Stainless steel round pipe 42.4x1.5 mm AISI 201 (600 GRIT) — a universal basic standard of structural metal product of precise round gauge, which is a reference choice for designing and installing classic railing systems, fences, and wall-mounted handrails. Having the most demanded outer diameter of 42.4 mm, this profile provides the most comfortable, reliable, and anatomically correct grip for a human palm. A wall thickness of 1.5 mm guarantees an ideal balance of high structural strength, resistance to mechanical deformations, and economic efficiency of the project. At the same time, the inner through diameter is 39.4 mm, which ensures full compatibility with a huge assortment of standard stainless steel fittings, connectors, and handrail holders. The profile is manufactured using advanced high-precision automatic TIG welding technology. The weld joint is located inside the product (the inner surface remains untreated), and the outside is subjected to multi-stage mirror polishing with ultra-fine abrasives to the highest roughness class of 600 GRIT (chrome, mirror, gloss). This makes the outer weld absolutely imperceptible visually and tactually, guaranteeing flawless architectural aesthetics, a premium shine, and significant financial optimization of the budget compared to analogs made of more expensive steel grades. The pipe is supplied in bars with a length of 6 m.
Material of Manufacture and Standards
This structural profile is manufactured from durable alloyed stainless steel grade AISI 201, which is a direct reference analog of the alloy 12X15G9ND according to GOST and the European standard EN 1.4372. Due to the optimized chemical composition with the addition of manganese and nitrogen, this metal has increased surface hardness, high tensile strength, and rigidity, allowing structures to withstand significant operational loads. The steel provides sufficient corrosion protection in many moderate and low-aggressive environments. Production is strictly regulated by leading international engineering standards ASTM A-554 (USA) and EN 10296-2 (Europe), which guarantees perfect geometric roundness of the product, stable dimensional precision along the entire length of the bar, and maximum reliability of the weld joint at the molecular level. The country of origin for this series of metal products is Vietnam, whose plants are known for strict quality control and a reference level of factory surface polishing.
Scope of Application and Purpose
The combination of an optimal 1.5 mm wall, a standard 42.4 mm circumference, and flawless mirror gloss (600 GRIT) makes this pipe the best choice for a wide range of tasks where durability and an attractive appearance are required at an affordable price. It is mass-used for the installation of railing posts and handrails, stairs, commercial fences in office, residential, and large shopping malls, exhibition halls, and stands. The model is also in demand in the manufacture of designer furniture, commercial equipment, production halls, automotive engineering, mechanical engineering, transport infrastructure, as well as for the manufacture of specialized wall-mounted handrails and holders for people with special needs.
Recommended Environment: interiors of modern office and shopping complexes, exhibition pavilions, residential premises, buildings with low or controlled humidity, moderate (non-aggressive) industrial and urban environments, objects of technology, mechanical engineering, and transport.
Technical and Operational Limitations:
• Structural Purpose: the product belongs to the category of structural metal products (ASTM A-554) and is designed to create frame, support, and decorative structures. Due to the specifics of its purpose and the hollow structure, this pipe is strictly forbidden to be used as a main pipeline in systems under high hydrodynamic, steam, or any internal pressure.
• Environmental Specification: the AISI 201 steel grade has limited corrosion resistance in aggressive zones. It is not intended for operation in environments with constantly high humidity, in open outdoor areas under long-term influence of atmospheric precipitation, as well as in direct contact with chemical alkalis, mineral acids, or chlorine-based compounds.
• Temperature Regime: the profile is designed for moderate thermal loads (resistance to temperature drops is medium). The safe maximum continuous operating temperature is +400°C. Maximum short-term thermal heating is allowed up to +550°C. The minimum operating temperature of exploitation is -40°C.
Technical Recommendations for Mirror Surface Care
Recommended Cleaning Methods:
To preserve the original reference glossy shine of the 600 GRIT surface, mild soapy solutions or specialized chlorine-free disinfectants should be used. Cleaning is performed exclusively with a soft cloth (microfiber) or a foam sponge, which easily remove dust and traces of touch.
Prohibited Care Products:
It is not allowed to use agents containing chlorine, active acids, as well as abrasive powders and stiff metal brushes or scourers. Failure to comply with these rules leads to micro-damage of the passive protective layer of the product, the appearance of scratches, and rapid dulling of the gloss.
The products are delivered in proper commercial condition (new) in a protective polymer film, which completely minimizes the risk of accidental damage, scratches, and scuffs during logistical operations, warehouse storage, and installation.
The Ukirs company carries out direct supplies of stainless steel products and offers to buy stainless steel round pipe 42.4x1.5 mm grade AISI 201 at the most favorable market cost, both wholesale and retail. Sales are released with a minimum order quantity starting from 3 meters. Fast delivery by verified transport services is provided throughout Kyiv and the entire territory of Ukraine.