Discover our core industrial inventory, engineered to withstand extreme pressures and maintain severe environmental ratings across municipal, commercial, and energy sectors.
China High Performance Drill Bits: Precision Drilling Solutions
View Technical Specifications →
Advanced Thermal Insulation Pipes: Seamless Thermal Control
View Technical Specifications →
High-Quality Premium Stainless Steel Pipe: Extreme Corrosion Resistance
View Technical Specifications →
API Tubing and Oil Casing Products: Certified High Reliability
View Technical Specifications →
Precision Seamless Steel Pipes: Uncompromised Structural Performance
View Technical Specifications →
High-Quality Tubing, Casing, and Premium Screening Solutions
View Technical Specifications →
API Certified Oil Tubes & Screens: Tough Under Subsurface Pressures
View Technical Specifications →
China Precision-Crafted Butt Welded Pipe Fittings for Seamless Connections
View Technical Specifications →Established in 2003, Shaanxi Kerlimar Engineers Co., Ltd. has developed over two decades of technical capability and project experience within global piping networks. We are a specialized manufacturer and supplier of carbon steel, alloy steel, and stainless steel seamless, straight seam welded, and spiral welded pipes, accompanied by an extensive array of butt-welding and high-pressure pipe fittings.
Guided by our Chairman, Mr. Ming SUN—a dedicated environmentalist and technological innovator—our focus extends beyond piping manufacturing. We actively innovate in clean energy technologies, with over 40 state patents and multiple international patent applications covering advanced vertical-axis wind turbine designs, maglev suspension, and land-floating wind grids. This engineering-first culture ensures that our metal piping lines benefit from advanced structural design methodologies.
Modern stainless steel piping systems are essential for critical water supply projects. Choosing the right steel grade directly impacts long-term operations, maintenance intervals, and lifecycle costs. We supply grades designed for demanding industrial applications.
The standard grade for municipal potable water infrastructure. Formulated with 18% chromium and 8% nickel, it resists oxidation from typical treated water chemistry. It balances cost-effectiveness with excellent structural integrity for commercial and residential lines.
Engineered with 2-3% Molybdenum, Grade 316 is highly resistant to localized chloride corrosion and pitting. The "L" designation (low carbon, <0.03%) prevents chromium carbide precipitation during welding, preserving corrosion resistance at joint seams in harsh industrial applications.
Our stainless steel options have fully controlled austenitic structures. This ensures high ductility, impact resistance at low temperatures, and easy installation. They remain reliable under ground movement or sudden thermal expansions.
Unlike copper, ductile iron, or HDPE, high-grade stainless steel pipes do not leach materials into drinking water. They have high resistance to bio-corrosion and scaling. The internal surfaces maintain a low friction coefficient over decades of service, reducing pumping energy demands.
Stainless steel water pipes can operate for over 70 years with minimal maintenance. This durability reduces long-term costs for municipalities and EPC contractors, making it a reliable choice for modern water transmission systems.
Infrastructure projects worldwide are shifting from polymer-based and carbon-steel piping systems toward stainless steel. This change is driven by regulatory requirements, sustainability initiatives, and overall life-cycle economics.
Public health authorities are tightening restrictions on microplastics and heavy metal leaching in drinking water. Stainless steel provides a safe, chemical-free path for potable water, meeting strict public safety standards.
Projects aiming for LEED, BREEAM, or DGNB certifications specify stainless steel for its 100% recyclability. Its low carbon footprint over its service life supports sustainable development goals.
Municipal water authorities in seismic zones choose austenitic stainless steel for its high tensile strength and elongation capacity. These properties allow the piping to flex without rupturing during ground shifts.
Shaanxi Kerlimar manufactures systems customized for complex engineering layouts, industrial plants, and utility projects.
Large-diameter stainless steel piping for treatment plants, pump stations, and underground distribution lines. High weld integrity ensures minimal leakage and protects water quality across municipal systems.
For high-salinity and corrosive environments, we supply Grade 316L and duplex stainless steel piping systems. These materials resist chloride attack, extending service life in demanding filtration processes.
Engineered piping systems for chemical plants, commercial buildings, and industrial process lines. These systems operate reliably across wide temperature ranges and high working pressures.
Quality and compliance are central to Shaanxi Kerlimar's production processes. We conduct thorough testing to ensure our piping systems perform reliably under high-stress conditions.
Every batch of stainless steel water piping undergoes strict quality control procedures, including:
Our commitment to quality has earned Shaanxi Kerlimar national High-Tech Enterprise status and recognition at international technical forums.
We continue to develop more sustainable manufacturing practices and intelligent piping designs to meet changing industry demands.
Integrating clean energy and wind power into production processes to reduce the carbon footprint of our steel piping products.
Improving inner-wall passivation techniques to prevent scaling and biofilm buildup, optimizing flow efficiency.
Developing high-strength, thin-walled designs that reduce material use while maintaining pressure ratings.
Developing intelligent piping joints that integrate sensors to monitor temperature, pressure, and leakage in real-time.
Review technical answers to common questions about selecting, installing, and maintaining stainless steel piping systems.
Grade 304 contains 18% chromium and 8% nickel, providing suitable corrosion resistance for standard municipal water applications. Grade 316L adds 2-3% molybdenum, which provides greater protection against chlorides. This makes 316L preferable for seaside installations, high-salinity industrial applications, or systems with high chlorination levels.
Our products are manufactured according to ASTM A312 (welded and seamless austenitic pipes), ASME B36.19 (stainless steel pipes), EN 10217-7 (welded steel tubes for pressure purposes), and JIS G3459 (stainless steel pipes). We supply MTR (Mill Test Reports) with every shipment to verify compliance.
Direct contact between different metals can cause galvanic corrosion, especially when electrolytes are present. We recommend using non-conductive isolating gaskets, dielectric unions, or PTFE spacers when connecting stainless steel to copper or carbon steel fittings to prevent corrosion.
We use automated welding processes, including TIG and plasma arc welding. Every pipe undergoes inline eddy current testing and hydrostatic testing in accordance with ASTM and EN standards. This ensures that the weld line maintains the same pressure rating as the base metal.
Lead times depend on the size of the order and standard requirements. Typical production schedules range from 30 to 45 days. We offer customized packaging and ocean shipping logistics to major ports worldwide, ensuring reliable delivery schedules.
Explore our secondary inventory, featuring anti-corrosion pipe variations, high-integrity valves, and rectangular profile framing designed to support municipal installations.
Premium Anti-Corrosion Pipes: Durable Protection Solutions
View Technical Specifications →
China Factory Rectangular & Square Tubes: Seamless Structural Options
View Technical Specifications →
Advanced Thermal Insulation Pipes: Seamless Temperature Control
View Technical Specifications →
China Seamless Thermal Insulation Pipes: High-Quality Factory Run
View Technical Specifications →
Reliable Pipeline Valves: Durable Flow Control Solutions
View Technical Specifications →
High-Quality Rectangular & Square Section structural Tubes
View Technical Specifications →
High-Quality Precision Butt Welded Pipe Fittings for Global Networks
View Technical Specifications →
China Reliable Pipeline Valves: Seamless Fluid Regulation Solutions
View Technical Specifications →
Kerlimar