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Selected high-quality SUS304 stainless steel, featuring high strength, high-temperature resistance (-20°C to 350°C), and corrosion resistance. It can withstand sulfide corrosion in gas, with a lifespan of over 30 years.
Utilizes laser cutting and CNC punching technology for precise raw material cutting, ensuring uniform pipe thickness; the surface undergoes electrolytic polishing to eliminate microscopic defects and enhance fatigue resistance.
Learn more: What Is A CSST Gas Line And How Did It Evolve
Employs multi-axis linked CNC equipment, using a high-pressure hydraulic system to press the pipes into a corrugated structure, with corrugation depth and spacing errors controlled within ±0.1mm, ensuring a perfect balance of flexibility and pressure resistance (pressure strength ≥ 6MPa).
Achieves seamless connections between the corrugated pipes and joints with an accuracy of 0.02mm, with weld penetration reaching 100% of the wall thickness, eliminating the risks of false and missed welds, and achieving a 100% pass rate in airtightness testing.
Combines metal sealing rings, high-temperature silicone gaskets, and self-locking buckle structures to achieve physical sealing, elastic sealing, and mechanical locking for triple protection, minimizing leakage risks.
See also: What Makes CSST Gas Lines Different From Traditional Piping
From raw material batch numbers to production equipment parameters, all data is recorded in the MES system, achieving traceable quality; each corrugated pipe is equipped with a unique QR code, allowing scanning to view the complete production record.
Raw Material Screening: Spectrometer analyzes stainless steel composition to ensure nickel and chromium content complies with ASTM A240 standards.
Online Flaw Detection: Ultrasonic Testing (UT) and Eddy Current Testing (ET) run in parallel to monitor internal defects in real time.
Burst Pressure Testing: Simulates 10 times the working pressure (60MPa) for 30 minutes to verify ultimate pressure resistance.
Airtightness Testing: Helium mass spectrometer leakage detection measures leakage rate, with precision reaching 1×10⁻⁸ Pa·m³/s, far exceeding industry standards.
Fatigue Life Testing: Conducts 50,000 cycles of bending tests to verify aging resistance and long-term reliability.
Safety reference: Beginner’s Guide To Safe CSST Gas Line Installation
Made from corrosion-resistant stainless steel.
Features a UV-resistant sheath, making it durable in various environments.
Suitable for indoor/outdoor natural gas or liquid propane applications such as fire pits, gas stoves, water heaters, grills, etc.
Can be used for installations in exposed areas or embedded behind walls in concrete or drywall.
Ideal for underground installations and handling corner bends without extra joints.



Stainless steel resists corrosion from gases and environmental exposure (moisture, salt, chemical fumes).
Operates effectively in high-temperature environments, making it suitable for industrial processes or systems requiring elevated temperatures.
Stronger than rubber or plastic hoses, resistant to collapsing under high pressure.
Stainless steel is non-porous and resists bacterial contamination, making it ideal for sanitary applications.
We provide full-process digital traceability, precision manufacturing, and OEM/ODM customization to create safe and reliable gas delivery systems.
View the CSST Gas Line product and contact us today to discuss your specifications, request samples, and explore tailored production solutions for residential, commercial, and industrial gas line applications.
Selected high-quality SUS304 stainless steel, featuring high strength, high-temperature resistance (-20°C to 350°C), and corrosion resistance. It can withstand sulfide corrosion in gas, with a lifespan of over 30 years.
Utilizes laser cutting and CNC punching technology for precise raw material cutting, ensuring uniform pipe thickness; the surface undergoes electrolytic polishing to eliminate microscopic defects and enhance fatigue resistance.
Learn more: What Is A CSST Gas Line And How Did It Evolve
Employs multi-axis linked CNC equipment, using a high-pressure hydraulic system to press the pipes into a corrugated structure, with corrugation depth and spacing errors controlled within ±0.1mm, ensuring a perfect balance of flexibility and pressure resistance (pressure strength ≥ 6MPa).
Achieves seamless connections between the corrugated pipes and joints with an accuracy of 0.02mm, with weld penetration reaching 100% of the wall thickness, eliminating the risks of false and missed welds, and achieving a 100% pass rate in airtightness testing.
Combines metal sealing rings, high-temperature silicone gaskets, and self-locking buckle structures to achieve physical sealing, elastic sealing, and mechanical locking for triple protection, minimizing leakage risks.
See also: What Makes CSST Gas Lines Different From Traditional Piping
From raw material batch numbers to production equipment parameters, all data is recorded in the MES system, achieving traceable quality; each corrugated pipe is equipped with a unique QR code, allowing scanning to view the complete production record.
Raw Material Screening: Spectrometer analyzes stainless steel composition to ensure nickel and chromium content complies with ASTM A240 standards.
Online Flaw Detection: Ultrasonic Testing (UT) and Eddy Current Testing (ET) run in parallel to monitor internal defects in real time.
Burst Pressure Testing: Simulates 10 times the working pressure (60MPa) for 30 minutes to verify ultimate pressure resistance.
Airtightness Testing: Helium mass spectrometer leakage detection measures leakage rate, with precision reaching 1×10⁻⁸ Pa·m³/s, far exceeding industry standards.
Fatigue Life Testing: Conducts 50,000 cycles of bending tests to verify aging resistance and long-term reliability.
Safety reference: Beginner’s Guide To Safe CSST Gas Line Installation
Made from corrosion-resistant stainless steel.
Features a UV-resistant sheath, making it durable in various environments.
Suitable for indoor/outdoor natural gas or liquid propane applications such as fire pits, gas stoves, water heaters, grills, etc.
Can be used for installations in exposed areas or embedded behind walls in concrete or drywall.
Ideal for underground installations and handling corner bends without extra joints.



Stainless steel resists corrosion from gases and environmental exposure (moisture, salt, chemical fumes).
Operates effectively in high-temperature environments, making it suitable for industrial processes or systems requiring elevated temperatures.
Stronger than rubber or plastic hoses, resistant to collapsing under high pressure.
Stainless steel is non-porous and resists bacterial contamination, making it ideal for sanitary applications.
We provide full-process digital traceability, precision manufacturing, and OEM/ODM customization to create safe and reliable gas delivery systems.
View the CSST Gas Line product and contact us today to discuss your specifications, request samples, and explore tailored production solutions for residential, commercial, and industrial gas line applications.