ASME SA333 Grade 6 Seamless Carbon Steel Pipe for Low Temperature Service with Required Notch Toughness

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​

​​ASME SA333 Grade 6 Mechanical Properties

Quality Assurance​

• ​​100% Non-Destructive Testing​​: UT/RT per ASME Section V
• ​​Traceability​​: EN 10204 3.1 certificates with heat number tracking
• ​​Dimensional Precision​​:
• OD: ±1% or ±0.5mm
• WT: +20%/-12.5%

​​ASME SA333 Gr.6 Seamless Carbon Steel Pipe - Application Highlights​

​​LNG/LNG Storage & Transportation​​

• Reliable performance at ​​-45°C​​ for:
• LNG storage tanks
• Cryogenic transfer pipelines
• Regasification terminal piping

Petrochemical Processing​​

• Ideal for:
• Ethylene/LPG cryogenic piping
• Liquid nitrogen/oxygen delivery systems
• Refinery cold box exchangers

Power Generation​​

• Critical uses in:
• Nuclear plant auxiliary cooling lines
• Thermal power plant condenser systems

ASME SA333 Gr.6 Seamless Carbon Steel Pipe - Key Application Advantages​

1. Guaranteed Low-Temperature Performance​​

• Certified ​​Charpy V-notch impact ≥20J at -45°C​​
• Optimized Mn content (0.29-1.06%)​​ ensures ductility in cryogenic service
• Ultra-low P/S (≤0.025%)​​ prevents brittle fracture

​​2. Industry-Specific Reliability​​

• ​​LNG Systems​​: Complies with EN 14620 for storage/transfer
• ​​Petrochemical Plants​​: Resists thermal cycling in ethylene units
• Power Generation​​: Meets ASME BPVC Section VIII for condensers

​​3. Fabrication Advantages​​

• No preheat required​​ for welding 
• Compatible with ​​SMAW/GTAW/SAW​​ processes
• Tight dimensional tolerances 

​​4. Manufacturer Assurance​​

• ASME-certified production​​ with full traceability
• ​​Custom solutions​​: Electropolishing (Ra≤0.8μm), VCI packaging
• ​​30+ years​​ of cryogenic piping expertise