ASTM A350 LF6 Low Temperature Flange
GNEE we follow all the set standards while manufacturing these ASTM A350 Carbon Steel Flanges. We also use better quality raw materials to produce these forged flanges.
ASTM A350 LF6 alloy flanges are composed of vanadium microalloyed steel, a high-strength low-alloy steel with elements such as carbon, manganese, phosphorus, nickel, chromium, molybdenum, and nitrogen. Due to the "micro" addition of alloying elements, it significantly increases the strength and impact toughness of the steel while remaining cost-effective.
ASTM A350 LF6 low temperature carbon steel forged flanges have excellent resistance to stress corrosion cracking and also have high resistance to corrosion fatigue and erosion corrosion. These ASTM A350 LF6 forged flanges are intended for use in cryogenic service conditions and are specially designed for cryogenic applications. They are widely used in petroleum, chemical plants, power industry, etc.
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A350 LF6 Pipe Flange Product information
ASME SA350 LF6 Carbon Steel Orifice Plate Flange Specification
| Material Specification Of : | ASTM A350 LF6 Flanges |
|---|---|
| Size Chart | Normal Pipe Size 1/2 to NPS 24" |
| Thickness | Normal Pipe Size ≤ 18 |
| Bore Diameter | Normal Pipe ≤ 10 |
| Flanges Standards | EN 1092-1, JIS, ASME B16.5, ASME B16.47 type A, UNI, DIN |
| Pressure Rating | Class 150 To Class 2500 |
| High Temperature | Above 200°C (400°F) For Class 150 Or Above 400°C (750°F) |
| Low Temperature | Above -29 Degree C (−20°F) |
| Common Types Of Flanges: | Slip On (SORF), Weld Neck (WNRF), Blind (BLRF), Lap Joint (Loose), Threaded (NPT), Socket-Weld (SWRF) |
Low Temperature ASTM A350 LF6 Socket Weld Flange Chemical Composition
| Element | Composition |
|---|---|
| Carbon, maximum | 0.20 maximum |
| Manganese | 0.90 maximum |
| Phosphorus, maximum | 0.035 maximum |
| Sulfur, maximum | 0.040 maximum |
| Silicon [Note A] | 0.20–0.35 |
| Nickel | 3.3–3.7 |
| Chromium | 0.30 maximum [Note C] |
| Molybdenum | 0.12 maximum [Note C] |
| Copper | 0.40 maximum |
| Columbium | 0.02 maximum |
| Vanadium | 0.03 maximum |
ASTM A350 Lf6 Slide into flange Mechanical Properties
| Grade/Class | Tensile Strength | Yield Strength, minimum | Elongation, minimum | Hardness, maximum | ||
| ksi | MPa | ksi | MPa | % | HBW | |
| LTCS LF6 CL1 | 66–91 | 455–630 | 52 | 360 | 22 | 197 |
| LTCS LF6 CL2 | 75–100 | 515–690 | 60 | 415 | 20 | 197 |
| LTCS LF6 CL3 | 75–100 | 515–690 | 60 | 415 | 20 | 197 |
ASTM A350 LF6 alloy steel flange
Why choose us
GNEE has 14 steel production lines and 10 processing equipments for machining, bending, painting, heat treatment, cutting, drilling, bevelling, tempering and surface treatment. We have complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tonnes including all kinds of carbon steel flanges.
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FAQ
1.Q: What are your advantages?
A: Honest business, competitive price and professional export process service.
2.Q: Can your products be customised?
A: Yes, we can produce and process flanges according to your requirements.
3. Q: Do you have quality control system?
A: Yes, we have our own quality control laboratory.
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