Carbon Steel C22.8 Flanges Specification
| Specification | C22.8 Steel Flange |
|---|---|
| Coating | Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized |
| Dimensions And Standard | ASME B16.5 |
| Production Technique | Forged/ Heat treated and machined |
| Flange Test | Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector |
| Schedule | SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS |
| Flange Equipment | Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc |
| Supporting Material | Gasket/ Ring Joint/ Flange Bolts |
| Manufacturer of | Forged/ Threaded/ Screwed / Plate |
| Manufacturer Length | NPS 1⁄₂" To NPS 48” |
| Face Type | RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove. |
| Forging Methods | Casting/ Forging/ Rolling/ Cutting |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Application | Bitumen upgraders Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids. |
C22.8 Carbon Steel Flange Price
Welding Neck Flanges
| Nominal Diameter | Nominal pipe size in mm | Pitch Circle Diameter In mm | Thread holes | Grade | Pressure | Price In INR (India) Per Piece |
| DN 80 | 88,9 | 160 | 8 x 18 mm Ø | Carbon Steel | C22.8 | 290.00 |
| DN 100 | 108 | 180 | 8 x 18 mm Ø | - | - | 357.00 |
| DN 100 | 114,3 | 180 | 8 x 18 mm Ø | - | - | 429.00 |
| DN 125 | 133 | 210 | 8 x 18 mm Ø | - | - | 697.00 |
| DN 125 | 139,7 | 210 | 8 x 18 mm Ø | - | - | 925.00 |
| DN 150 | 159 | 240 | 8 x 22 mm Ø | - | - | 1285.00 |
| DN 150 | 168,3 | 240 | 8 x 22 mm Ø | Carbon Steel | C22.8 | 1505.00 |
Types Of DIN 17243 Grade C22.8 Normalized Flanges
C22.8 Flange
C22.8 Pipe Flange
C22.8 Forged Flange
Carbon Steel C22.8 Flanges
C22.8 Carbon Steel Flange
Din 17243 Grade C22.8 Normalized Flanges
C22.8 Blind Flanges
C22.8 Weld Neck Flanges
C22.8 Slip On Flanges
C22.8 Threaded Flange
C22.8 Socket Weld Flange
C22.8 Steel RTJ Flange
C22.8 Din 17243 Plate Flanges
Din 17243 C22.8 Carbon Steel Flange
Grade C22.8 Welding Weld Flange
P250gh C22.8 Flat Face Flange
A105 C22.8 Flanges
Din 2633 C22.8 Flange
C22.8 Equivalent
| Material | |||
|---|---|---|---|
| Material-Number | 1.0460 | Norm | C 22.8 – P 250 GH |
| Alloy | DIN | 17243 | - |
| EN | 10222-2/ 10273 | AMS | - |
| Vd-TÜV | ELI | - | - |
| AISI | UNS | - | - |
| BS | P 250 GH | ASTM | - |
| NACE | SAE | - | - |
C22.8 Chemical Composition
|
ELEMENT Of C22.8
|
COMPOSITION, %
|
|
Carbon
|
0.35 maximum
|
|
Manganese
|
0.60-1.05
|
|
Phosphorus
|
0.035 maximum
|
|
Nickel
|
0.40 maximum (1)
|
|
Chromium
|
0.30 maximum (1-2)
|
|
Molybdenum
|
0.12 maximum (1-2)
|
|
Vanadium
|
0.08 maximum
|
|
Sulfur
|
0.040 maximum
|
|
Silicon
|
0.10-0.35
|
|
Copper
|
0.40 maximum (1)
|
Know More About Our Clients Worldwide:
C22.8 Steel Flange
Saudi Arabia (KSA), Dubai, Hong Kong, China.
Carbon Steel C22.8 Slip On Flange
Germany, Oman, Malaysia, Poland, Qatar.
DIN 17243 Grade C22.8 Blind Flange
Iran, Brazil, United Arab Emirates (UAE).
C22.8 Mechanical Properties
|
C22.8 Mechanical Properties
|
Requirements
|
|---|---|
|
Tensile strength,minimum,psi [MPa]
|
70000 [485]
|
|
Elongation, minimum, %
|
30
|
|
Reductionofarea,minimum,%
|
30
|
|
Hardness,HB,maximum
|
187
|
|
Yield strength,minimum,psi [MPa]
|
36000 [250]
|
C22.8 Vs A105
C22.8 Steel Flange Density
| Density (lb / cu. in.) | 0.284 |
|---|
C22.8 Flange Melting Point
| Melting Point (Deg F) | 2740 |
|---|
C22.8 Material Yield Strength
| Yield strength, minimum,psi [MPa] | 36000 [250] |
|---|
Werkstoff C22.8 Tensile Strength
| Tensile strength,minimum,psi [MPa] | 70000 [485] |
|---|
C22.8 Steel Flange Dimensions
C22.8 Flange Weight Chart
| Normal Size Of Steel Pipe | Dimensions In Millimeter | ASME B16.5 Flanges Weight In Kilogram | ||||
|---|---|---|---|---|---|---|
| Normal Size Of Steel Pipe In Inches | Size In Millimeter | ASME B16.5 Flanges Outer Daimeter (O.D.) In (MM) |
ANSI B16.5 Flanges Wall Thickness Of (D) In M) |
(C22.8 Slip On Flanges) (C22.8 Socket Weld Flanges) |
(C22.8 Weld Neck Flanges) | (C22.8 Blind Flanges) |
| 1/2 | 15 | 88.9 | 11.2 | 0.4 | 0.5 | 0.4 |
| 3/4 | 20 | 98.6 | 12.7 | 0.6 | 0.7 | 0.6 |
| 1 | 25 | 108 | 14.2 | 0.8 | 1 | 0.9 |
| 1 1/4 | 32 | 117.3 | 15.7 | 1 | 1.3 | 1.2 |
| 1 1/2 | 40 | 127 | 17.5 | 1.3 | 1.7 | 1.5 |
| 2 | 50 | 152.4 | 19.1 | 2.1 | 2.6 | 2.4 |
| 2 1/2 | 65 | 177.8 | 22.4 | 3.3 | 4.1 | 3.9 |
| 3 | 80 | 190.5 | 23.9 | 3.9 | 4.9 | 4.9 |
| 3 1/2 | 90 | 215.9 | 23.9 | 4.8 | 6.1 | 6.2 |
| 4 | 100 | 228.6 | 23.9 | 5.3 | 6.8 | 7.0 |
| 5 | 125 | 254 | 23.9 | 6.1 | 8.6 | 8.6 |
| 6 | 150 | 279.4 | 25.4 | 7.5 | 10.6 | 11.3 |
| 8 | 200 | 342.9 | 28.4 | 12.1 | 17.6 | 19.6 |
| 10 | 250 | 406.4 | 30.2 | 16.5 | 24 | 28.6 |
| 12 | 300 | 482.6 | 31.8 | 26.2 | 36.5 | 43.2 |
| 14 | 350 | 533.4 | 35.1 | 34.6 | 48.4 | 58.1 |
| 16 | 400 | 596.9 | 36.6 | 44.8 | 60.6 | 76.1 |
| 18 | 450 | 635 | 39.6 | 48.9 | 68.3 | 93.7 |
| 20 | 500 | 698.5 | 42.9 | 61.9 | 84.5 | 122.0 |
C22.8 Pipe Flange Size
P250gh C22.8 Flange Pressure Rating
Working pressure by Class And BAR
| TEMP(°C) | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
| -29 TO 38 | 19.6 | 51.1 | 68.1 | 102.1 | 153.2 | 255.3 | 425.5 |
| 50 | 19.2 | 50.1 | 66.8 | 100.2 | 150.4 | 250.6 | 417.7 |
| 100 | 17.7 | 46.6 | 62.1 | 93.2 | 139.8 | 233 | 388.3 |
| 150 | 15.8 | 45.1 | 60.1 | 90.2 | 135.2 | 225.4 | 375.6 |
| 200 | 13.8 | 43.8 | 58.4 | 87.6 | 131.4 | 219 | 365 |
| 250 | 12.1 | 41.9 | 55.9 | 83.9 | 125.8 | 209.7 | 349.5 |
| 300 | 10.2 | 39.8 | 53.1 | 79.6 | 119.5 | 199.1 | 331.8 |
| 325 | 9.3 | 38.7 | 51.6 | 77.4 | 116.1 | 193.6 | 322.6 |
| 350 | 8.4 | 37.6 | 50.1 | 75.1 | 112.7 | 187.8 | 313 |
| 375 | 7.4 | 36.4 | 48.5 | 72.7 | 109.1 | 181.8 | 303.1 |
| 400 | 6.5 | 34.7 | 46.3 | 69.4 | 104.2 | 173.6 | 289.3 |
| 425 | 5.5 | 28.8 | 38.4 | 57.5 | 86.3 | 143.8 | 239.7 |
| 450 | 4.6 | 23 | 30.7 | 46 | 69 | 115 | 191.7 |
| 475 | 3.7 | 17.4 | 23.2 | 34.9 | 52.3 | 87.2 | 145.3 |
| 500 | 2.8 | 11.8 | 15.7 | 23.5 | 35.3 | 58.8 | 97.9 |
| 538 | 1.4 | 5.9 | 7.9 | 11.8 | 17.7 | 29.5 | 49.2 |
C22.8 Carbon Steel Flange Torque Values
| Flange Size Inch | Flange Size MM | (Maximum) Radial Projection | |
|---|---|---|---|
| No Deeper Than the Bottom In Millimeter | Deeper Than the Bottom In Millimeter | ||
| 1/2 | 15 | 3.0 | 1.5 |
| 3/4 | 20 | 3.0 | 1.5 |
| 1 | 25 | 3.0 | 1.5 |
| 1 1/4 | 32 | 3.0 | 1.5 |
| 1 1/2 | 40 | 3.0 | 1.5 |
| 2 | 50 | 3.0 | 1.5 |
| 2 1/2 | 65 | 3.0 | 1.5 |
| 3 | 80 | 4.5 | 1.5 |
| 3 1/2 | 90 | 6.0 | 3.0 |
| 4 | 100 | 6.0 | 3.0 |
| 5 | 125 | 6.0 | 3.0 |
| 6 | 150 | 6.0 | 3.0 |
| 8 | 200 | 8.0 | 4.5 |
| 10 | 250 | 8.0 | 4.5 |
| 12 | 300 | 8.0 | 4.5 |
| 14 | 350 | 8.0 | 4.5 |
| 16 | 400 | 10.0 | 4.5 |
| 18 | 450 | 12.0 | 6.0 |
Thickness Of Werkstoff C22.8/P250gh Flange
| Normal Size Of Pipe | Outer Diameter (O.D.) | 10 Schedule | 20 Schedule | 30 Schedule | STD Wall | 40 Schedule | 60 Schedule | EXT Hvy | 80 Schedule | 100 Schedule | 120 Schedule | 140 Schedule | 160 Schedule | XX Hvy |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ½ | 0.84 | 0.083 | ... | ... | 0.109 | 0.109 | ... | 0.147 | 0.147 | ... | ... | ... | 0.188 | 0.294 |
| ¾ | 1.05 | 0.083 | ... | ... | 0.113 | 0.113 | ... | 0.154 | 0.154 | ... | ... | ... | 0.219 | 0.308 |
| 1 | 1.315 | 0.109 | ... | ... | 0.133 | 0.133 | ... | 0.179 | 0.179 | ... | ... | ... | 0.25 | 0.358 |
| 1 ¼ | 1.66 | 0.109 | ... | ... | 0.14 | 0.14 | ... | 0.191 | 0.191 | ... | ... | ... | 0.25 | 0.382 |
| 1 ½ | 1.9 | 0.109 | ... | ... | 0.145 | 0.145 | ... | 0.2 | 0.2 | ... | ... | ... | 0.281 | 0.4 |
| 2 | 2.375 | 0.109 | ... | ... | 0.154 | 0.154 | ... | 0.218 | 0.218 | ... | ... | ... | 0.344 | 0.436 |
| 2 ½ | 2.875 | 0.12 | ... | ... | 0.203 | 0.203 | ... | 0.276 | 0.276 | ... | ... | ... | 0.375 | 0.552 |
| 3 | 3.5 | 0.12 | - | - | 0.216 | 0.216 | - | 0.3 | 0.3 | - | - | - | 0.438 | 0.6 |
| 3 ½ | 4 | 0.12 | - | - | 0.226 | 0.226 | - | 0.318 | 0.318 | - | - | - | - | 0.636 |
| 4 | 4.5 | 0.12 | - | - | 0.237 | 0.237 | - | 0.337 | 0.337 | - | 0.438 | - | 0.531 | 0.674 |
| 5 | 5.563 | 0.134 | - | - | 0.258 | 0.258 | - | 0.375 | 0.375 | - | 0.5 | - | 0.625 | 0.75 |
| 6 | 6.625 | 0.134 | - | - | 0.28 | 0.28 | - | 0.432 | 0.432 | - | 0.562 | - | 0.719 | 0.864 |
| 8 | 8.625 | 0.148 | 0.25 | 0.277 | 0.322 | 0.322 | 0.406 | 0.5 | 0.5 | 0.594 | 0.719 | 0.812 | 0.906 | 0.875 |
| 10 | 10.75 | 0.165 | 0.25 | 0.307 | 0.365 | 0.365 | 0.5 | 0.5 | 0.594 | 0.719 | 0.844 | 1 | 1.125 | 1 |
| 12 | 12.75 | 0.18 | 0.25 | 0.33 | 0.375 | 0.406 | 0.562 | 0.5 | 0.688 | 0.844 | 1 | 1.125 | 1.312 | 1 |
| 14 | 14 | 0.25 | 0.312 | 0.375 | 0.375 | 0.438 | 0.594 | 0.5 | 0.75 | 0.938 | 1.094 | 1.25 | 1.406 | - |
| 16 | 16 | 0.25 | 0.312 | 0.375 | 0.375 | 0.5 | 0.656 | 0.5 | 0.844 | 1.031 | 1.219 | 1.438 | 1.594 | - |
| 18 | 18 | 0.25 | 0.312 | 0.438 | 0.375 | 0.562 | 0.75 | 0.5 | 0.938 | 1.156 | 1.375 | 1.562 | 1.781 | - |
| 20 | 20 | 0.25 | 0.375 | 0.5 | 0.375 | 0.594 | 0.812 | 0.5 | 1.031 | 1.281 | 1.5 | 1.75 | 1.969 | - |
| 22 | 22 | 0.25 | - | - | 0.375 | - | - | 0.5 | - | - | - | - | - | - |
| 24 | 24 | 0.25 | 0.375 | 0.562 | 0.375 | 0.688 | 0.969 | 0.5 | 1.219 | 1.531 | 1.812 | 2.062 | 2.344 | - |
| 26 | 26 | - | - | - | 0.375 | - | - | 0.5 | - | - | - | - | - | - |
| 30 | 30 | 0.312 | 0.5 | 0.625 | 0.375 | - | - | 0.5 | - | - | - | - | - | - |
C22.8 Blind Flanges Bolt Size
| Class 150 | Class 300 | Class 600 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NPS | # Studs And Bolts | Diameter of Studs And Bolts | Length of Stud | # Studs And Bolts | Diameter of Studs And Bolts | Length of Stud | # Studs And Bolts | Diameter of Studs And Bolts | Length of Stud | |||
| 1/16 RF | RTJ | 1/16 RF | RTJ | 1/4 RF | RTJ | |||||||
| 1/2 | 4 | 0.50 | 2-1/4 | – | 4 | 0.50 | 2-1/2 | 3 | 4 | 0.50 | 3 | 3 |
| 3/4 | 4 | 0.50 | 2-1/2 | – | 4 | 0.63 | 3 | 3-1/2 | 4 | 0.63 | 3-1/2 | 3-1/2 |
| 1 | 4 | 0.50 | 2-1/2 | 3 | 4 | 0.63 | 3 | 3-1/2 | 4 | 0.63 | 3-1/2 | 3-1/2 |
| 1-1/4 | 4 | 0.50 | 2-3/4 | 3-1/4 | 4 | 0.63 | 3-1/4 | 3-3/4 | 4 | 0.63 | 3-3/4 | 3-3/4 |
| 1-1/2 | 4 | 0.50 | 2-3/4 | 3-1/4 | 4 | 0.75 | 3-1/2 | 4 | 4 | 0.75 | 4-1/4 | 4-1/4 |
| 2 | 4 | 0.63 | 3-1/4 | 3-3/4 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.63 | 4-1/4 | 4-1/4 |
| 2-1/2 | 4 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4 | 4-1/2 | 8 | 0.75 | 4-3/4 | 4-3/4 |
| 3 | 4 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/4 | 4-3/4 | 8 | 0.75 | 5 | 5 |
| 3-1/2 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/4 | 5 | 8 | 0.88 | 5-1/2 | 5-1/2 |
| 4 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/2 | 5 | 8 | 0.88 | 5-3/4 | 5-3/4 |
| 5 | 8 | 0.75 | 3-3/4 | 4-1/4 | 8 | 0.75 | 4-3/4 | 5-1/4 | 8 | 1.00 | 6-1/2 | 6-1/2 |
| 6 | 8 | 0.75 | 4 | 4-1/2 | 12 | 0.75 | 4-3/4 | 5-1/2 | 12 | 1.00 | 6-3/4 | 6-3/4 |
| 8 | 8 | 0.75 | 4-1/4 | 4-3/4 | 12 | 0.88 | 5-1/2 | 6 | 12 | 1.13 | 7-1/2 | 7-3/4 |
| 10 | 12 | 0.88 | 4-1/2 | 5 | 16 | 1.00 | 6-1/4 | 6-3/4 | 16 | 1.25 | 8-1/2 | 8-1/2 |
| 12 | 12 | 0.88 | 4-3/4 | 5-1/4 | 16 | 1.13 | 6-3/4 | 7-1/4 | 20 | 1.25 | 8-3/4 | 8-3/4 |
| 14 | 12 | 1.00 | 5-1/4 | 5-3/4 | 20 | 1.13 | 7 | 7-1/2 | 20 | 1.38 | 9-1/4 | 9-1/4 |
| 16 | 16 | 1.00 | 5-1/4 | 5-3/4 | 20 | 1.25 | 7-1/2 | 8 | 20 | 1.50 | 10 | 10 |
| 18 | 16 | 1.13 | 5-3/4 | 6-1/4 | 24 | 1.25 | 7-3/4 | 8-1/4 | 20 | 1.63 | 10-3/4 | 10-3/4 |
| 20 | 20 | 1.13 | 6-1/4 | 6-3/4 | 24 | 1.25 | 8 | 8-3/4 | 24 | 1.63 | 11-1/4 | 11-1/2 |
| 24 | 20 | 1.25 | 6-3/4 | 7-1/4 | 24 | 1.50 | 9 | 10 | 24 | 1.88 | 13 | 13-1/4 |
ASTM A105 C22.8 Slip On Flanges Facing Type
Carbon Steel C22.8 Weld Neck Flanges Tolerance Chart
| Dimension | Flange | Tolerance |
|---|---|---|
| (A) | Outer Diameter (O.D.) |
|
| (D) | Inner Diameter (I.D.) |
|
| (B) | contact face Diameter |
|
| (J) | hub at base Diameter |
|
| (H) | Dia. of hub at point of welding |
|
| (P) | Drilling |
|
| Eccentricity of bolt circle with respect to facing |
|
|
| (C) | Wall Thickness |
|
| (K) | Length of hub |
|
C22.8 Forged Carbon Steel Flange Manufacturing Process
C22.8 Material Applications
Gaskets For A105 C22.8 Flanges
| (Normal Size Of Steel Pipes) In Inch | (I.D.) Inner Daimeter Gasket |
(O.D.) Outer Daimeter Gasket | ||||
|---|---|---|---|---|---|---|
| Class 150#/ LB | Class 300#/ LB | Class 400#/ LB | Class 600#/ LB | Class 900#/ LB | ||
| 1/2 | 0.84 | 1.875 | 2.125 | 2.125 | 2.125 | 2.50 |
| 3/4 | 1.06 | 2.25 | 2.625 | 2.625 | 2.625 | 2.75 |
| 1 | 1.31 | 2.625 | 2.875 | 2.875 | 2.875 | 3.125 |
| 1 1/4 | 1.66 | 3 | 3.25 | 3.25 | 3.25 | 3.50 |
| 1 1/2 | 1.91 | 3.375 | 3.75 | 3.75 | 3.75 | 3.875 |
| 2 | 2.38 | 4.125 | 4.375 | 4.375 | 4.375 | 5.625 |
| 2 1/2 | 2.88 | 4.875 | 5.125 | 5.125 | 5.125 | 6.50 |
| 3 | 3.50 | 5.375 | 5.875 | 5.875 | 5.875 | 6.625 |
| 4 | 4.50 | 6.875 | 7.125 | 7.00 | 7.625 | 8.125 |
| 5 | 5.56 | 7.75 | 8.50 | 8.375 | 9.50 | 9.75 |
| 6 | 6.62 | 8.75 | 9.875 | 9.75 | 10.50 | 11.375 |
| 8 | 8.62 | 11 | 12.125 | 12.00 | 12.625 | 14.125 |
| 10 | 10.75 | 13.375 | 14.25 | 14.125 | 15.75 | 17.125 |
| 12 | 12.75 | 16.125 | 16.625 | 16.50 | 18.00 | 19.625 |
C22.8 Thermal Conductivity
| Thermal Conductivity | 360 |
|---|
DIN 17243 C22.8 Specific Gravity
| Specific Gravity | 7.9 |
|---|

