Class 300 Flange Overview
| Class 300 Forged Flange Classification | TH (Threaded) flange, BL (Blind) flange, SO (Slip-On) flange, LJ (Lapped) flange, SW (Socket Weld) flange, WN (Weld Neck) flange |
|---|---|
| Class 300 Flange Sizes and No. of Bolts | 10-14″: 12 Bolts, 1/2 -3″: 4 Bolts, 16-24″: 20 Bolts, 3 1/2-8″: 8 Bolts |
| Standard | ANSI/ ASME B16.5 |
View ASME B16.5 Class 300 Slip on Flange Dimensions and Weight Chart
ASA 300 Weld Neck Flange as per ASME B16.5 for Petrochemical and Refineries, Buy Stainless Steel #300 Blind Flange At Best Price in Dubai
Class 300 Flange Pressure Rating
Check ANSI 300 Flanges Dimensions in mm and Carbon Steel Cl 300 Forged Flange Weight, And Specification
Class 300 Flange Specification
Dimensions: ASME B16.5
ASME B16.5 Class 300 : NPS ½” to 24″
Testing: Hardness Test
Faces: Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Lap-Joint Face (LJF), Tongue & Groove, Groove
Get Quote Directly from Class 300 Flange suppliers
100% Tested Class 300 Flange with MTC EN 10204/3.1
Piping Material Introduces Trusted Names of Distributors and Stockist of ANSI B16.5 300 Lap Joint Flange in The Middle East and Asia
Bolt Chart of B16.5 Class 300 Flange
| Size in Inch | Size in mm | Machine Bolt Length | ISO Stud Size | RF Stud Length | No of Bolts | Bolt Size UNC |
|---|---|---|---|---|---|---|
| 24 | 600 | 205 | M39 | 230 | 24 | 1 1/2 |
| 20 | 500 | 185 | M33 | 205 | 24 | 1 1/4 |
| 18 | 450 | 170 | M33 | 195 | 24 | 1 1/4 |
| 16 | 400 | 165 | M33 | 190 | 20 | 1 1/4 |
| 14 | 350 | 160 | M30 | 180 | 20 | 1 1/8 |
| 12 | 300 | 145 | M30 | 170 | 16 | 1 1/8 |
| 10 | 250 | 140 | M27 | 160 | 16 | 1 |
| 4 | 100 | 95 | M20 | 115 | 8 | 3/4 |
| 8 | 200 | 120 | M24 | 140 | 12 | 7/8 |
| 6 | 150 | 110 | M20 | 120 | 12 | 3/4 |
| 5 | 125 | 110 | M20 | 120 | 8 | 3/4 |
| 3 | 80 | 90 | M20 | 110 | 8 | 3/4 |
| 3 1/2 | 90 | 95 | M20 | 110 | 8 | 3/4 |
| 2 | 50 | 75 | M16 | 90 | 8 | 5/8 |
| 2 1/2 | 65 | 85 | M20 | 100 | 8 | 3/4 |
| 1 1/2 | 40 | 75 | M20 | 90 | 4 | 3/4 |
| 1 | 25 | 65 | M16 | 75 | 4 | 5/8 |
| 1/2 | 15 | 55 | M14 | 65 | 4 | 1/2 |
ASME Class 300 Threaded Flange and 300 LB MS Flange in Custom Machining And Sizes, Check 300 RF Flange Price per kg in Sharjah
| Duplex Steel Class 300 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 300 Flange | ASTM B564 / ASME SB 564M, Nickel 200, Alloy 201, Nickel 205LC, Nickel 205 |
| Inconel ANSI 300 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 Class 300 Flange | ASTM B564 UNS N08825, UNS N09925 |
| Incoloy Alloy 20 300 LB Flange | ASTM B462 UNS N08020 |
| Hastelloy ANSI 300 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 300 Weld Neck Flange | ASTM B564 UNS N04400, UNS N05500 |
| SS 904L ASA 300 Flange | UNS N08904 |
| Stainless Steel 300 Class Flange | ASTM A182 Gr 304, 304L, 316, 316L, 310, 310S, 317L, 316Ti, 321, 347, 347H, UNS S66286 |
| Carbon Steel 300 NB Flange | ASTM A105, A105N, A350 LF2 (LTCS), LF3, AISI 4130, AISI 4140, AISI 4340, AISI 4145 |
| Carbon Steel ASTM A694 ANSI Class 300 Flange | A694 F42, F46, F52, F60, F65, F706 |
| Alloy Steel 300 RF Flange | ASTM A182 F5, F9, F11, F22, F91 |
| Cupro Nickel 12 Class 300 Flange | Copper Nickel 90/10 and Cuni 70/30 |
| Titanium WnRF Flange Class 300 | Titanium Gr 2, Gr 5 |
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 |
Various Types of Class 300 Flange
Class 300 slip on flanges
ANSI 300 weld neck flange
300 lb blind flanges
ASA 300 socket weld flange
300 nb threaded flange
Cl 300 forged flanges
Class 300# ring type joint flange
ASA 300 lap joint flanges
300 lbs spectacle blind flange
How to Calculate ASA 300 Flange Weight?
| NPS | Weld Neck | Blind | Lap Joint | Slip On | Threaded | Socket Weld |
|---|---|---|---|---|---|---|
| 24 | 261 | 360 | 247.5 | 220.5 | 220.5 | 213.8 |
| 22 | 209.3 | 288 | 195.8 | 166.5 | 166.5 | 166.5 |
| 20 | 180 | 231.8 | 168.8 | 141.8 | 146.3 | 141.8 |
| 18 | 144 | 186.3 | 137.3 | 113.9 | 126 | 112.5 |
| 16 | 112.5 | 141.8 | 105.3 | 94.5 | 99 | 85.5 |
| 14 | 92.7 | 112.5 | 85.5 | 74.3 | 74.3 | 74.3 |
| 12 | 63.9 | 83.3 | 63 | 51.8 | 51.8 | 51.8 |
| 10 | 45 | 55.8 | 40 | 36.5 | 36.5 | 36.5 |
| 8 | 31.1 | 36.5 | 26.1 | 26.1 | 26.1 | 26.1 |
| 6 | 20.3 | 22.5 | 17.6 | 17.6 | 17.6 | 17.6 |
| 5 | 16.2 | 16.7 | 12.6 | 13.0 | 13.9 | 12.6 |
| 4 | 11.9 | 12.6 | 10.8 | 10.6 | 10.8 | 9.9 |
| 3½ | 9 | 9.5 | 7.7 | 7.7 | 7.7 | 7.7 |
| 3 | 8.1 | 7.2 | 6.5 | 5.9 | 6.3 | 5.9 |
| 2½ | 5.4 | 5.4 | 4.5 | 4.5 | 4.5 | 4.5 |
| 1¼ | 2.3 | 2.7 | 2.1 | 2 | 2 | 1.8 |
| 1½ | 3.2 | 3.2 | 2.9 | 2.9 | 2.9 | 2.7 |
| 1 | 1.8 | 1.8 | 1.4 | 1.4 | 1.4 | 1.4 |
| 2 | 4.1 | 3.6 | 3.2 | 3.2 | 3.2 | 3.2 |
| 1/2 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 1.4 |
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 |
ANSI 300 Flange Bolt Torque Chart
| Size (mm) | Deeper Than the Serrations (mm) | No Deeper Than Serrations (mm) |
|---|---|---|
| 600 | 6.0 | 12.0 |
| 500 | 6.0 | 12.0 |
| 450 | 6.0 | 12.0 |
| 400 | 4.5 | 10.0 |
| 350 | 4.5 | 8.0 |
| 300 | 4.5 | 8.0 |
| 250 | 4.5 | 8.0 |
| 200 | 4.5 | 8.0 |
| 150 | 3.0 | 6.0 |
| 125 | 3.0 | 6.0 |
| 100 | 3.0 | 6.0 |
| 90 | 3.0 | 6.0 |
| 80 | 1.5 | 4.5 |
| 65 | 1.5 | 3.0 |
| 50 | 1.5 | 3.0 |
| 40 | 1.5 | 3.0 |
| 32 | 1.5 | 3.0 |
| 25 | 1.5 | 3.0 |
| 20 | 1.5 | 3.0 |
| 15 | 1.5 | 3.0 |
ASME B16.5 Class 300 RF Flange Advantages And Application
- Durable design
- Ease installation
- Widely available
- Better sealing
- Higher pressure
300 Class Flange Thickness Chart
| Size (NB) | Thickness (mm) | O.D of Flange (mm) |
|---|---|---|
| 500 | 63.5 | 774.7 |
| 450 | 60.3 | 711.2 |
| 400 | 57.2 | 647.7 |
| 350 | 54.0 | 584.2 |
| 300 | 50.8 | 520.7 |
| 250 | 47.6 | 444.5 |
| 200 | 41.3 | 381.0 |
| 150 | 36.5 | 317.5 |
| 125 | 34.9 | 279.4 |
| 100 | 31.8 | 254.0 |
| 80 | 28.6 | 209.6 |
| 65 | 25.4 | 190.5 |
| 50 | 22.2 | 165.1 |
| 40 | 20.6 | 155.6 |
| 32 | 19.1 | 133.4 |
| 25 | 17.5 | 123.8 |
| 20 | 15.9 | 117.5 |
| 15 | 14.3 | 95.3 |
Sales Agents in Following Locations
| Muscat | Riyadh | Dubai | Ras Al Khaimah |
|---|---|---|---|
| Sharjah | Fujairah | Umm Al Quwain | Doha |
| Saudi Arabia | Al Jubail | Abu Dhabi | Ajman |
Applications of RF Class 300 Flange
Class 300 Blind Flange Surface Finishes
| Surface Texture | Finish Type | Typical Ra (Microinches) |
|---|---|---|
| Polished, reflective | Mirror | < 32 |
| Concentric grooves | Serrated | 32 – 125 |
| Flat, machined smooth | Smooth | 125 – 250 |
| Sizes (inch) | Gasket Type |
|---|---|
| 1/2 to 24 | Rubber, elastomer |
| Metallic, spiral wound | |
| High purity, sensitive gaskets |
Which Test is Non Destructive Test of ASME Class 300 Socket Weld Flange?
Ultrasonic and radiographic testings are non destructive test of ASME class 300 socket weld flange
Typical Roughness of ANSI Class 300 Flange
| Typical Roughness (Ra) | Flange Face Type |
|---|---|
| 3.2-6.3 μm | Male and Female |
| 3.2-6.3 μm | Raised Face (RF) |
| 3.2-6.3 μm | Tongue and Groove |
| 1.6 μm (Smooth) | Ring Type Joint (RTJ) |
| 6.3-12.5 μm | Flat Face (FF) |
How to Test Material Before Accepting the Delivery of Carbon Steel Cl 300 Slip on Flange?
Check following testings material before accepting the delivery:
- Dimensional Inspection
- Visual Inspection
- Marking Verification
- Mill Test Certificate
- NDT Testing
- Check Coating/Finish
- Mechanical Test
Readily Available Stock Of Class 300 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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