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Ganpat Metal supplies ASTM A350 LF2 Flanges in India for industrial piping, pressure-containing systems and low-temperature service applications. We offer LF2 Class 1 and Class 2 flanges in different types, pressure classes, face configurations and sizes.
Available from ½″ to 60″ NPS / 15 NB to 1500 NB, our ASTM A350 LF2 flanges can be supplied to applicable ASTM, ASME, MSS and API requirements.
| Parameter | Details / Specification |
|---|---|
| Material Specification | ASTM A350 Grade LF2 / ASME SA350 Grade LF2 (Class 1 & Class 2) |
| UNS Designation | UNS K03011 |
| Size Range | ½″ to 60″ (NPS) / 15 NB to 1500 NB |
| Dimensional Standards | ASME B16.5 (½″ to 24″), ASME B16.47 Series A & B (26″ to 60″), MSS SP-44, API 6A |
| Pressure Class Ratings | Class 150#, 300#, 400#, 600#, 900#, 1500#, 2500# |
| Flange Face Types | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Male & Female (M&F), Tongue & Groove (T&G) |
| Flange Types | Weld Neck (WN), Slip-On (SO), Blind (BL), Threaded/Screwed, Socket Weld (SW), Lap Joint (LJ), Spectacle Blind |
| Grade | Carbon | Manganese | Silicon | Sulfur | Phosphorus | Chromium | Nickel |
|---|---|---|---|---|---|---|---|
| LF1 | 0.30 max | 0.60–1.35 | 0.15–0.30 | 0.040 max | 0.035 max | 0.30 max | 0.40 max |
| LF2 | 0.30 max | 0.60–1.35 | 0.15–0.30 | 0.040 max | 0.035 max | 0.30 max | 0.40 max |
| LF3 | 0.20 max | 0.90 max | 0.20–0.35 | 0.040 max | 0.035 max | 0.30 max | 3.30–3.70 |
| Property | Requirement |
|---|---|
| Tensile Strength Min. | 70,000 psi (485 MPa) |
| Yield Strength Min. | 36,000 psi (250 MPa) |
| Elongation Min. (2″) | 22% |
| Reduction of Area Min. | 30% |
| Hardness Max. | 197 BHN |
| Charpy V-Notch (-50°F), Set of 3 Specimens* | 15 ft-lbf (20 J) |
| Charpy V-Notch (-50°F), One Specimen | 12 ft-lbf (16 J) |
| Temperature (°C) | Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 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 | 233.0 | 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 | 219.0 | 365.0 |
| 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 | 313.0 |
| 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 | 23.0 | 30.7 | 46.0 | 69.0 | 115.0 | 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 |
Pressure-temperature values should be checked against the applicable standard and units before engineering use.
| Standard | Class | Diameter | Bolt Circle Diameter | Number of Bolts | Bolt Size | Diameter of Bolt Hole |
|---|---|---|---|---|---|---|
| AS4087 | PN14 | 95 | 67 | 4 | M12 | 14 |
| AS 2129 Flange | Table C | 95 | 67 | 4 | 13 | 14 |
| AS 2129 Flange | Table D | 95 | 67 | 4 | 13 | 14 |
| AS 2129 Flange | Table E | 95 | 67 | 4 | 13 | 14 |
| AS 2129 Flange | Table F | 95 | 67 | 4 | 13 | 14 |
| AS 2129 Flange | Table H | 114 | 83 | 4 | 16 | 17 |
| AS 2129 Flange | Table J | 114 | 83 | 4 | 16 | 17 |
| ASTM/ASME B16.5 | ASTM 150 | 89 | 60 | 4 | 13 | 16 |
| ASTM/ASME B16.5 | ASTM 300 | 95 | 67 | 4 | 13 | 16 |
| ASTM/ASME B16.5 | ASTM 600 | 95 | 67 | 4 | 13 | 16 |
| ASTM/ASME B16.5 | ASTM 900 | 121 | 83 | 4 | 19 | 22 |
| ASTM/ASME B16.5 | ASTM 1500 | 121 | 83 | 4 | 19 | 22 |
| ISO 7005 (DIN) Flange | PN6 | 80 | 55 | 4 | M10 | 11 |
| ISO 7005 (DIN) Flange | PN10 | 95 | 65 | 4 | M12 | 14 |
| ISO 7005 (DIN) Flange | PN16 | 95 | 65 | 4 | M12 | 14 |
| ISO 7005 (DIN) Flange | PN20 | 90 | 60.5 | 4 | M14 | 16 |
| ISO 7005 (DIN) Flange | PN25 | 95 | 65 | 4 | M12 | 14 |
| ISO 7005 (DIN) Flange | PN40 | 95 | 65 | 4 | M12 | 14 |
Select Flange options below and click the "Calculate Weight" button to reveal exact weight.
Ganpat Metal supplies ASTM A350 LF2 flanges manufactured according to the specified material and dimensional requirements. Production can include forging, heat treatment, machining, drilling, face finishing and final dimensional inspection.
Flanges are identified and checked according to the applicable purchase order, material specification and inspection requirements.
Ganpat Metal supplies ASTM A350 LF2 Flanges in India for industrial piping, pressure-containing systems and project requirements. We supply Class 1 and Class 2 flanges in different types, pressure classes and face configurations.
Our supply can be arranged with the required inspection and material documentation. Ganpat Metal holds ISO certification and MSME registration, supporting its industrial supply and business credentials.
For quotation, share the LF2 class, flange type, NPS/NB, pressure class, face type, applicable standard, quantity, testing requirements, documentation requirements and delivery location.
India
Brazil
New Zealand
Australia
Bangladesh
Malaysia
UAE
Saudi Arabia
Oman
Egypt
Spain
Russia
Kazakhstan
Send your flange requirement to Ganpat Metal with the grade, class, size, pressure class, flange type, face, standard, quantity and delivery location.
For project orders, also specify required testing, inspection, MTC and other documentation requirements.
For other carbon steel flange grades, configurations, pressure classes and sizes, see the Carbon Steel Flanges range.
