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.
| Objet | Détails |
| Nom du produit | Stainless Steel Tubes, Stainless Tubes, SS Tubes |
| Standard | GB, AISI, ASTM, ASME, DIN, EN, JIS |
| Niveaux disponibles | 200 Series: 201, 202
300 Series: TP304, 304L, 304H, 316, 316L, 316H, 316Ti, 317, 317L, 310S, 310H, 321, 321H, 347, 347H Special Alloys: 904L, S31254 (254SMO) 400 Series: 409, 410S, 416, 420, 430, 439, 440, 444, 446 Duplex and Others: 2205, 2507, S31803, S32205, S32750, S32760, 253MA |
| Processus | Laminés à chaud, laminés à froid |
| Tailles | Épaisseur : 0,24-3mm, Diamètre extérieur : 8-219mm, Longueur : 1-6m (selon la demande du client) |
| Traitement de surface | NO.1, 2B, NO.4, BA, HL, Miroir |
| L'inspection | ISO, SGS, TÜV, WTRUST, DNV, LR etc. |
| Application | construction, architecture, railings, furniture, automotive components, industrial equipment, heat exchangers, and marine applications. etc. |
| Finition | Description | Épaisseur typique (mm) | Largeurs disponibles (mm) |
| 2B | Lisse, reflet gris. Les plus utilisés. | 0.55 | 914, 1219 |
| BA | Finition miroir recuit brillant. | 0.70 | 914, 1219 |
| DP | Brossé, non réfléchissant, facile à nettoyer. | 0.90 | 750, 914, 1219 |
| RH | Finition écaillée, laminée à chaud. | 1.20 | 750-1500 |
| N°1 | Surface décapée et blanche après le laminage à chaud. | 1.50 | 914, 1219, 1500 |
| HL | Finition polie linéaire continue. | 1.60 | 914, 1219, 1500 |
| N° 4 | Polissage avec un grain de 150-180. | 2.00 | 914, 1219, 1500 |
| No.8 | Finition miroir, très réfléchissante. | 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.
Nous sommes un fabricant et fournisseur de confiance de tubes en acier inoxydable 202, offrant des tailles personnalisées, des finitions durables et une excellente résistance aux températures élevées. Idéal pour les mains courantes, les structures décoratives et les utilisations industrielles.
High-performance 2507 super duplex stainless steel tube with excellent corrosion resistance, high strength, and low thermal expansion. Ideal for seawater and chemical processing. OEM customization available from certified Chinese factory.
Tubes en acier inoxydable 321 de haute performance fabriqués en Chine. Alliage stabilisé au titane, idéal pour les applications à haute température et résistantes à la corrosion. Disponible dans différentes formes et spécifications personnalisées.
Stainless steel square tubes are versatile and widely used across industries such as construction, architecture, furniture manufacturing, mechanical engineeringet automotive components. They are ideal for structural supports, railings, decorative designset load-bearing applications due to their strength et résistance à la corrosion.
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-brushedet mill finishes. These finishes enhance résistance à la corrosion and provide the aesthetic quality needed for interior and exterior applications, handrailset furniture.
Yes, we offer both welded et 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 et finitions de surface 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 Mill Test Certificates (MTC) and are compliant with international standards such as ISO, ASTMet FR. We also offer additional certifications like SGS, TUVet BV to ensure product quality and traceability.
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