ASTM A333 Carbon Steel Pipe for Low-Temperature Service
For projects operating in cold environments, standard carbon steel pipes may lose toughness and become susceptible to brittle fracture. ASTM A333 Carbon Steel Pipe is specifically designed for low-temperature applications where impact performance is critical.
Commonly used in LNG facilities, refrigeration systems, cryogenic storage, and low-temperature process piping, A333 pipe undergoes impact testing to ensure reliable performance under sub-zero service conditions.
Product Specifications
| Item | Details |
| Standard | ASTM A333 / ASME SA333 |
| Common Grades | Grade 1, Grade 3, Grade 6 |
| Outside Diameter | 21.3 mm – 762 mm |
| Wall Thickness | SCH 10 – SCH XXS |
| Length | 5.8 m, 6 m, 11.8 m, 12 m or Custom |
| Surface | Black Painted, Varnished, Bare |
| Trade Terms | EXW, FOB, CFR, CIF |
Mechanical Properties & Chemical Composition (Grade 6)
| Property | Value |
|---|---|
| Tensile Strength | ≥ 415 MPa |
| Yield Strength | ≥ 240 MPa |
| Carbon (C) | ≤ 0.30% |
| Manganese (Mn) | 0.29% – 1.06% |
| Phosphorus (P) | ≤ 0.025% |
| Sulfur (S) | ≤ 0.025% |
| Silicon (Si) | ≥ 0.10% |
Minimum Impact Test Temperature
| Grade | Minimum Service Temperature |
|---|---|
| Grade 1 | -45°C |
| Grade 3 | -100°C |
| Grade 6 | -50°C |
Key Features Buyers Care About
Designed for Low-Temperature Applications
Unlike ASTM A106 or API 5L pipes, A333 pipe is selected primarily for its toughness at low temperatures. This makes it a common choice for cryogenic and refrigerated systems.
Mandatory Impact Testing
One of the biggest differences between A333 and ordinary carbon steel pipe is the requirement for Charpy impact testing, ensuring adequate toughness under cold operating conditions.
Preferred Material for LNG Projects
A333 Grade 6 is widely specified in LNG terminals, gas processing plants, and low-temperature storage facilities because it balances cost, strength, and low-temperature performance.
Typical Applications
Our cryogenic metal piping solutions serve mainstream energy & petrochemical projects globally, covering:
- LNG Terminals
- Cryogenic Storage Tanks
- Low-Temperature Process Piping
- Natural Gas Processing Plants
- Refrigeration Systems
- Petrochemical Facilities
- Industrial Gas Transportation
- Offshore Energy Projects
FAQ
Q: Which A333 grade is most commonly used?
A: Grade 6 is the most widely used grade for industrial low-temperature piping systems.
Q: Is impact testing mandatory?
A: Yes. ASTM A333 pipes are supplied with low-temperature impact testing according to the standard requirements.
Q: What is the difference between A333 and A106 pipe?
A: A333 is designed for low-temperature service, while A106 is mainly used for high-temperature pressure piping.
Q: Do you supply seamless A333 Grade 6 pipe?
A: Yes. Seamless A333 Grade 6 pipes are available in various sizes and wall thicknesses.
Hot Tags: a333 carbon steel pipe, China a333 carbon steel pipe manufacturers, factory, API 5CT Pipe, Carbon Steel Pipe A500, A500 Steel Pipe, carbon steel, A53 Carbon Steel Tube, API 5CT Carbon Steel Pipe
