We manufacture and export stainless steel square tubes made from high-quality stainless steel and alloy grades. Precision-cut, corrosion-resistant, and customizable—ideal for structural, architectural, and industrial use.
As a trusted manufacturer of square seamless tubes in China, we specialize in producing high-strength, corrosion-resistant square tubing for applications across architecture, construction, machinery frames, and structural supports. Our square seamless tubes are crafted from premium stainless steel and alloy materials using cold-drawn or hot-rolled processing to ensure dimensional accuracy and exceptional durability.
We offer full customization for size, wall thickness, and surface finish to meet your engineering or design needs. With an experienced technical team and strict quality control, we deliver consistent product quality backed by international standards such as ISO, SGS, TÜV, WTRUST, Lloyd’s Register, and DNV certifications.
| Artículo | Detalles |
| Nombre del producto | Tubos de acero inoxidable, Tubos inoxidables, Tubos SS |
| Estándar | GB, AISI, ASTM,ASME,DIN, EN, JIS |
| Grados disponibles | Serie 200: 201, 202
Serie 300: TP304, 304L, 304H, 316, 316L, 316H, 316Ti, 317, 317L, 310S, 310H, 321, 321H, 347, 347H Aleaciones especiales: 904L, S31254 (254SMO) Serie 400: 409, 410S, 416, 420, 430, 439, 440, 444, 446 Dúplex y otros: 2205, 2507, S31803, S32205, S32750, S32760, 253MA |
| Proceso | Laminado en caliente, Laminado en frío |
| Tallas | Grosor: 0,24-3mm, Diámetro exterior: 8-219mm, Longitud: 1-6m (según petición del cliente) |
| Tratamiento de superficies | NO.1, 2B, NO.4, BA, HL, Espejo |
| Inspección | ISO, SGS, TÜV, WTRUST, DNV, LR, etc. |
| Aplicación | construcción, arquitectura, barandillas, muebles, componentes de automoción, equipos industriales, intercambiadores de calor, aplicaciones marinas, etc. |
| Acabado | Descripción | Espesor típico (mm) | Anchuras disponibles (mm) |
| 2B | Liso, brillo gris reflectante. El más utilizado. | 0.55 | 914, 1219 |
| BA | Acabado recocido brillante tipo espejo. | 0.70 | 914, 1219 |
| DP | Cepillado, no reflectante, fácil de limpiar. | 0.90 | 750, 914, 1219 |
| RRHH | Acabado laminado en caliente. | 1.20 | 750-1500 |
| No.1 | Superficie decapada y blanca tras el laminado en caliente. | 1.50 | 914, 1219, 1500 |
| HL | Acabado pulido lineal continuo. | 1.60 | 914, 1219, 1500 |
| No.4 | Pulido con grano 150-180. | 2.00 | 914, 1219, 1500 |
| No.8 | Acabado de espejo, muy reflectante. | 2.50 | 914, 1219, 1500 |
Our stainless steel square tubes are primarily available in hollow square form, offering precise outer dimensions and smooth internal surfaces. We provide custom sizes, ranging from small-section square tubes for mechanical parts to large square tubing for load-bearing applications. Surface finishes include polished, pickled, satin-brushed, and mill finishes. Tube ends can be plain, beveled, or machined as per your requirements.
Somos un fabricante y proveedor de confianza de tubos de acero inoxidable 202, que ofrece tamaños a medida, acabados duraderos y una excelente resistencia a las altas temperaturas. Ideal para pasamanos, estructuras decorativas y uso industrial.
Tubo de acero inoxidable superdúplex 2507 de alto rendimiento con excelente resistencia a la corrosión, alta resistencia y baja dilatación térmica. Ideal para agua de mar y procesos químicos. Personalización OEM disponible en fábrica china certificada.
Tubos de acero inoxidable 321 de alto rendimiento del fabricante chino al por mayor. Aleación estabilizada con titanio ideal para aplicaciones de alta temperatura y resistentes a la corrosión. Disponible en varias formas y especificaciones personalizadas.
Stainless steel square tubes are versatile and widely used across industries such as construction, architecture, furniture manufacturing, mechanical engineeringy automotive components. They are ideal for structural supports, railings, decorative designsy load-bearing applications due to their strength y resistencia a la corrosión.
We offer a full range of customized sizes for stainless steel square tubes. From small-section tubes for mechanical parts to larger sections for structural and architectural purposes, we provide flexibility in dimensions and wall thicknesses. The tubes can be supplied in various lengths, typically from 1m to 6m, or customized based on project requirements.
Our stainless steel square tubes are available in a variety of surface finishes, including polished, pickled, satin-brushedy mill finishes. These finishes enhance resistencia a la corrosión and provide the aesthetic quality needed for interior and exterior applications, handrailsy furniture.
Yes, we offer both soldado y seamless stainless steel square tubes, giving you the flexibility to choose the best product for your application. Welded square tubes are suitable for less demanding mechanical applications, while seamless square tubes are ideal for applications requiring higher pressure tolerance and uniformity.
Lead time depends on the order size and customization. For standard sizes, delivery can be made within 7–15 days. We offer flexible MOQ for stocked items.
Absolutely! We provide full customization for both dimensions y surface finishes to meet your specific engineering and design needs. Whether you require custom wall thicknesses, specific lengths, or a particular finish such as mirror polish, we can manufacture square stainless steel tubes tailored to your specifications.
Yes, all our stainless steel square tubes come with Certificados de ensayo en fábrica (MTC) and are compliant with international standards such as ISO, ASTMy EN. We also offer additional certifications like SGS, TUVy BV to ensure product quality and traceability.
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