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Product Overview
Introduction to ASTM A350 LF2 Flanges
ASTM A350 LF2 is a carbon steel grade specifically developed for low-temperature service. It offers excellent toughness and strength even in sub-zero conditions, making it suitable for critical industrial applications.
LF2 flanges are preferred because:
- They maintain ductility at low temperatures
- Provide strong mechanical performance
- Ensure safety in cryogenic environments
These flanges are ideal for oil & gas, petrochemical, and LNG handling applications.
Key Features
Designed for low-temperature applications
Excellent impact resistance
High strength and durability
Good weldability
Suitable for cryogenic environments
Reliable performance under stress
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Size & Pressure Range
Pressure Class
Class 150 to 2500
Size Range
½” to 48”
Customization
Custom sizes & drilling available
For detailed dimension charts including bolt hole patterns and weights, please contact our technical team.
Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.30 |
| Manganese (Mn) | 0.60 – 1.35 |
| Silicon (Si) | 0.15 – 0.30 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.040 |
Controlled composition ensures low-temperature toughness and strength.
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 485 – 655 MPa |
| Yield Strength | ≥ 250 MPa |
| Elongation | ≥ 22% |
| Impact Test | Required at low temperature |
Designed to perform in extreme cold environments.
Applications
Oil & Gas
- • Low-temperature pipelines
- • Offshore installations
LNG & Cryogenic Systems
- • Storage tanks
- • Gas processing plants
Petrochemical
- • Process piping
- • Chemical plants
Power Plants
Packaging & Export
We are a reliable ASTM A350 LF2 flange supplier and exporter, supplying globally.
Trusted by EPC
contractors and global buyers.
Export Markets
- UAE
- Saudi Arabia
- Qatar
- Oman
- Kuwait
- Europe & Southeast Asia
Export Services
- Export packaging
- EN 10204 3.1 certification
- Third-party inspection
- Bulk project supply
Advantages
- Excellent performance at low temperatures
- High impact resistance
- Strong and durable material
- Reliable for critical applications
- Long service life
LF2 vs A105 Flanges
| Parameter | LF2 Flanges | A105 Flanges |
|---|---|---|
| Temperature | Low-temp | Normal temp |
| Toughness | High | Moderate |
| Application | Cryogenic | General |
| Cost | Slightly higher | Lower |
Note: LF2 is preferred for low-temperature environments, while A105 is for standard use.
Buying Guide
Before selecting LF2 flanges, consider:
- Check operating temperature
- Select correct pressure class
- Choose suitable flange type
- Verify certifications
- Ensure compatibility with piping system
We help you choose the right flange for your project.
Testing & Quality Control
- • Impact testing (low temp)
- • PMI testing
- • Ultrasonic testing
- • Hardness testing
- • Dimensional inspection
EN 10204 3.1 certification available.
Why Choose Moksh Tubes & Fittings LLP
FAQ
What is ASTM A350 LF2 used for?
Used in low-temperature and cryogenic applications.
What is the difference between LF2 and A105?
LF2 is for low temperatures, A105 is for normal conditions.
Do you export LF2 flanges?
Yes, we export globally including GCC countries.
Request a Quote for ASTM A350 LF2 Flanges
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