Factory Address:
Plot No. 749/77/5, G.I.D.C. Estate, Makarpura, Vadodara -390010.
ASTM A765 Standard Specification
| Specifications | ASTM A765 Flange |
|---|---|
| Face Type | RTJ/ RF/ FF |
| Schedule Chart | SCH 5S To XXS. |
| Coating | Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized |
| Production Technique | Forged/ Heat treated and machined |
| Supporting Material | Gasket/ Ring Joint/ Flange Bolts |
| Forging Methods | Forging & Casting, Rolling & Cutting |
| Sizes | NPS 1⁄₂" Inch To NPS 48” Inch |
| Transportation | Ocean And Air |
| JIS Standard | 5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K |
| Flange Test | Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector |
ASTM A765 Flange Price List
| Nominal Diameter | Nominal pipe size in mm | Pitch Circle Diameter In mm | Thread holes | Standard | Pressure | Price In INR (India) Per Piece |
| DN 20 | 3/4" (26,9) | 75 | 4 x 14 mm Ø | ASTM A765 | Grade 4 | 436.00 |
| DN 25 | 1" (33,7) | 85 | 4 x 14 mm Ø | - | - | 664.00 |
| DN 32 | 1.1/4" (42,4) | 100 | 4 x 18 mm Ø | - | - | 906.00 |
| DN 40 | 1.1/2" (48,3) | 110 | 4 x 18 mm Ø | - | - | 1289.00 |
| DN 50 | 2" (60,3) | 125 | 4 x 18 mm Ø | - | - | 1689.00 |
| DN 65 | 76,1 | 145 | 4 x 18 mm Ø | - | - | 2452.00 |
| DN 80 | 88,9 | 160 | 8 x 18 mm Ø | - | - | 2980.00 |
| DN 100 | 108 | 180 | 8 x 18 mm Ø | - | - | 3573.00 |
| DN 100 | 114,3 | 180 | 8 x 18 mm Ø | - | - | 4292.00 |
| DN 125 | 133 | 210 | 8 x 18 mm Ø | - | - | 4979.00 |
| DN 125 | 139,7 | 210 | 8 x 18 mm Ø | - | - | 5259.00 |
| DN 150 | 159 | 240 | 8 x 22 mm Ø | - | - | 5785.00 |
| DN 150 | 168,3 | 240 | 8 x 22 mm Ø | - | - | 6205.00 |
| DN 200 | 219,1 | 295 | 12 x 22 mm Ø | ASTM A765 | Grade 4 | 6988.00 |
Types Of ASTM A765 Material
Sa 765 Gr 2 Flanges
Sa 765 Gr Iv Flanges
Sa 765-11 Flanges
ASTM A765 Blind Flange
ASTM A765 Slip On Flange
ASTM A765 Weld Neck Flange
ASTM A765 Threaded Flanges
ASTM A765 Plate Flange
ASTM A765 Socket Weld Flange
ASTM A765 Pipe Flange
ASTM A765 Forging Flange
A765 Flange
Sa 765 Gr.3 Flanges
Sa 765 Grade 4 Flanges
Astm A765 Grade 4 Flanges
Astm A765 Material
Astm A765 Forged Rings
Astm A76 Steel Pressure-vessel Flanges
Astm A76 Carbon Steel Flanges
Astm A76 Low-alloy Steel Flanges
SA765 Flange
ASME SA765 Flange
ASTM A765 GRADE V CLASS 2 Flange
A765 Gr. I Flange
A765 Gr. II Flange
A765 Gr. III Flange
A765 Gr. IV Flange
SA 765 Gr 2 Equivalent
SA-765 Gr 2 Chemical Composition
| Element | Minimum | Maximum | Similar |
|---|---|---|---|
| P | - | 0.0200 | - |
| Ni | 1.0000 | 2.0000 | - |
| C | - | 0.3000 | - |
| V | - | 0.0300 | - |
| Si | 0.1500 | 0.3500 | - |
| S | - | 0.0200 | - |
| Al | - | 0.0500 | - |
| Mo | - | 0.1200 | - |
| Mn | 0.6000 | 1.3500 | - |
| Cu | - | 0.3500 | - |
| Cr | - | 0.3000 | - |
SA 765 Grade 3 Mechanical Properties
| As-Heat-Treated Condition | Brinell hardness (HBW) | Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
|---|---|---|---|---|---|---|
| Solution and Aging, Annealing, Ausaging, Q+T,etc | 412 | 441 (≥) | 617 (≥) | 12 | 32 | 32 |
ASTM A765 Grade 4 Physical Properties
| Density (kg/dm³) |
Poisson’s coefficient, ν | Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
|---|---|---|---|---|---|
| - | 33 | - | - | ||
| - | 367 | 815 | - | 24.3 | |
| 124 | 224 | 638 | - | 41 | 14.2 |
Sa 765 Gr.3 Flanges Applications
Heat Treated For ASTM A76 Low-Alloy Steel Flanges
Heat treated: 1891°C - 1781°C.
ASTM A765 Pipe Flange Temperature
| Property | Temperature | Value |
|---|---|---|
| Charpy impact energy | 20.0 °C | 35 J |
| Elastic modulus | 20.0 °C | 200 - 215 GPa |
| Elongation A50 | 20.0 °C | 22 % |
| Poisson's ratio | 20.0 °C | 0.29 [-] |
| Reduction of area | 20.0 °C | 30 % |
ASTM A765 Forging Flange Tensile Strength
| Property | Temperature | Value |
|---|---|---|
| Tensile strength | 20.0 °C | 550 - 725 MPa |
Thermal Properties Of SA765 Flange
| Property | Temperature | Value |
|---|---|---|
| Coefficient of thermal expansion | 20.0 °C | 1.32E-5 - 1.38E-5 1/K |
| Max service temperature | - | 500 °C |
| Melting point | - | 1480 - 1526 °C |
Electrical Of ASME SA765 Flange
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Electrical resistivity | 20.0 °C | 1.43E-7 - 1.74E-7 Ω·m | Typical for Carbon Steel |
Magnetic Of ASTM A765 Grade V Class 2 Flange
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Curie temperature | 20.0 °C | 770 °C | Typical for Low Carbon Steel |
