Factory Address:
Plot No. 749/77/5, G.I.D.C. Estate, Makarpura, Vadodara -390010.
ASTM A266 Standard Specification
| Specifications | ASTM A266 Flanges |
|---|---|
| Supporting Material | Gasket/ Ring Joint/ Flange Bolts |
| Production Technique | Forged/ Heat treated and machined |
| Forging Methods | Forging & Casting, Rolling & Cutting |
| Manufacturer of | Forged/ Threaded/ Screwed / Plate |
| Transportation | Ocean And Air |
| Face Type | RTJ/ RF/ FF |
| Schedule Chart | SCH 5S To XXS. |
| Length | NPS 1⁄₂" Inch To NPS 48” Inch |
SA266 Material Price List
| Type Of Flanges | Size In Inch | SCH | Class | Grade | Price In INR (India) Per Piece |
|---|---|---|---|---|---|
| Blind Flanges | 3/4 | 40 | 150 | ASTM A266 Carbon Steel | 140.00 |
| - | 1 | 40 | 150 | - | 163.00 |
| - | 1-1/2 | 40 | 150 | - | 284.00 |
| - | 2 | 40 | 150 | - | 487.00 |
| Blind | 4 | 40 | 150 | - | 634.00 |
| Weld Neck Flanges | 2 | STD | 150 | - | 410.00 |
| - | 4 | STD | 300 | - | 750.00 |
| - | 6 | 80 | 300 | - | 1087.00 |
| - | 8 | 80 | 300 | - | 1442.00 |
| Weld Neck | 10 | 80 | 300 | - | 2083.00 |
| Slip On Flanges | 2 | 40 | 150 | - | 257.00 |
| - | 3 | 40 | 150 | - | 447.00 |
| - | 4 | 80 | 300 | - | 643.00 |
| - | 6 | 80 | 300 | - | 1050.00 |
| Slip On | 8 | 80 | 300 | ASTM A266 Carbon Steel | 1487.00 |
Types Of ASTM A266 Flanges
ASTM A266 Steel Flanges
ASTM A266 Pipe Flanges
ASTM A266 Forging Flanges
Carbon Steel Forgings For Pressure Vessel Components
Astm A266 Grade 2 Flanges
Astm A266 Grade 4 Flanges
ASTM A266 Grade 1 Flanges
ASTM A266 Cl2 Flanges
Astm A266 Gr 2 Carbon Steel Flanges
Astm A266 Gr 3 Carbon Steel Flanges
Astm A266 Gr 4 Carbon Steel Flanges
ASTM A266 Carbon Steel Forgings Flanges
ASME Sa266 Cl2 Grade 2 Flanges
SA 266 Gr 2 SORF Flanges
ASTM A266M Grade 4 Blind Flanges
ASTM A266 Gr. 2 Weld Neck Flanges
Carbon Steel SA 266 Gr 4 Orifice Flanges
ASTM A266 Gr. 4 Socket Weld Flanges
Carbon Steel SA 266m Gr 2 Lap Joint Flanges
SA 266 Gr 4 Forged Flanges
ASTM A266M Grade 3 Threaded Flanges
Sa 266 Gr 2 Vs Sa 516 Gr 70
ASTM A266 Grade 2 Flanges Chemical Composition Requirements
| Item | Chemical Requirements for ASTM A266 Flanges, % | ||
| Gr. 1 & 2 | Gr. 3 | Gr. 4 | |
| P | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
| S | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
| C | ≤ 0.30 | ≤ 0.35 | ≤ 0.30 |
| Mn | 0.40~1.05 | 0.80~1.35 | 0.80~1.35 |
| Si | 0.15~0.35 | 0.15~0.35 | 0.15~0.35 |
ASTM A266 Grade 4 Flanges Mechanical Properties
| Tensile Requirements |
Gr. 1 | Gr. 2 & 4 | Gr. 3 |
|---|---|---|---|
| EL. in 2" or [62.5 mm] minimum % |
23 [21] |
20 [18] |
19 [17] |
| R.o.A minimum % |
38 | 33 | 30 |
| T.S minimum ksi [Mpa] |
60~85 [415~585] |
70~95 [485~655] |
75~100 [515~690] |
| Y.S minimum ksi [Mpa] |
30 [205] |
36 [250] |
37.5 [260] |
ASTM A266 Gr 2 Carbon Steel Flanges Heat Treatment
ASTM A266 Flanges Material Standard
| ASTM A266/ASME SA266 | Specification for Carbon Steel Forgings for Pressure Vessel Components | |||
|---|---|---|---|---|
| Material Grade | Grade 1 | Grade 2 | Grade 3 | Grade 4 |
ASME SA266 CL2 Grade 2 Flange Tensile Requirements
ASME SA266 Flanges Hardness
| ASTM A266 | Brinell Hardness HBW |
|---|---|
| Grade 1 | 121~170 |
| Grade 2 | 137~197 |
| Grade 3 | 156~207 |
| Grade 4 | 137~197 |
A266 Gr. 2 Shear Strength
| Shear Strength | |
|---|---|
| 360 MPa | 52 x 103 psi |
A266 Gr. 4 Thermal Properties
| Latent Heat of Fusion | 250 J/g |
|---|---|
| Maximum Temperature: Mechanical | 400 °C 750 °F |
| Melting Completion (Liquidus) | 1460 °C 2660 °F |
| Melting Onset (Solidus) | 1420 °C 2590 °F |
| Specific Heat Capacity | 470 J/kg-K 0.11 BTU/lb-°F |
| Thermal Expansion | 12 µm/m-K |
| Thermal Conductivity | 52 W/m-K 30 BTU/h-ft-°F |
ASTM A266 Grade 1 Electrical Properties
| Electrical Conductivity: Equal Volume | 7.1 % IACS |
|---|---|
| Electrical Conductivity: Equal Weight (Specific) | 8.1 % IACS |
