Super stainless steel welded pipes are manufactured from high-performance stainless steel with advanced metallurgical composition, delivering superior corrosion resistance, excellent mechanical strength, and long-term durability. The welded construction allows for large-diameter production and precise dimensional control, making these pipes suitable for critical industrial applications where both reliability and cost efficiency are essential.
Compared with conventional austenitic stainless steels such as 304 and 316L, super stainless steel welded pipes provide enhanced resistance to pitting, crevice, and stress corrosion cracking in chloride-rich and aggressive chemical environments. They are widely used in oil and gas, chemical processing, power generation, and marine engineering, where demanding service conditions require both structural integrity and operational longevity.
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We manufacture super stainless steel welded pipes in compliance with international standards, ensuring consistent performance and traceability for diverse applications. Our product range includes standard and high-performance super stainless steel grades to meet various operational demands.
| Material Grade | UNS Designation | Common Name | Manufacturing Standard |
S30400 | UNS S30400 | 304 Stainless Steel | ASTM A312 / ASME SA312 |
S31600 | UNS S31600 | 316 Stainless Steel | ASTM A312 / ASME SA312 |
S31700 | UNS S31700 | 317L Stainless Steel | ASTM A312 / ASME SA312 |
S31803 | UNS S31803 | Duplex 2205 | ASTM A789 / ASTM A790 |
S32750 | UNS S32750 | Super Duplex 2507 | ASTM A789 / ASTM A790 |
All pipes are manufactured following ASTM A312 and ASTM A789 standards for welded and seamless austenitic and duplex stainless steel pipes. For applications in corrosive or sour environments, our pipes comply with NACE MR0175 and ISO 15156, ensuring reliable service under harsh conditions.
Super stainless steel welded pipes offer measurable advantages that reduce operational costs, improve safety, and extend service life in industrial environments.
High Corrosion Resistance
The advanced alloy composition ensures excellent resistance to chloride-induced stress corrosion cracking, pitting, and crevice corrosion. Super stainless steel welded pipes are suitable for seawater systems, chemical processing, and high-chloride environments, providing long-term reliability in demanding applications.
Superior Mechanical Strength
With high yield and tensile strength, these pipes support higher design pressures while allowing for thinner wall construction. This results in reduced material consumption, lower installation weight, and maintenance cost savings.
Cost-Effective Alternative to Nickel Alloys
Super stainless steel welded pipes offer performance comparable to expensive nickel-based alloys, such as Alloy 625 or Alloy C-276, at a fraction of the material cost. They are an economically optimized solution for most industrial and offshore applications.
Thermal Stability & Durability
These pipes maintain structural and mechanical integrity at elevated temperatures and under frequent thermal cycling, ideal for heat exchangers, chemical reactors, and process piping systems.
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Our manufacturing facility leverages advanced production technology to ensure dimensional precision, metallurgical consistency, and reliable corrosion resistance throughout the pipe.
Advanced Production Capabilities
Welding & Finishing: High-frequency or TIG welding with precision rolling and sizing to achieve exact dimensions and surface finish.
Solution Annealing: Controlled heat treatment followed by rapid cooling to optimize microstructure and corrosion resistance.
Dimensional Accuracy: Outer diameter tolerance ±0.5%, wall thickness tolerance ±10% minimum.
Production Capacity: Flexible production lines allow for large-volume orders and reduced lead times.
Comprehensive Quality Control
Chemical Composition Analysis: Ensures correct alloying elements using spectrometry.
Positive Material Identification (PMI): X-ray fluorescence testing to prevent material mix-ups.
Mechanical Testing: Tensile, hardness, and impact tests per ASTM standards.
Non-Destructive Testing: Ultrasonic and hydrostatic testing to detect internal or surface defects.
Dimensional Verification: Automated measurement for OD, wall thickness, length, and straightness.
Corrosion Resistance Testing: Intergranular corrosion and ferrite content testing for optimal performance.
All products are supplied with Mill Test Certificates (MTC 3.1 per EN 10204), full material traceability, and third-party inspection reports upon request. Learn more about our quality control.
Super stainless steel welded pipes are engineered for industries where conventional materials fail due to corrosion, mechanical stress, or combined environmental factors. Our products are widely used in:
Oil & Gas Industry – Pipelines, process piping, and subsea flowlines that require corrosion resistance and high strength.
Offshore & Marine Engineering – Seawater systems, ballast piping, and fire protection lines that demand chloride corrosion resistance.
Chemical Processing Plants – Piping and reactors handling acids, alkalis, and organic chemicals.
Power Generation – Cooling water circuits, flue gas desulfurization, and thermal plant piping.
Desalination Facilities & Water Treatment – Brine circulation and concentrate discharge systems requiring high corrosion resistance.
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SS Tube BECN is a trusted supplier of high-quality super stainless steel welded pipes, providing:
Extensive Experience: Years of expertise in welded pipe production with precise metallurgical control.
Custom Solutions: Standard and custom sizes, cut-to-length services, and special lengths up to 12 meters.
International Compliance: ASTM, ASME, EN, and NACE standards; ISO 9001:2015 certified.
Technical Support: In-house metallurgical and application engineering support for material selection and corrosion analysis.
Global Supply Network: Experience exporting to Asia, Europe, Middle East, and the Americas with complete logistics and documentation.
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Contact our sales team to discuss your project requirements, get detailed product information, and receive competitive pricing for super stainless steel welded pipes. We provide fast quotations, technical datasheets, and application engineering support to ensure optimal material selection for your needs.
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