Class 300 Flanges Synopsis
- Sizes: 1/2″ to 48″
- Pressure Class: Class 150-2500
- Material: SS, Carbon , Nickel Alloy
- Manufacturing : Forging
- MTC: EN 10204 3.1 and 3.2
Class 300 Flanges
ANSI 300 Slip On Flange
Cl 300 Blind Flanges
Table of Content
- Class 300 Flanges Specification
- ASME B16.47 Series B Class 300 Blind Flange Dimenesions
- Class 300 Flanges Price List
- 300 Wnrf Flange Finish
- ASME B16.5 Class 300 Forged Flanges Testings
- ANSI 300 Socket Weld Flange Applications
- 300 Lb ANSI Flange Pressure Ratings
- Types of Class 300 Flanges
- Class 300 RF Flange Weight Chart
- Available Material for Class 300 Flanges
- Cl 300 Blind Flange Bolt Hole Pattern
- MSS SP-44 300# Flange Thickness
- ANSI 300 Flange Sizes
- 300 LB Pipe Flange Torque Chart
- MSS SP-44 Class 300 Material Requirements
- Class 300 Flange Gasket Dimensions in Mm
- Cl 300 Socket Weld Flange Installation Considerations
- Class 300 Long Weld Neck Flange Advantages and Disadvantages
Check Class 300 Flanges Supplier in India who offers Schedule upto XXS
300 Flange Types
- Socket Weld
- Blind
- Weld Neck
- Slip On
Class 300 Flanges Sizes
- NPS: 1/2″ to 48″
- SCH: Sch 5 to XXS
- Class:150 to 2500#
- Custom Size Available
2 300 Wnrf Flange Standards
- ANSI B16.5
- ASME B16.5
- ASME B16.47 Series A & B
300 Lb ANSI Flange Material
- Gasket
- Ring Joint
- Flange Bolts
ASME B16.5 Class 300 Flange Equipment
- Press Machine
- Pushing Machine
- Bending machine
300 Threaded Flange Coating
- Oil Black Paint
- Zinc Plated
- Anti-rust Paint
Class 300 Lap Joint Flanges Finish
- Smooth
- Mirror
- Serrated
- Spiral/Concentric
300# Plate Flange Origin
- Indian
- European
- Korean
- Japan
ANSI 300 Orifice Flanges Face
- FF
- RF
- T&G
- RTJ
Class 300 Flanges Process
- Casting
- Cutting
- Rolling
- Forging
300# Series A Flange Testing
- Pressure
- Tensile
- Hardness test
- PMI
ANSI B16.5 Class 300Blind Flange Threads
- BSPP
- BSPT
- NPT
- FNPT, MNPT
Most Demanded 2/ 1 1 2 ANSI 300 Flange Manufacturer in India, Refer Dimensions
Find Class 300 Flanges Manufacturer in India who provides appropriate Dimensions
| NPS | D | OD | B (BLF) |
A | H |
|---|---|---|---|---|---|
| 26 | 865 | 665.2 | 89 | 702 | 169.6 |
| 32 | 1055 | 819.2 | 103.2 | 864 | 168.6 |
| 28 | 920 | 716 | 89 | 756 | 149.6 |
| 34 | 1110 | 870 | 103.2 | 918 | 172.6 |
| 30 | 990 | 768.4 | 93.7 | 813 | 157.6 |
| 38 | 1220 | 971.6 | 111.2 | 1016 | 191.6 |
| 36 | 1170 | 920.8 | 103.2 | 965 | 180.6 |
| 42 | 1335 | 1074.7 | 119.1 | 1118 | 204.6 |
| 40 | 1275 | 1022.4 | 115.9 | 1067 | 198.6 |
| 46 | 1460 | 1176.3 | 130.2 | 1229 | 222.6 |
| 44 | 1385 | 1125.5 | 127.1 | 1173 | 214.6 |
| 50 | 1560 | 1277.9 | 139.8 | 1330 | 234.6 |
| 48 | 1510 | 1227.1 | 135 | 1278 | 223.6 |
| 54 | 1675 | 1379.5 | 149.3 | 1435 | 239.6 |
| 52 | 1615 | 1328.7 | 144.2 | 1383 | 242.6 |
| 58 | 1825 | 1481.1 | 162 | 1548 | 274.6 |
| 56 | 1765 | 1430.3 | 157 | 1494 | 268.6 |
| 60 | 1880 | 1557.3 | 166.7 | 1599 | 271.6 |
Supply Japanese Origin 300 Blind Flange With Sch 5 to XXS At Discounted Price
To Get Updated Class 300 Flanges Price List Click Here
Supplier Of Forged Class 300 RF Flange in Mumbai With Spiral and Serrated Surface Finish
Explore Class 300 Flanges Stockist in India who offers Smooth and Mirror Finish
- Spiral Serrated Finish
- Concentric Serrated Finish
- Smooth Finish
- Mirror Finish
- Machined Serrated Finish
Buy 300 WNRF Flange Stock Online With MTC Tested With PMI and Hardness Test
Find Class 300 Flanges Supplier in India providing various Testings
- Hydrostatic testing
- Hardness Test
- Magnetic Particle Testing
- Impact Test
- Non-Destructive Testing (NDT)
- Destructive Testing
- Tensile Test
- Ultrasonic Testing
- PMI Test
Offer Cl 300 Blind Flange With Pressure Upto Class 300 Ideal For High Pressure Application
Discover Class 300 Flanges Manufacturer in India delivering to various Industries
| Temperature (°C) | Working Pressure |
|---|---|
| Class 300 | |
| 450 | 46.0 |
| 538 | 11.8 |
| 425 | 57.5 |
| 500 | 23.2 |
| 475 | 34.2 |
| 375 | 75.7 |
| 400 | 69.4 |
| 350 | 80.0 |
| 300 | 85.7 |
| 325 | 82.6 |
| 250 | 92.7 |
| 150 | 100.3 |
| 200 | 97.2 |
| 50 | 103.4 |
| 100 | 103.0 |
| -29 – 38 | 103.4 |
Get various Types of Flanges from Class 300 Flanges Supplier in India at Best price
Class 300 Flanges
ANSI 300 Slip On Flange
Cl 300 Blind Flanges
300 Weld Neck Flange
ASME B16.5 Class 300 Socket Weld Flange
300 Threaded Flange
MSS SP-44 300 Plate Flange
ANSI 300 Lap Joint Flanges
B16.5 Class 300 Orifice Flanges
ANSI 16.5 Cl 300 Ring Type Joint Flange
Cl 300 Spectacle Blind Flanges
ANSI 300 LB 300 Long Weld Neck Flange
Check Class 300 Flanges Manufacturer in India who provides Exact Weight in Italy, Nigeria, Houston, South Africa ,Europe, Texas , Mexico, Usa, Singapore
| CLASS | Soket-weld | NPS | Slip-on | Lap-Joint | NPT | Weld-neck | Blind |
|---|---|---|---|---|---|---|---|
| ASME B16.5 Class 600 Flange | 2 | ½ | 1 | 1 | 1 | 2 | 2 |
| 2 | 1 | 2 | 2 | 2 | 3 | 2 | |
| 2 | ¾ | 2 | 2 | 2 | 2 | 2 | |
| 3 | 1½ | 3 | 3 | 3 | 4 | 4 | |
| 3 | 1¼ | 3 | 3 | 3 | 3 | 3 | |
| 5 | 2 | 5 | 5 | 5 | 6 | 5 | |
| 8 | 2½ | 8 | 8 | 8 | 10 | 7 | |
| 9 | 3 | 9 | 9 | 9 | 11.5 | 9 | |
| 13 | 4 | 13 | 13 | 13 | 16.5 | 17 | |
| 11 | 3½ | 11 | 11 | 12 | 12 | 13 | |
| 15 | 5 | 15 | 15 | 15 | 21 | 20 | |
| 30 | 8 | 30 | 30 | 30 | 42 | 47 | |
| 19 | 6 | 19 | 19 | 19 | 26 | 27 | |
| 64 | 12 | 64 | 64 | 64 | 88 | 123 | |
| 43 | 10 | 43 | 43 | 43 | 54 | 70 | |
| 98 | 16 | 106 | 140 | 98 | 140 | 180 | |
| 90 | 14 | 90 | 105 | 90 | 114 | 140 | |
| 165 | 20 | 165 | 195 | 165 | 197 | 285 | |
| 130 | 18 | 130 | 160 | 130 | 165 | 220 | |
| 220 | 24 | 220 | 275 | 220 | 268 | 430 | |
| 185 | 22 | 185 | 245 | 185 | 225 | 355 |
Stainless Steel Class 300 Flanges
- ASTM A182 F304 ( 1.4301, V2A )
- 310, 321H, 321, 347, 317, 347H, 904L
- 316 (1.4401, V4A), 304L (1.4307),
- 316LSi (1.4408, CF8M), 304H, 310S,
- 316l (1.4404), 316Ti (1.4571),
Carbon Steel Class 300 Flanges
- ASTM A181
- A516 Gr.70, ASTM A36
- ASTM A105/ ASME SA 105
- A694 F46, F42, F60, F52, F70, F65
- A350 LF 2, A105N
Duplex Steel Class 300 Flanges
- ASTM A182 F51 UNS S31803
- Alloy 2205
- ASME SA 182
- ASTM A182
- ASTM A182 F60 UNS S32205
Super Duplex Class 300 Flanges
- A182 F55 UNS S32760
- ASTM A182 F44 UNS S31254
- A182 F45 UNS S30815
- ASTM A182 F53 UNS S32750
- ASTM A182 F61 UNS S32950
Inconel Class 300 Flanges
- Inconel 601 (UNS N06601)
- Inconel 600 (UNS N06600)
- Inconel 825 (UNS N08825)
- Inconel 625 (UNS N06625)
- Inconel 800 (UNS N08800)
Hastelloy Class 300 Flanges
- SB 366 Hastelloy C22 (N06022)
- Hastelloy B3 (UNS N10675)
- Hastelloy B2(UNS N10665)
- B366 Hastelloy C276 (N10276)
- Hastelloy X(UNS N06002)
Nickel Alloy Class 300 Flanges
- ASTM B162 Nickel 200 (UNS N02200)
- ASTM B564 Nickel 201 (UNS N02201)
- ASTM B160 Alloy 20 (UNS N08020)
Monel Class 300 Flanges
- Monel 500 (UNS N05500)
- ASTM B472 Monel 400 (UNS N04400)
- Monel 401(UNS N04401)
Copper Nickel Class 300 Flanges
- ASTM B151 /ASME SB 151
- Cupro Nickel 70/30(UNS C71500 )
- Copper Nickel 90/10 (UNS C70600 )
Alloy Steel Class 300 Flanges
- F22, F91
- A387 F1
- F5, F9
- ASTM A182
- F11, F12
Copper Class 300 Flanges
- UNS C10200, C10300
- ASTM B61, SB62 C11000
- C12200
- ASTM B152 C10100
- C10800, C12000
Brass Class 300 Flanges
- C28000, C33000
- C26200
- UNS C24000, C23000
- ASTM B16 C27000, C26000
- C44300
|
ASME B16.5 Class 300 Flange
|
||||
|---|---|---|---|---|
| NPS | Studs or Bolts | Diameter of Studs or Bolts | Length of Stud | |
| 1/16 RF | RTJ | |||
| 1/2 | 4 | 0.50 | 2-1/4 | – |
| 1 | 4 | 0.50 | 2-1/2 | 3 |
| 3/4 | 4 | 0.50 | 2-1/2 | – |
| 1-1/2 | 4 | 0.50 | 2-3/4 | 3-1/4 |
| 1-1/4 | 4 | 0.50 | 2-3/4 | 3-1/4 |
| 2 | 4 | 0.63 | 3-1/4 | 3-3/4 |
| 3 | 4 | 0.63 | 3-1/2 | 4 |
| 2-1/2 | 4 | 0.63 | 3-1/2 | 4 |
| 3-1/2 | 8 | 0.63 | 3-1/2 | 4 |
| 5 | 8 | 0.75 | 3-3/4 | 4-1/4 |
| 4 | 8 | 0.63 | 3-1/2 | 4 |
| 6 | 8 | 0.75 | 4 | 4-1/2 |
| 10 | 12 | 0.88 | 4-1/2 | 5 |
| 8 | 8 | 0.75 | 4-1/4 | 4-3/4 |
| 16 | 16 | 1.00 | 5-1/4 | 5-3/4 |
| 12 | 12 | 0.88 | 4-3/4 | 5-1/4 |
| 18 | 16 | 1.13 | 5-3/4 | 6-1/4 |
| 14 | 12 | 1.00 | 5-1/4 | 5-3/4 |
| 24 | 20 | 1.25 | 6-3/4 | 7-1/4 |
| 20 | 20 | 1.13 | 6-1/4 | 6-3/4 |
Find Class 300 Flanges Stockist in India offering Best Quality Flanges with various Thickness and Dimensions
| NPS | # Bolt Holes |
“A” (Outside Daimeter) |
Diameter of Bolt Holes |
“B” (Thickness) |
“C” (RF Diameter) |
Appr. Weight |
“D” (B.C.D.) |
|---|---|---|---|---|---|---|---|
| 1-1/2″ | 4 | 5 | 5/8 | 11/16 | 2-7/8 | 3 | 3-7/8 |
| 1/2″ | 4 | 3-1/2 | 5/8 | 7/16 | 1-3/8 | 2 | 2-3/8 |
| 1″ | 4 | 4-1/4 | 5/8 | 9/16 | 2 | 2 | 3-1/8 |
| 3/4″ | 4 | 3-7/8 | 5/8 | 1/2 | 1-11/16 | 2 | 2-3/4 |
| 2-1/2″ | 4 | 7 | 3/4 | 7/8 | 4-1/8 | 7 | 5-1/2 |
| 1-1/4″ | 4 | 4-5/8 | 5/8 | 5/8 | 2-1/2 | 3 | 3-1/2 |
| 2″ | 4 | 6 | 3/4 | 3/4 | 3-5/8 | 4 | 4-3/4 |
| 3-1/2″ | 8 | 8-1/2 | 3/4 | 15/16 | 5-1/2 | 13 | 7 |
| 3″ | 4 | 7-1/2 | 3/4 | 15/16 | 5 | 9 | 6 |
| 5″ | 8 | 10 | 7/8 | 15/16 | 7-5/16 | 20 | 8-1/2 |
| 4″ | 8 | 9 | 3/4 | 15/16 | 6-3/16 | 17 | 7-1/2 |
| 8″ | 8 | 13-1/2 | 7/8 | 1-1/8 | 10-5/8 | 47 | 11-3/4 |
| 6″ | 8 | 11 | 7/8 | 1 | 8-1/2 | 27 | 9-1/2 |
| 10″ | 12 | 16 | 1 | 1-3/16 | 12-3/4 | 67 | 14-1/4 |
| 14″ | 12 | 21 | 1-1/8 | 1-3/8 | 16-1/4 | 139 | 18-3/4 |
| 12″ | 12 | 19 | 1 | 1-1/4 | 15 | 123 | 17 |
| 18″ | 16 | 25 | 1-1/4 | 1-9/16 | 21 | 217 | 22-3/4 |
| 16″ | 16 | 23-1/2 | 1-1/8 | 1-7/16 | 18-1/2 | 187 | 21-1/4 |
| 24″ | 20 | 32 | 1-3/8 | 1-7/8 | 27-1/4 | 415 | 29-1/2 |
| 20″ | 20 | 27-1/2 | 1-1/4 | 1-11/16 | 23 | 283 | 25 |
Find Class 300 Flanges Stockist in India who provides Custom Sizes
| NPS | O.D | Flange Height |
|---|---|---|
| 24 | 940 | 203 |
| 18 | 745 | 184 |
| 20 | 815 | 190 |
| 10 | 510 | 152 |
| 6 | 355 | 117 |
| 8 | 420 | 133 |
| 16 | 685 | 178 |
| 3 | 210 | 87 |
| 14 | 605 | 165 |
| 12 | 560 | 156 |
| 2½ | 190 | 87 |
| 4 | 275 | 102 |
| 1½ | 155 | 84 |
| 2 | 165 | 84 |
| 1 | 125 | 81 |
| Nominal Sizes (Inch) | Screw Thread | Screw Torque (NM) |
|---|---|---|
| 2 1/2″ | 130 | M12 |
| 5″ | M16 | 295 |
| 4″ | 295 | M16 |
| 3 1/2″ | 295 | M16 |
| 2″ | 130 | M12 |
| 1 1/2″ | 130 | M12 |
| 3″ | 295 | M16 |
| 1/2″ | 32 | M8 |
| 3/4″ | 70 | M10 |
| 1″ | 70 | M10 |
| 1 1/4″ | 70 | M10 |
- Minimum Material Grades
- Metallurgical Considerations
- Heat Treatment Specifications
- Material Testing Protocols
| Nominal bore | Flat ring gasket | Nominal bore | Flat ring and full face gasket | Full face gasket | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Outer diameter | Inner diameter | Outer diameter | Bolt circle diameter | Diameter of holes | Number of bolt holes | |||||||
| Inches | mm | Inches | mm | Inches | mm | Inches | mm | Inches | mm | |||
| 1 | 2 7/8 | 73.0 | 1 | 1.31 | 33.3 | 4 7/8 | 123.8 | 3 1/2 | 88.9 | 3/4 | 19.1 | 4 |
| 1/2 | 2 1/8 | 54.0 | 1/2 | 0.84 | 21.4 | 3 3/4 | 95.3 | 2 5/8 | 66.7 | 5/8 | 15.9 | 4 |
| 3/4 | 2 5/8 | 66.7 | 3/4 | 1.06 | 27.0 | 4 5/8 | 117.5 | 3 1/4 | 82.6 | 3/4 | 19.1 | 4 |
| 1 1/2 | 3 3/4 | 95.3 | 1 1/2 | 1.91 | 48.4 | 6 1/8 | 155.6 | 4 1/2 | 114.3 | 7/8 | 22.2 | 4 |
| 1 1/4 | 3 1/4 | 82.6 | 1 1/4 | 1.66 | 42.1 | 5 1/4 | 133.4 | 3 7/8 | 98.4 | 3/4 | 19.1 | 4 |
| 2 | 4 3/8 | 111.1 | 2 | 2.38 | 60.3 | 6 1/2 | 165.1 | 5 | 127.0 | 3/4 | 19.1 | 8 |
| 3 | 5 7/8 | 149.2 | 3 | 3.50 | 88.9 | 8 1/4 | 209.6 | 6 5/8 | 168.3 | 7/8 | 22.2 | 8 |
| 2 1/2 | 5 1/8 | 130.2 | 2 1/2 | 2.88 | 73.0 | 7 1/2 | 190.5 | 5 7/8 | 149.2 | 7/8 | 22.2 | 8 |
| 4 | 7 1/8 | 181.0 | 4 | 4.50 | 114.3 | 10 | 254.0 | 7 7/8 | 200.0 | 7/8 | 22.2 | 8 |
| 8 | 12 1/8 | 308.0 | 8 | 8.63 | 219.1 | 15 | 381.0 | 13 | 330.2 | 1 1/8 | 28.6 | 12 |
| 3 1/2 | 6 1/2 | 165.1 | 3 1/2 | 4.00 | 101.6 | 9 | 228.6 | 7 1/4 | 184.2 | 7/8 | 22.2 | 8 |
| 6 | 9 7/8 | 250.8 | 6 | 6.63 | 168.3 | 12 1/2 | 317.5 | 10 5/8 | 269.9 | 7/8 | 22.2 | 12 |
| 5 | 8 1/2 | 215.9 | 5 | 5.56 | 141.3 | 11 | 279.4 | 9 1/4 | 235.0 | 7/8 | 22.2 | 8 |
| 16 | 21 1/4 | 539.8 | 16 | 16.00 | 406.4 | 25 1/2 | 647.7 | 22 1/2 | 571.5 | 1 3/8 | 34.9 | 20 |
| 12 | 16 5/8 | 422.3 | 12 | 12.75 | 323.9 | 20 1/2 | 520.7 | 17 3/4 | 450.9 | 1 1/4 | 31.8 | 16 |
| 10 | 14 1/4 | 362.0 | 10 | 10.75 | 273.1 | 17 1/2 | 444.5 | 15 1/4 | 387.4 | 1 1/8 | 28.6 | 16 |
| 20 | 25 3/4 | 654.1 | 20 | 20.00 | 508.0 | 30 1/2 | 774.7 | 27 | 685.8 | 1 3/8 | 34.9 | 24 |
| 14 | 19 1/8 | 485.8 | 14 | 14.00 | 355.6 | 23 | 584.2 | 20 1/4 | 514.4 | 1 1/4 | 31.8 | 20 |
| 24 | 30 1/2 | 774.7 | 24 | 24.00 | 609.6 | 36 | 914.4 | 32 | 812.8 | 1 5/8 | 41.3 | 24 |
| 18 | 23 1/2 | 596.9 | 18 | 18.00 | 457.2 | 28 | 711.2 | 24 3/4 | 628.7 | 1 3/8 | 34.9 | 24 |
- Gasket Requirements
- Bolting Specifications
- Torque Requirements
| Advantages | Disadvantages |
|---|---|
| Ease of Installation | Limited High Pressure Applications |
| Cost Effectiveness | Weaker Joint Strength |
| Better Leak Proof Performance | Additional Welding Costs |
Weekly Deliveries Of Class 300 Flanges In Fllowing Countries
| Export to | Shipping Time in Days | Continent | Port |
|---|---|---|---|
 Bahrain |
9 | Asia | Khalifa Bin Salmanq |
 Oman |
5 | Asia | Salalah |
 Kuwait |
10 | Asia | Shuwaikh |
Monthly Deliveries Of ANSI 300 Flange in Following Countries
| Export To | Continent | Shipping Time in Days | Port |
|---|---|---|---|
 South Africa |
Africa | 25-30 | Mossel Bay Harbour |
 Spain |
Europe | 30 | Barcelona |
 Italy |
Europe | 28 | Genoa |
