ASTM A350 LF2 Flanges Manufacturer, Supplier & Exporter in India
ASTM A350 LF2 Flanges supplied by Astromet Steel & Engineering are low-temperature carbon steel flanges designed for impact-resistant applications. These flanges provide excellent toughness at sub-zero temperatures. They are widely used in cold climate and cryogenic services. LF2 flanges ensure safety under extreme conditions.
LF2 flanges are manufactured with controlled chemical composition and heat treatment. This ensures superior impact strength and ductility. They maintain mechanical integrity at low temperatures. These properties make them suitable for critical piping systems.
Astromet Steel & Engineering supplies ASTM A350 LF2 flanges in normalized, quenched, and tempered conditions. Products are available in all standard flange types. Each flange is impact-tested as per standards. Custom requirements can be accommodated.
ASTM A350 LF2 flanges offer excellent weldability and pressure-handling capacity. They provide reliable sealing performance. Their durability minimizes maintenance costs. These flanges are trusted for safety-critical applications.
Types Of ASTM A350 LF2 Flanges
- Weld Neck Flange
- Slip On Flange
- Blind Flange
- Socket Weld Flange
- Threaded Flange
- Forged Flange
- OrificeFlange
ASTM A350 LF2 Flanges Specification
| Specifications | ASTM A350 / ASME SA350 |
|---|---|
| Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Size | 1/2″ (15 NB) to 48″ (1200NB) |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
Low Temperature Carbon Steel ASTM A350 LF2 Flanges Thermal Properties
| Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (@0-100°C/32-212°F) | 10.4 µm/m°C | 5.78 µin/in°F |
| Thermal conductivity | 21.6 W/mK | 150 BTU in/hr.ft².°F |
ASTM A305 LF2 Flanges Chemical Composition
| Grade | C% | Mn% | Si% | S% | P% | Cr% | Ni% |
| LF1 | 0.30 max | 0.6/1.35 | .15/.30 | .040 max | .035 max | 0.30 max | 0.40 max |
| Lf2 | 0.30 max | 0.6/1.35 | .15/.30 | .040 max | .035 max | 0.30 max | 0.40 max |
| LF3 | 0.20 max | 0.90 | .20/.35 | .040 max | .035 max | 0.30 max | 3.3/3.7 |
ASTM A350 Grade LF2 Flanges Mechanical Properties
| PROPERTIES | Imperial |
|---|---|
| TS Min psi (Mpa) | 70,000 (485) |
| YS Min psi (Mpa) | 36,000 (250) |
| EL (2″ Min) | 22% |
| RA Min | 30% |
| Hardness, Bhn | Max 197 |
| -50ºF Charpy | Min Impact |
| Energy F t/Lb (J):- | |
| Set of 3 Specimen* | 15 (20) |
| For One Specimen | 12 (16) |
Why Choose Astromet Steel & Engineering?
This advanced resistance to intergranular corrosion because of the
- Consistent quality & competitive pricing
- Ready stock & custom fabrication
- International standard compliance
- On-time delivery worldwide
- Complete documentation & certification
ASTM A350 Grade LF2 Flanges Usage & Applications
ASTM A350 Grade LF2 Flanges are extensively used in oil & gas pipelines, LNG plants, cryogenic vessels, offshore platforms, refineries, and low-temperature piping systems.