Product Overview –ASTM A334 Grade 6 Carbon Steel Pipes
ASTM A334 Grade 6 Carbon Steel Pipes are premium Low Temperature Carbon Steel (LTCS) seamless and welded pipes specifically designed for pressure piping systems operating in low and sub-zero temperature environments. Known for their excellent impact toughness, weldability, and mechanical strength, these pipes are extensively used in industries where reliable performance under cold service conditions is critical.
ASTM A334 Grade 6 is one of the most commonly specified LTCS grades for LNG terminals, cryogenic process plants, oil & gas pipelines, petrochemical facilities, refineries, power plants, offshore platforms, fertilizer plants, and industrial processing units. It maintains excellent toughness at low temperatures, making it a preferred material for transporting liquefied gases, chilled hydrocarbons, and other low-temperature process fluids.
If you are looking for an ASTM A334 Grade 6 Carbon Steel Pipe supplier in UAE, LTCS Pipe exporter in Saudi Arabia, ASTM A334 Grade 6 Pipe stockist in Qatar, or Low Temperature Carbon Steel Pipes for LNG projects, we supply certified products with complete material traceability, EN 10204 3.1 Mill Test Certificates, and third-party inspection support.
As a trusted ASTM A334 Grade 6 Carbon Steel Pipes supplier, exporter, and stockist, we serve customers across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, India, Europe, Africa, and Southeast Asia, helping EPC contractors, engineering consultants, fabricators, and procurement teams source certified weathering steel pipes for critical projects.
Material Specification -ASTM A334 Grade 6 Carbon Steel Pipes
Technical Specifications –ASTM A334 Grade 6 Carbon Steel Pipes
| Outside Diameter: | ½" NB to 24" NB |
| Wall Thickness: | SCH 10 to SCH XXS |
| Length: | Single Random, Double Random & Custom Length |
| Pipe Ends: | Plain End, Bevel End, Threaded |
| Manufacturing: | Seamless & Welded |
| Surface Finish: | Black, Bare, Anti-Rust Coated |
| Available Sizes: | ½", ¾", 1", 1¼", 1½" , 2" , 2½" , 3", 4", 5", 6", 8", 10", 12", 14", 16", 18", 20", 24" |
Custom lengths and project-specific sizes are available on request.
Third Party Inspection Available
All specifications are in accordance of ASTM A334 / ASME SA334. Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition –ASTM A334 Grade 6
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Carbon (C): | 0.30 |
| Phosphorus (P): | 0.025 |
| Manganese (Mn): | 0.29–1.06 |
| Sulfur (S): | 0.025 |
Note: ASTM A334 Grade 6 is carefully produced to provide excellent low-temperature toughness while maintaining good strength, ductility, and weldability for pressure piping systems operating under demanding service conditions.
Mechanical Properties
| Property | Value (Min) |
|---|---|
| Yield Strength | 240 MPa |
| Tensile Strength | 415 MPa |
| Elongation | 30% |
| Impact Toughness | Excellent for Low Temperature Service |
Note :ASTM A334 Grade 6 is widely recognized for maintaining mechanical integrity and impact resistance at sub-zero temperatures, making it one of the industry's preferred materials for cryogenic and low-temperature process piping.
Why ChooseASTM A334 Grade 6 Carbon Steel Pipes?
Applications ofASTM A334 Grade 6 Carbon Steel Pipes
Where ASTM A334 Grade 6 Carbon Steel Pipes are used:
- 🔸Low Temperature Process Piping
- 🔸Cryogenic Piping Systems
- 🔸LNG Facilities
- 🔸Oil & Gas Pipelines
- 🔸Refinery Process Lines
- 🔸Chemical Plants
- 🔸Petrochemical Units
- 🔸Pressure Piping Systems
- 🔸Industrial Utilities
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Key Advantages ofASTM A334 Grade 6 Carbon Steel Pipes
Best Alternatives toASTM A334 Grade 6 Carbon Steel Pipes
1. ASTM A333 Grade 6 LTCS Pipes
- This process provides:
- 🔸 Industry-standard low-temperature carbon steel
- 🔸 Excellent impact resistance
- 🔸 Suitable for critical pressure piping
Best for:LNG terminals, cryogenic pipelines, refineries, petrochemical plants, and offshore applications.
2. ASTM A333 Grade 1 LTCS Pipes
- 🔸 Reliable low-temperature performance
- 🔸 Good weldability
- 🔸 Cost-effective solution
Best for: Industrial process piping, refrigeration systems, and moderate low-temperature applications.
3. ASTM A106 Grade B Seamless Pipes
- 🔸 Excellent high-temperature strength
- 🔸 Pressure service applications
- 🔸 Widely available globally
Best for: Boilers, refineries, power plants, and process piping operating at elevated temperatures.