | 686 |
| 14 | 69.9 | 603 |
| 12 | 66.7 | 559 |
| 10 | 63.5 | 508 |
| 8 | 55.6 | 419 |
| 6 | 47.7 | 356 |
| 5 | 44.5 | 330 |
| 4 | 38.1 | 273 |
| 3-1/2 | 35.0 | 229 |
| 3 | 31.8 | 210 |
| 2-1/2 | 28.6 | 190 |
| 2 | 25.4 | 165 |
| 1-1/2 | 22.3 | 156 |
| 1-1/4 | 20.7 | 133 |
| 1 | 17.5 | 124 |
| 1/2 | 14.3 | 95 |
| 3/4 | 15.9 | 117 |
Uses & Applications of ASTM A105 Class 600 Pipe Flange
- Water treatment
- Refinery equipment
- Power generation
- Marine applications
- Pressure vessels
- Nuclear plants
- Chemical processing
ASME B16 5 600 Flange Bolt Torque
| NPS (in) | Bolt Torque (N-m) | Bolt Torque (ft-lb) | Class 600 Flange | |||
|---|---|---|---|---|---|---|
| – | Min | Max | Min | Max | No. of Bolts | Bolt Size (inch) |
| 24 | 1453.4 | 4359.0 | 1072 | 3215 | 24 | 1-7/8 |
| 20 | 1052.1 | 3157.7 | 776 | 2329 | 24 | 1-5/8 |
| 18 | 1145.7 | 3331.2 | 845 | 2457 | 20 | 1-5/8 |
| 16 | 827.0 | 2479.8 | 610 | 1829 | 20 | 1-1/2 |
| 14 | 581.6 | 1743.6 | 429 | 1286 | 20 | 1-3/8 |
| 12 | 515.2 | 1416.8 | 380 | 1045 | 20 | 1-1/4 |
| 10 | 473.2 | 1416.8 | 349 | 1045 | 16 | 1-1/4 |
| 8 | 432.5 | 999.2 | 319 | 737 | 12 | 1-1/8 |
| 6 | 275.2 | 672.5 | 203 | 496 | 12 | 1 |
| 5 | 303.7 | 672.5 | 224 | 496 | 8 | 1 |
| 4 | 210.2 | 447.4 | 155 | 330 | 8 | 7/8 |
| 3 | 97.6 | 276.6 | 72 | 204 | 8 | 3/4 |
| 2 | 48.8 | 145.1 | 36 | 107 | 8 | 5/8 |
| 2-1/2 | 67.8 | 202.0 | 50 | 149 | 8 | 3/4 |
| 1-1/2 | 90.8 | 272.5 | 67 | 201 | 4 | 3/4 |
| 1-1/4 | 52.9 | 153.2 | 39 | 113 | 4 | 5/8 |
| 1 | 42.0 | 126.1 | 31 | 93 | 4 | 5/8 |
| 1/2 | 16.3 | 47.5 | 12 | 35 | 4 | 1/2 |
Readily Available Stock Of Class 600 Flange
Storage Sites of Partner Suppliers
| City | Region | Country |
|---|---|---|
| Dubai | Middle East | United Arab Emirates |
| Abu Dhabi | Middle East | United Arab Emirates |
| Dammam | Middle East | Saudi Arabia |
| Riyadh | Middle East | Saudi Arabia |
| Doha | Middle East | Qatar |
| Abuja | Africa | Nigeria |
| Kuwait City | Middle East | Kuwait |
| Jeddah | Middle East | Saudi Arabia |
| Cairo | MENA | Egypt |
| Casablanca | MENA | Morocco |
| Johannesburg | Africa | South Africa |
| Cape Town | Africa | South Africa |
| Lagos | Africa | Nigeria |


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