Forged Flange
Forged Flange
ANSI/ASME B16.5 Forged Flange Specification
Forged Pipe Flange, Hot Forged Flange, Forged Steel Flanges to ANSI B16.5, Forged Hub Type Flange
Product Types:
- Forged Welding Flange
- Forged Steel Flange Weights
- Dimensions of PN16 Flanges EN 1092-1
- Forged Blind Flange
- Forged Flange Diameter
About Arcellor Controls: Arcellor Controls is a leading manufacturer and supplier of forged flanges in India. We offer a wide range of forged steel flanges, fabricated using premium quality raw materials and sophisticated technology by our expert professionals. Our forged pipe flanges are available in various specifications and designs, suitable for various applications in forging, automobile, process, and machine manufacturing industries. Known for their rugged construction and corrosion resistance, our ANSI B16.5 forged flanges meet diverse client needs with multiple thickness options.
Global Supply: We export our products to regions such as the UK, Europe, China, Italy, and many others. In India, we have established a strong presence in cities like Rajkot, Ahmedabad, and Chennai.
Applications: Our forged flanges are widely used in industries such as:
- Forging
- Automobile
- Process industries
- Machine manufacturing
Advantages:
- Rugged construction
- Corrosion resistance
- Available in various specifications and designs
- Manufactured using premium quality raw materials
Material Specifications:
Stainless Steel Forged Flanges:
- ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Duplex & Super Duplex Steel Forged Flanges:
- ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Carbon Steel Forged Flanges:
- ASTM / ASME A/SA 105, ASTM / ASME A 350, ASTM A 181 LF 2 / A516 Gr.70, A36, A694 F42, F46, F52, F60, F65, F706
Low Temperature Carbon Steel Forged Flanges:
- ASTM A350, LF2, LF3
Alloy Steel Forged Flanges:
- ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Copper Alloy Steel Forged 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
Nickel Alloy Forged Flanges:
- ASTM SB564, SB160, SB472, SB162
- Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201)
- Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
- 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)
- Hastelloy C 276 (UNS No. N10276)
- Alloy 20 (UNS No. N08020)
ANSI/ASME B16.5 Forged Flange Dimensions:
- Sizes: Range from 1/2" to 24" (15 NB to 600 NB)
- Pressure Classes: 150#, 300#, 400#, 600#, 900#, 1500#, and 2500#
- Face Types: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
- Standards: ANSI B16.5, EN 1092-1, DIN86029 PN10, MSS SP-97
Forged Flange Manufacturing Process: Forged flanges are created by shaping steel under high pressure, ensuring superior mechanical properties and strength compared to cast flanges. The process involves:
- Cutting raw materials to size
- Heating the material
- Shaping through forging presses
- Machining to final dimensions
- Surface treatment and inspection
Value-Added Services:
- Custom dimensions and specifications
- CNC machining
- Special coatings and treatments for enhanced performance
Contact Information: For more details, specifications, and pricing, please contact Arcellor Controls. We offer competitive prices and immediate delivery programs for standard sizes. Custom orders are manufactured to meet specific client requirements.
| Dimensions | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Size | 1/2″ (15 NB) to 48″ (1200NB) |
| Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc. |
| DIN | DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673 |
| BS | BS4504 , BS4504, BS1560, BS10 |
| Coating/Surface Treatment | Antirust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Value Added Services | CNC Machining, Customised Flanges |
Class 150 Forged Flange Dimesions
| Nom. Pipe Size | O | T | TJ | R | X | #/Dia of Holesa | Bolt Circle Dia | B | B2b | B3 | H | L | L2 | L3c | r | D | Thr |
| ½ | 3.50 | 0.38 | 0.44 | 1.38 | 1.19 | 4-0.62 | 2.38 | 0.88 | 0.62 | 0.90 | 0.84 | 0.56 | 1.81 | 0.62 | 0.12 | 0.38 | 0.62 |
| ¾ | 3.88 | 0.44 | 0.50 | 1.69 | 1.50 | 4-0.62 | 2.75 | 1.09 | 0.82 | 1.11 | 1.05 | 0.56 | 2.00 | 0.62 | 0.12 | 0.44 | 0.62 |
| 1 | 4.25 | 0.50 | 0.56 | 2.00 | 1.94 | 4-0.62 | 3.12 | 1.36 | 1.05 | 1.38 | 1.32 | 0.62 | 2.12 | 0.69 | 0.12 | 0.50 | 0.69 |
| 1¼ | 4.62 | 0.56 | 0.62 | 2.50 | 2.31 | 4-0.62 | 3.50 | 1.70 | 1.38 | 1.72 | 1.66 | 0.75 | 2.19 | 0.81 | 0.19 | 0.56 | 0.81 |
| 1½ | 5.00 | 0.62 | 0.69 | 2.88 | 2.56 | 4-0.62 | 3.88 | 1.95 | 1.61 | 1.97 | 1.90 | 0.81 | 2.38 | 0.88 | 0.25 | 0.62 | 0.88 |
| 2 | 6.00 | 0.69 | 0.75 | 3.62 | 3.06 | 4-0.75 | 4.75 | 2.44 | 2.07 | 2.46 | 2.38 | 0.94 | 2.44 | 1.00 | 0.31 | 0.69 | 1.00 |
| 2½ | 7.00 | 0.81 | 0.88 | 4.12 | 3.56 | 4-0.75 | 5.50 | 2.94 | 2.47 | 2.97 | 2.88 | 1.06 | 2.69 | 1.12 | 0.31 | 0.75 | 1.12 |
| 3 | 7.50 | 0.88 | 0.94 | 5.00 | 4.25 | 4-0.75 | 6.00 | 3.57 | 3.07 | 3.60 | 3.50 | 1.12 | 2.69 | 1.19 | 0.38 | 0.81 | 1.19 |
| 3½ | 8.50 | 0.88 | 0.94 | 5.50 | 4.81 | 8-0.75 | 7.00 | 4.07 | 3.55 | 4.10 | 4.00 | 1.19 | 2.75 | 1.25 | 0.38 | 0.88 | 1.25 |
| 4 | 9.00 | 0.88 | 0.94 | 6.19 | 5.31 | 8-0.75 | 7.50 | 4.57 | 4.03 | 4.60 | 4.50 | 1.25 | 2.94 | 1.31 | 0.44 | 0.94 | 1.31 |
| 5 | 10.00 | 0.88 | 0.94 | 7.31 | 6.44 | 8-0.88 | 8.50 | 5.66 | 5.05 | 5.69 | 5.56 | 1.38 | 3.44 | 1.44 | 0.44 | 0.94 | 1.44 |
| 6 | 11.00 | 0.94 | 1.00 | 8.50 | 7.56 | 8-0.88 | 9.50 | 6.72 | 6.07 | 6.75 | 6.63 | 1.50 | 3.44 | 1.56 | 0.50 | 1.06 | 1.56 |
| 8 | 13.50 | 1.06 | 1.12 | 10.62 | 9.69 | 8-0.88 | 11.75 | 8.72 | 7.98 | 8.75 | 8.63 | 1.69 | 3.94 | 1.75 | 0.50 | 1.25 | 1.75 |
| 10 | 16.00 | 1.12 | 1.19 | 12.75 | 12.00 | 12-1.00 | 14.25 | 10.88 | 10.02 | 10.92 | 10.75 | 1.88 | 3.94 | 1.94 | 0.50 | 1.31 | 1.94 |
| 12 | 19.00 | 1.19 | 1.25 | 15.00 | 14.38 | 12-1.00 | 17.00 | 12.88 | 12.00 | 12.92 | 12.75 | 2.12 | 4.44 | 2.19 | 0.50 | 1.56 | 2.19 |
| 14 | 21.00 | 1.31 | 1.38 | 16.25 | 15.75 | 12-1.12 | 18.75 | 14.14 | 13.25 | 14.18 | 14.00 | 2.19 | 4.94 | 3.12 | 0.50 | 1.63 | 2.25 |
| 16 | 23.50 | 1.38 | 1.44 | 18.50 | 18.00 | 16-1.12 | 21.25 | 16.16 | 15.25 | 16.19 | 16.00 | 2.44 | 4.94 | 3.44 | 0.50 | 1.75 | 2.50 |
| 18 | 25.00 | 1.50 | 1.56 | 21.00 | 19.88 | 16-1.25 | 22.75 | 18.18 | 17.25 | 18.20 | 18.00 | 2.62 | 5.44 | 3.81 | 0.50 | 1.94 | 2.69 |
| 20 | 27.50 | 1.62 | 1.69 | 23.00 | 22.00 | 20-1.25 | 25.00 | 20.20 | 19.25 | 20.25 | 20.00 | 2.81 | 5.62 | 4.06 | 0.50 | 2.13 | 2.88 |
| 22 | 29.50 | 1.75 | 1.81 | 25.25 | 24.25 | 20-1.38 | 27.25 | 22.22 | 21.25 | 22.25 | 22.00 | 3.07 | 5.82 | 4.25 | 0.50 | 2.38 | 3.13 |
| 24 | 32.00 | 1.81 | 1.88 | 27.25 | 26.12 | 20-1.38 | 29.50 | 24.25 | 23.25 | 24.25 | 24.00 | 3.19 | 5.94 | 4.38 | 0.50 | 2.50 | 3.25 |
Class 300 Forged Flange Dimesions
| Nom. Pipe Size | O | T | TJ | R | X | #/Dia of Holesa | Bolt Circle Dia | B | B2b | B3 | H | L | L2 | L3c | r | C | D | Thr |
| ½ | 3.75 | 0.50 | 0.56 | 1.38 | 1.50 | 4-0.63 | 2.62 | 0.88 | 0.62 | 0.90 | 0.84 | 0.81 | 2.00 | 0.88 | 0.12 | 0.93 | 0.38 | 0.62 |
| ¾ | 4.62 | 0.56 | 0.62 | 1.69 | 1.88 | 4-0.75 | 3.25 | 1.09 | 0.82 | 1.11 | 1.05 | 0.94 | 2.19 | 1.00 | 0.12 | 1.14 | 0.44 | 0.62 |
| 1 | 4.88 | 0.62 | 0.69 | 2.00 | 2.12 | 4-0.75 | 3.50 | 1.36 | 1.05 | 1.38 | 1.32 | 1.00 | 2.38 | 1.06 | 0.12 | 1.41 | 0.50 | 0.69 |
| 1¼ | 5.25 | 0.69 | 0.75 | 2.50 | 2.50 | 4-0.75 | 3.88 | 1.70 | 1.38 | 1.72 | 1.66 | 1.00 | 2.50 | 1.06 | 0.19 | 1.75 | 0.56 | 0.81 |
| 1½ | 6.12 | 0.75 | 0.81 | 2.88 | 2.75 | 4-0.88 | 4.50 | 1.95 | 1.61 | 1.97 | 1.90 | 1.13 | 2.63 | 1.19 | 0.25 | 1.98 | 0.62 | 0.88 |
| 2 | 6.50 | 0.81 | 0.88 | 3.62 | 3.31 | 8-0.75 | 5.00 | 2.44 | 2.07 | 2.46 | 2.38 | 1.25 | 2.69 | 1.31 | 0.31 | 2.50 | 0.69 | 1.12 |
| 2½ | 7.50 | 0.94 | 1.00 | 4.12 | 3.94 | 8-0.88 | 5.88 | 2.94 | 2.47 | 2.97 | 2.88 | 1.44 | 2.94 | 1.50 | 0.31 | 3.00 | 0.75 | 1.25 |
| 3 | 8.25 | 1.06 | 1.12 | 5.00 | 4.62 | 8-0.88 | 6.62 | 3.57 | 3.07 | 3.60 | 3.50 | 1.63 | 3.06 | 1.69 | 0.38 | 3.63 | 0.81 | 1.25 |
| 3½ | 9.00 | 1.12 | 1.19 | 5.50 | 5.25 | 8-0.88 | 7.25 | 4.07 | 3.55 | 4.10 | 4.00 | 1.69 | 3.13 | 1.75 | 0.38 | 4.13 | …. | 1.44 |
| 4 | 10.00 | 1.19 | 1.25 | 6.19 | 5.75 | 8-0.88 | 7.88 | 4.57 | 4.03 | 4.60 | 4.50 | 1.82 | 3.32 | 1.88 | 0.44 | 4.63 | …. | 1.44 |
| 5 | 11.00 | 1.31 | 1.38 | 7.31 | 7.00 | 8-0.88 | 9.25 | 5.66 | 5.05 | 5.69 | 5.56 | 1.94 | 3.82 | 2.00 | 0.44 | 5.69 | …. | 1.69 |
| 6 | 12.50 | 1.38 | 1.44 | 8.50 | 8.12 | 12-0.88 | 10.62 | 6.72 | 6.07 | 6.75 | 6.63 | 2.00 | 3.82 | 2.06 | 0.50 | 6.75 | …. | 1.81 |
| 8 | 15.00 | 1.56 | 1.62 | 10.62 | 10.25 | 12-1.00 | 13.00 | 8.72 | 7.98 | 8.75 | 8.63 | 2.38 | 4.32 | 2.44 | 0.50 | 8.75 | …. | 2.00 |
| 10 | 17.50 | 1.81 | 1.88 | 12.75 | 12.62 | 16-1.12 | 15.25 | 10.88 | 10.02 | 10.92 | 10.75 | 2.56 | 4.56 | 3.75 | 0.50 | 10.88 | …. | 2.19 |
| 12 | 20.50 | 1.94 | 2.00 | 15.00 | 14.75 | 16-1.25 | 17.75 | 12.88 | 12.00 | 12.92 | 12.75 | 2.82 | 5.06 | 4.00 | 0.50 | 12.94 | …. | 2.38 |
| 14 | 23.00 | 2.06 | 2.12 | 16.25 | 16.75 | 20-1.25 | 20.25 | 14.14 | 13.25 | 14.18 | 14.00 | 2.94 | 5.56 | 4.38 | 0.50 | 14.19 | …. | 2.50 |
| 16 | 25.50 | 2.19 | 2.25 | 18.50 | 19.00 | 20-1.38 | 22.50 | 16.16 | 15.25 | 16.19 | 16.00 | 3.19 | 5.69 | 4.75 | 0.50 | 16.19 | …. | 2.69 |
| 18 | 28.00 | 2.31 | 2.38 | 21.00 | 21.00 | 24-1.38 | 24.75 | 18.18 | 17.25 | 18.20 | 18.00 | 3.44 | 6.19 | 5.12 | 0.50 | 18.19 | …. | 2.75 |
| 20 | 30.50 | 2.44 | 2.50 | 23.00 | 23.12 | 24-1.38 | 27.00 | 20.20 | 19.25 | 20.25 | 20.00 | 3.69 | 6.32 | 5.50 | 0.50 | 20.19 | …. | 2.88 |
| 22 | 33.00 | 2.57 | 2.63 | 25.25 | 25.25 | 24-1.63 | 29.25 | 22.22 | 21.25 | 22.25 | 22.00 | 3.93 | 6.43 | 5.75 | 0.50 | 22.19 | …. | 3.13 |
| 24 | 36.00 | 2.69 | 2.75 | 27.25 | 27.62 | 24-1.63 | 32.00 | 24.25 | 23.25 | 24.25 | 24.00 | 4.13 | 6.56 | 6.00 | 0.50 | 24.19 | …. | 3.25 |
Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.
Class 400 Forged Flange Dimesions
| Nom. Pipe Size | O | T | R | X | #/Dia of Holesa | Bolt Circle Dia | B | B2b | B3 | H | L | L2 | L3c | r | C | D | Thr |
| ½ | 3.75 | 0.56 | 1.38 | 1.5 | 4-0.63 | 2.62 | 0.88 |
|
0.9 | 0.84 | 0.88 | 2.06 | 0.88 | 0.12 | 0.93 | 0.38 | 0.62 |
| ¾ | 4.62 | 0.62 | 1.69 | 1.88 | 4-0.75 | 3.25 | 1.09 | 1.11 | 1.05 | 1 | 2.25 | 1 | 0.12 | 1.14 | 0.44 | 0.62 | |
| 1 | 4.88 | 0.69 | 2 | 2.12 | 4-.075 | 3.5 | 1.36 | 1.38 | 1.32 | 1.06 | 2.44 | 1.06 | 0.12 | 1.41 | 0.5 | 0.69 | |
| 1¼ | 5.25 | 0.81 | 2.5 | 2.5 | 4-0.75 | 3.88 | 1.7 | 1.72 | 1.66 | 1.12 | 2.62 | 1.12 | 0.19 | 1.75 | 0.56 | 0.81 | |
| 1½ | 6.12 | 0.88 | 2.88 | 2.75 | 4-0.88 | 4.5 | 1.95 | 1.97 | 1.9 | 1.25 | 2.75 | 1.25 | 0.25 | 1.99 | 0.62 | 0.88 | |
| 2 | 6.5 | 1 | 3.62 | 3.31 | 8-0.75 | 5 | 2.44 | 2.46 | 2.38 | 1.44 | 2.88 | 1.44 | 0.31 | 2.5 | 0.69 | 1.12 | |
| 2½ | 7.5 | 1.12 | 4.12 | 3.94 | 8-0.88 | 5.88 | 2.94 | 2.97 | 2.88 | 1.62 | 3.12 | 1.62 | 0.31 | 3 | 0.75 | 1.25 | |
| 3 | 8.25 | 1.25 | 5 | 4.62 | 8-0.88 | 6.62 | 3.57 | 3.6 | 3.5 | 1.81 | 3.25 | 1.81 | 0.38 | 3.63 | 0.81 | 1.38 | |
| 3½ | 9 | 1.38 | 5.5 | 5.25 | 8-1.00 | 7.25 | 4.07 | 4.1 | 4 | 1.94 | 3.38 | 1.94 | 0.38 | 4.13 | …. | 1.56 | |
| 4 | 10 | 1.38 | 6.19 | 5.75 | 8-1.00 | 7.88 | 4.57 | 4.6 | 4.5 | 2 | 3.5 | 2 | 0.44 | 4.63 | …. | 1.44 | |
| 5 | 11 | 1.5 | 7.31 | 7 | 8-1.00 | 9.25 | 5.66 | 5.69 | 5.56 | 2.12 | 4 | 2.12 | 0.44 | 5.69 | …. | 1.69 | |
| 6 | 12.5 | 1.62 | 8.5 | 8.12 | 12-1.00 | 10.62 | 6.72 | 6.75 | 6.63 | 2.25 | 4.06 | 2.25 | 0.5 | 6.75 | …. | 1.81 | |
| 8 | 15 | 1.88 | 10.62 | 10.25 | 12-1.12 | 13 | 8.72 | 8.75 | 8.63 | 2.69 | 4.62 | 2.69 | 0.5 | 8.75 | …. | 2 | |
| 10 | 17.5 | 2.12 | 12.75 | 12.62 | 16-1.25 | 15.25 | 10.88 | 10.92 | 10.75 | 2.88 | 4.88 | 4 | 0.5 | 10.88 | …. | 2.19 | |
| 12 | 20.5 | 2.25 | 15 | 14.75 | 16-1.38 | 17.75 | 12.88 | 12.92 | 12.75 | 3.12 | 5.38 | 4.25 | 0.5 | 12.94 | …. | 2.38 | |
| 14 | 23 | 2.38 | 16.25 | 16.75 | 20-1.38 | 20.25 | 14.14 | 14.18 | 14 | 3.31 | 5.88 | 4.62 | 0.5 | 14.19 | …. | 2.5 | |
| 16 | 25.5 | 2.5 | 18.5 | 19 | 20-1.50 | 22.5 | 16.16 | 16.19 | 16 | 3.69 | 6 | 5 | 0.5 | 16.19 | …. | 2.69 | |
| 18 | 28 | 2.62 | 21 | 21 | 24-1.50 | 24.75 | 18.18 | 18.2 | 18 | 3.88 | 6.5 | 5.38 | 0.5 | 18.19 | …. | 2.75 | |
| 20 | 30.5 | 2.75 | 23 | 23.12 | 24-1.62 | 27 | 20.2 | 20.25 | 20 | 4 | 6.62 | 5.75 | 0.5 | 20.19 | …. | 2.88 | |
| 22 | 33 | 2.88 | 25.25 | 25.25 | 24-1.75 | 29.25 | 22.22 | 22.25 | 22 | 4.25 | 6.75 | 6 | 0.5 | …. | …. | — | |
| 24 | 36 | 3 | 27.25 | 27.62 | 24-1.88 | 32 | 24.25 | 24.25 | 24 | 4.5 | 6.88 | 6.25 | 0.5 | 24.19 | …. | 3.25 |
Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.
Class 600 Forged Steel Flange Dimesions
| Nom. Pipe Size | O | T | R | X | #/Dia of Holesa | Bolt Circle Dia | B | B2b | B3 | H | L | L2 | L3c | r | C | D | Thr |
| ½ | 3.75 | 0.56 | 1.38 | 1.5 | 4-0.63 | 2.62 | 0.88 |
|
0.9 | 0.84 | 0.88 | 2.06 | 0.88 | 0.12 | 0.93 | 0.38 | 0.62 |
| ¾ | 4.62 | 0.62 | 1.69 | 1.88 | 4-0.75 | 3.25 | 1.09 | 1.11 | 1.05 | 1 | 2.25 | 1 | 0.12 | 1.14 | 0.44 | 0.62 | |
| 1 | 4.88 | 0.69 | 2 | 2.12 | 4-.075 | 3.5 | 1.36 | 1.38 | 1.32 | 1.06 | 2.44 | 1.06 | 0.12 | 1.41 | 0.5 | 0.69 | |
| 1¼ | 5.25 | 0.81 | 2.5 | 2.5 | 4-0.75 | 3.88 | 1.7 | 1.72 | 1.66 | 1.12 | 2.62 | 1.12 | 0.19 | 1.75 | 0.56 | 0.81 | |
| 1½ | 6.12 | 0.88 | 2.88 | 2.75 | 4-0.88 | 4.5 | 1.95 | 1.97 | 1.9 | 1.25 | 2.75 | 1.25 | 0.25 | 1.99 | 0.62 | 0.88 | |
| 2 | 6.5 | 1 | 3.62 | 3.31 | 8-0.75 | 5 | 2.44 | 2.46 | 2.38 | 1.44 | 2.88 | 1.44 | 0.31 | 2.5 | 0.69 | 1.12 | |
| 2½ | 7.5 | 1.12 | 4.12 | 3.94 | 8-0.88 | 5.88 | 2.94 | 2.97 | 2.88 | 1.62 | 3.12 | 1.62 | 0.31 | 3 | 0.75 | 1.25 | |
| 3 | 8.25 | 1.25 | 5 | 4.62 | 8-0.88 | 6.62 | 3.57 | 3.6 | 3.5 | 1.81 | 3.25 | 1.81 | 0.38 | 3.63 | 0.81 | 1.38 | |
| 3½ | 9 | 1.38 | 5.5 | 5.25 | 8-1.00 | 7.25 | 4.07 | 4.1 | 4 | 1.94 | 3.38 | 1.94 | 0.38 | 4.13 | …. | 1.56 | |
| 4 | 10 | 1.38 | 6.19 | 5.75 | 8-1.00 | 7.88 | 4.57 | 4.6 | 4.5 | 2 | 3.5 | 2 | 0.44 | 4.63 | …. | 1.44 | |
| 5 | 11 | 1.5 | 7.31 | 7 | 8-1.00 | 9.25 | 5.66 | 5.69 | 5.56 | 2.12 | 4 | 2.12 | 0.44 | 5.69 | …. | 1.69 | |
| 6 | 12.5 | 1.62 | 8.5 | 8.12 | 12-1.00 | 10.62 | 6.72 | 6.75 | 6.63 | 2.25 | 4.06 | 2.25 | 0.5 | 6.75 | …. | 1.81 | |
| 8 | 15 | 1.88 | 10.62 | 10.25 | 12-1.12 | 13 | 8.72 | 8.75 | 8.63 | 2.69 | 4.62 | 2.69 | 0.5 | 8.75 | …. | 2 | |
| 10 | 17.5 | 2.12 | 12.75 | 12.62 | 16-1.25 | 15.25 | 10.88 | 10.92 | 10.75 | 2.88 | 4.88 | 4 | 0.5 | 10.88 | …. | 2.19 | |
| 12 | 20.5 | 2.25 | 15 | 14.75 | 16-1.38 | 17.75 | 12.88 | 12.92 | 12.75 | 3.12 | 5.38 | 4.25 | 0.5 | 12.94 | …. | 2.38 | |
| 14 | 23 | 2.38 | 16.25 | 16.75 | 20-1.38 | 20.25 | 14.14 | 14.18 | 14 | 3.31 | 5.88 | 4.62 | 0.5 | 14.19 | …. | 2.5 | |
| 16 | 25.5 | 2.5 | 18.5 | 19 | 20-1.50 | 22.5 | 16.16 | 16.19 | 16 | 3.69 | 6 | 5 | 0.5 | 16.19 | …. | 2.69 | |
| 18 | 28 | 2.62 | 21 | 21 | 24-1.50 | 24.75 | 18.18 | 18.2 | 18 | 3.88 | 6.5 | 5.38 | 0.5 | 18.19 | …. | 2.75 | |
| 20 | 30.5 | 2.75 | 23 | 23.12 | 24-1.62 | 27 | 20.2 | 20.25 | 20 | 4 | 6.62 | 5.75 | 0.5 | 20.19 | …. | 2.88 | |
| 22 | 33 | 2.88 | 25.25 | 25.25 | 24-1.75 | 29.25 | 22.22 | 22.25 | 22 | 4.25 | 6.75 | 6 | 0.5 | …. | …. | — | |
| 24 | 36 | 3 | 27.25 | 27.62 | 24-1.88 | 32 | 24.25 | 24.25 | 24 | 4.5 | 6.88 | 6.25 | 0.5 | 24.19 | …. | 3.25 |
Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.
Class 900 Forged Flange Dimesions
| Nom. Pipe Size | O | T | R | X | #/Dia of Holesa | Bolt Circle Dia | B | B2b | B3 | H | L | L2 | L3c | r | C | Thr |
| Sizes 1/2″ through 2 1/2″ are identical to class 1500. | ||||||||||||||||
| 3 | 9.5 | 1.5 | 5 | 5 | 8-1.00 | 7.5 | 3.57 | |
3.6 | 3.5 | 2.12 | 4 | 2.12 | 0.38 | 3.63 | 1.62 |
| 4 | 11.5 | 1.75 | 6.19 | 6.25 | 8-1.25 | 9.25 | 4.57 | 4.6 | 4.5 | 2.75 | 4.5 | 2.75 | 0.44 | 4.63 | 1.88 | |
| 5 | 13.75 | 2 | 7.31 | 7.5 | 8-1.38 | 11 | 5.66 | 5.69 | 5.56 | 3.12 | 5 | 3.12 | 0.44 | 5.69 | 2.12 | |
| 6 | 15 | 2.19 | 8.5 | 9.25 | 12-1.25 | 12.5 | 6.72 | 6.75 | 6.63 | 3.38 | 5.5 | 3.38 | 0.5 | 6.75 | 2.25 | |
| 8 | 18.5 | 2.5 | 10.63 | 11.75 | 12-1.50 | 15.5 | 8.72 | 8.75 | 8.63 | 4 | 6.38 | 4.5 | 0.5 | 8.75 | 2.5 | |
| 10 | 21.5 | 2.75 | 12.75 | 14.5 | 16-1.50 | 18.5 | 10.88 | 10.92 | 10.75 | 4.25 | 7.25 | 5 | 0.5 | 10.88 | 2.81 | |
| 12 | 24 | 3.12 | 15 | 16.5 | 20-1.50 | 21 | 12.88 | 12.92 | 12.75 | 4.63 | 7.88 | 5.62 | 0.5 | 12.94 | 3 | |
| 14 | 25.25 | 3.38 | 16.25 | 17.75 | 20-1.63 | 22 | 14.14 | 14.18 | 14 | 5.12 | 8.38 | 6.12 | 0.5 | 14.19 | 3.25 | |
| 16 | 27.75 | 3.5 | 18.5 | 20 | 20-1.75 | 24.25 | 16.16 | 16.19 | 16 | 5.25 | 8.5 | 6.5 | 0.5 | 16.19 | 3.38 | |
| 18 | 31 | 4 | 21 | 22.25 | 20-2.00 | 27 | 18.18 | 18.2 | 18 | 6 | 9 | 7.5 | 0.5 | 18.19 | 3.5 | |
| 20 | 33.75 | 4.25 | 23 | 24.5 | 20-2.13 | 29.5 | 20.2 | 20.25 | 20 | 6.25 | 9.75 | 8.25 | 0.5 | 20.19 | 3.62 | |
| 24 | 41 | 5.5 | 27.25 | 29.5 | 20-2.63 | 35.5 | 24.25 | 24.25 | 24 | 8 | 11.5 | 10.5 | 0.5 | 24.19 | 4 | |
Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.
Class 1500 Forged Flange Dimesions
| Nom. Pipe Size | O | T | R | X | #/Dia of Holesa | Bolt Circle Dia | B | B2b | B3 | H | L | L2 | L3c | r | C | D | Thr |
| ½ | 4.75 | 0.88 | 1.38 | 1.5 | 4-0.88 | 3.25 | 0.88 |
|
0.9 | 0.84 | 1.25 | 2.38 | 1.25 | 0.12 | 0.93 | 0.38 | 0.88 |
| ¾ | 5.12 | 1 | 1.69 | 1.75 | 4-0.88 | 3.5 | 1.09 | 1.11 | 1.05 | 1.38 | 2.75 | 1.38 | 0.12 | 1.14 | 0.44 | 1 | |
| 1 | 5.88 | 1.12 | 2 | 2.06 | 4-1.00 | 4 | 1.36 | 1.38 | 1.32 | 1.62 | 2.88 | 1.62 | 0.12 | 1.41 | 0.5 | 1.12 | |
| 1¼ | 6.25 | 1.12 | 2.5 | 2.5 | 4-1.00 | 4.38 | 1.7 | 1.72 | 1.66 | 1.62 | 2.88 | 1.62 | 0.19 | 1.75 | 0.56 | 1.19 | |
| 1½ | 7 | 1.25 | 2.88 | 2.75 | 4-1.12 | 4.88 | 1.95 | 1.97 | 1.9 | 1.75 | 3.25 | 1.75 | 0.25 | 1.99 | 0.62 | 1.25 | |
| 2 | 8.5 | 1.5 | 3.63 | 4.12 | 8-1.00 | 6.5 | 2.44 | 2.46 | 2.38 | 2.25 | 4 | 2.25 | 0.31 | 2.5 | 0.69 | 1.5 | |
| 2½ | 9.62 | 1.62 | 4.13 | 4.88 | 8-1.12 | 7.5 | 2.94 | 2.97 | 2.88 | 2.5 | 4.12 | 2.5 | 0.31 | 3 | 0.75 | 1.88 | |
| 3 | 10.5 | 1.88 | 5 | 5.25 | 8-1.25 | 8 | …. | 3.6 | 3.5 | …. | 4.62 | 2.88 | 0.38 | …. | …. | …. | |
| 4 | 12.25 | 2.12 | 6.19 | 6.38 | 8-1.38 | 9.5 | …. | 4.6 | 4.5 | …. | 4.88 | 3.56 | 0.44 | …. | …. | …. | |
| 5 | 14.75 | 2.88 | 7.31 | 7.75 | 8-1.63 | 11.5 | …. | 5.69 | 5.56 | …. | 6.12 | 4.12 | 0.44 | …. | …. | …. | |
| 6 | 15.5 | 3.25 | 8.5 | 9 | 12-1.50 | 12.5 | …. | 6.75 | 6.63 | …. | 6.75 | 4.69 | 0.5 | …. | …. | …. | |
| 8 | 19 | 3.62 | 10.63 | 11.5 | 12-1.75 | 15.5 | …. | 8.75 | 8.63 | …. | 8.38 | 5.62 | 0.5 | …. | …. | …. | |
| 10 | 23 | 4.25 | 12.75 | 14.5 | 12-2.00 | 19 | …. | 10.92 | 10.75 | …. | 10 | 7 | 0.5 | …. | …. | …. | |
| 12 | 26.5 | 4.88 | 15 | 17.75 | 16-2.12 | 22.5 | …. | 12.92 | 12.75 | …. | 11.12 | 8.62 | 0.5 | …. | …. | …. | |
| 14 | 29.5 | 5.25 | 16.25 | 19.5 | 16-2.38 | 25 | …. | 14.18 | 14 | …. | 11.75 | 9.5 | 0.5 | …. | …. | …. | |
| 16 | 32.5 | 5.75 | 18.5 | 21.75 | 16-2.63 | 27.75 | …. | 16.19 | 16 | …. | 12.25 | 10.25 | 0.5 | …. | …. | …. | |
| 18 | 36 | 6.38 | 21 | 23.5 | 16-2.88 | 30.5 | …. | 18.2 | 18 | …. | 12.88 | 10.88 | 0.5 | …. | …. | …. | |
| 20 | 38.75 | 7 | 23 | 25.25 | 16-3.12 | 32.75 | …. | 20.25 | 20 | …. | 14 | 11.5 | 0.5 | …. | …. | …. | |
| 24 | 46 | 8 | 27.25 | 30 | 16-3.63 | 39 | …. | 24.25 | 24 | …. | 16 | 13 | 0.5 | …. | …. | …. |
Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.
Class 2500 Forged Flange Dimesions
| Nom. Pipe Size | O | T | R | X | #/Dia of Holesa | Bolt Circle Dia | B2b | B3 | H | L | L2 | L3 | r | C | Thr |
| ½ | 5.25 | 1.19 | 1.38 | 1.69 | 4-0.88 | 3.5 |  |
0.9 | 0.84 | 1.56 | 2.88 | 1.56 | 0.12 | 0.93 | 1.12 |
| ¾ | 5.5 | 1.25 | 1.69 | 2 | 4-0.88 | 3.75 | 1.11 | 1.05 | 1.69 | 3.12 | 1.69 | 0.12 | 1.14 | 1.25 | |
| 1 | 6.25 | 1.38 | 2 | 2.25 | 4-1.00 | 4.25 | 1.38 | 1.32 | 1.88 | 3.5 | 1.88 | 0.12 | 1.41 | 1.38 | |
| 1¼ | 7.25 | 1.5 | 2.5 | 2.88 | 4-1.12 | 5.13 | 1.72 | 1.66 | 2.06 | 3.75 | 2.06 | 0.19 | 1.75 | 1.5 | |
| 1½ | 8 | 1.75 | 2.88 | 3.12 | 4-1.25 | 5.75 | 1.97 | 1.9 | 2.38 | 4.38 | 2.38 | 0.25 | 1.99 | 1.75 | |
| 2 | 9.25 | 2 | 3.63 | 3.75 | 8-1.12 | 6.75 | 2.46 | 2.38 | 2.75 | 5 | 2.75 | 0.31 | 2.5 | 2 | |
| 2½ | 10.5 | 2.25 | 4.13 | 4.5 | 8-1.25 | 7.75 | 2.97 | 2.88 | 3.12 | 5.62 | 3.12 | 0.31 | 3 | 2.25 | |
| 3 | 12 | 2.62 | 5 | 5.25 | 8-1.38 | 9 | 3.6 | 3.5 | …. | 6.62 | 3.62 | 0.38 | …. | …. | |
| 4 | 14 | 3 | 6.19 | 6.5 | 8-1.63 | 10.75 | 4.6 | 4.5 | …. | 7.5 | 4.25 | 0.44 | …. | …. | |
| 5 | 16.5 | 3.62 | 7.31 | 8 | 8-1.88 | 12.75 | 5.69 | 5.56 | …. | 9 | 5.12 | 0.44 | …. | …. | |
| 6 | 19 | 4.25 | 8.5 | 9.25 | 8-2.12 | 14.5 | 6.75 | 6.63 | …. | 10.75 | 6 | 0.5 | …. | …. | |
| 8 | 21.75 | 5 | 10.63 | 12 | 12-2.12 | 17.25 | 8.75 | 8.63 | …. | 12.5 | 7 | 0.5 | …. | …. | |
| 10 | 26.5 | 6.5 | 12.75 | 14.75 | 12-2.63 | 21.25 | 10.92 | 10.75 | …. | 16.5 | 9 | 0.5 | …. | …. | |
| 12 | 30 | 7.25 | 15 | 17.38 | 12-2.88 | 24.38 | 12.92 | 12.75 | …. | 18.25 | 10 | 0.5 | …. | …. |
Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.
Forged Flange Pressure Ratings
| Flanges pressure rating in psig for Forged Flange ASME |
|||||||
| Temperature (F°) | 150# | 300# | 400# | 600# | 900# | 1500# | 2500# |
| -20 to 100 | 285 | 740 | 985 | 1480 | 2220 | 3705 | 6170 |
| 200 | 260 | 680 | 905 | 1360 | 2035 | 3395 | 5655 |
| 300 | 230 | 655 | 870 | 1310 | 1965 | 3270 | 5450 |
| 400 | 200 | 635 | 845 | 1265 | 1900 | 3170 | 5280 |
| 500 | 170 | 605 | 805 | 1205 | 1810 | 3015 | 5025 |
| 600 | 140 | 570 | 755 | 1135 | 1705 | 2840 | 4730 |
| 650 | 125 | 550 | 730 | 1100 | 1650 | 2745 | 4575 |
| 700 | 110 | 530 | 710 | 1060 | 1590 | 2655 | 4425 |
| 750 | 95 | 505 | 675 | 1015 | 1520 | 2535 | 4230 |
| 800 | 80 | 410 | 550 | 825 | 1235 | 2055 | 3430 |
| 850 | 65 | 320 | 425 | 640 | 955 | 1595 | 2655 |
| 900 | 50 | 230 | 305 | 460 | 690 | 1150 | 1915 |
| 950 | 35 | 135 | 185 | 275 | 410 | 685 | 1145 |
| 1000 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
Types of Forged Flanges
| Forged Steel Flange | Forged Pipe Flanges |
| ANSI B16.5 Forged Flanges | Forged Flange Dimensions |
| ASME B16.5 Forged Flanges | ANSI B16.5 Class 150 Forged Flanges |
| Hot Forged Flanges | DIN Forged Flange |
| Forged Hub Type Flange | Forged Welding Flange |
| ANSI B16.5 class 150 Forged Flange | ANSI 150 Forged Flange |
| Carbon Steel Forged Flange | High Quality Forged Flanges |
| Weld Neck Forged Flange | Forged Blind Flange |
| Threaded Forged Flanges | Socket Weld Forged Flanges |
ASME B16.5 Forged Flange Price
Forged Flange Price: $15.45 / each
ANSI B16.5 Forged Pipe Flange Price: $20.14 / each
ASME B16.5 Forged Steel Flange Price: $18.35 / each
ASME/ANSI B16.5 Forged Pipe Flange Supplying to Following Regions & Countries:
| AFRICA Nigeria Algeria Angola Tanzania Libya Egypt Sudan Equatorial Guinea The Republic Of Congo Gabon NORTH AMERICA Usa Canada Mexico Costa Rica Trinidad And Tobago Jamaica Denmark |
MIDDLE EAST ASIA Saudi Arabia Iran Iraq Uae Qatar Bahrain Oman Kuwait Turkey Jordan SOUTH AMERICA Argentina Bolivia Brazil Chile Venezuela Colombia Ecuador Guyana Paraguay Uruguay |
EUROPE Norway Germany France Italy Uk Spain Netherland Belgium Greece Czech Republic Portugal Hungary SOUTH AFRICA |
ASIA India Singapore Malaysia Indonesia Thailand Vietnam South Korea Japan Sri Lanka Maldives Bangladesh Mayanmar Taiwan Cambodia |
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