ASTM A333 / SA333 Gr10 Low Temperature Steel Pipe
ASTM A333 / SA333 Gr 10 is a high-nickel alloy steel pipe designed for extreme low-temperature service. With approx. 10% nickel content, it delivers exceptional toughness, ductility, and impact resistance in cryogenic applications, making it ideal for LNG plants, offshore pipelines, and chemical processing industries. Grade 10 ensures reliable performance at temperatures as low as –196°C.
Key Features
- High nickel content (~10%) for extreme low-temperature performance
- Excellent impact resistance and toughness at cryogenic conditions
- Available in seamless and welded forms
- Good weldability and formability
- Widely used in cryogenic storage, LNG pipelines, and offshore applications
ASTM A333 / SA333 Gr10 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.20 max |
| Manganese (Mn) | 0.30 – 0.80 |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
| Silicon (Si) | 0.15 – 0.35 |
| Nickel (Ni) | 9.5 – 10.5 |
ASTM A333 / SA333 Gr10 Mechanical Properties
| Property | Requirement |
|---|---|
| Tensile Strength (MPa) | 585 min |
| Yield Strength (MPa) | 415 min |
| Elongation (%) | 22 min |
| Impact Test (–196°C) | Required (Charpy V-Notch) |
Heat Treatment
- Normalized
- Quenched & Tempered
- Normalized & Tempered
Applications
- LNG storage and transportation pipelines
- Cryogenic tanks and heat exchangers
- Offshore oil & gas pipelines
- Chemical and petrochemical plants
- Shipbuilding and marine applications
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