Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASME SA333 Grade 6 Seamless Carbon Steel Pipe for Low Temperature Service with Required Notch Toughness
YUHONG GROUP specializes in manufacturing ASME-certified carbon steel pipes for critical low-temperature applications. With 30+ years of expertise, our ASME SA333 Grade 6 Seamless Carbon Steel Pipes deliver reliable performance in cryogenic environments down to -45°C.
Chemical Composition Requirements for ASME SA333 Grade 6 Carbon Steel Pipe
| Element | Requirement (%) | Key Notes |
| Carbon (C) | ≤0.30 | Lower carbon improves weldability |
| Manganese (Mn) | 0.29-1.06 | Adjusted per heat treatment |
| Phosphorus (P) | ≤0.025 | Strict control for low-temp toughness |
| Sulfur (S) | ≤0.025 | Minimized for ductility |
| Silicon (Si) | ≥0.10 | Deoxidizer for quality control |
| Nickel (Ni) | ≤0.40 | Controlled for cost efficiency |
| Chromium (Cr) | ≤0.30 | Limited for cryogenic stability |
| Copper (Cu) | ≤0.40 | Prevents hot shortness |
| Vanadium (V) | ≤0.08 | Grain refinement additive |
| Molybdenum (Mo) | ≤0.12 | Trace amounts permitted |
ASME SA333 Grade 6 Mechanical Properties
| Property | Requirement |
| Tensile Strength (min) | 415 MPa (60,000 psi) |
| Yield Strength (min) | 240 MPa (35,000 psi) |
| Elongation (min) | Longitudinal: 30% |
| Transverse: 16.5% |
Quality Assurance
ASME SA333 Gr.6 Seamless Carbon Steel Pipe - Application Highlights
LNG/LNG Storage & Transportation
Petrochemical Processing
Power Generation
ASME SA333 Gr.6 Seamless Carbon Steel Pipe - Key Application Advantages
1. Guaranteed Low-Temperature Performance
2. Industry-Specific Reliability
3. Fabrication Advantages
4. Manufacturer Assurance
