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.
| Artikel | Einzelheiten |
| Produktname | Stainless Steel Tubes, Stainless Tubes, SS Tubes |
| Standard | GB, AISI, ASTM, ASME, DIN, EN, JIS |
| Verfügbare Qualitäten | 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 |
| Prozess | Warmgewalzt, kaltgewalzt |
| Größen | Dicke: 0,24-3mm, Außendurchmesser: 8-219mm, Länge: 1-6m (je nach Kundenwunsch) |
| Oberflächenbehandlung | NO.1, 2B, NO.4, BA, HL, Spiegel |
| Inspektion | ISO, SGS, TÜV, WTRUST, DNV, LR etc. |
| Anmeldung | construction, architecture, railings, furniture, automotive components, industrial equipment, heat exchangers, and marine applications. etc. |
| Oberfläche | Beschreibung | Typische Dicke (mm) | Verfügbare Breiten (mm) |
| 2B | Glatter, reflektierender grauer Schimmer. Am häufigsten verwendet. | 0.55 | 914, 1219 |
| BA | Glänzend geglühte, spiegelnde Oberfläche. | 0.70 | 914, 1219 |
| DP | Gebürstet, nicht reflektierend, leicht zu reinigen. | 0.90 | 750, 914, 1219 |
| HR | Verzunderte, warmgewalzte Oberfläche. | 1.20 | 750-1500 |
| Nr.1 | Beizende, weiße Oberfläche nach dem Warmwalzen. | 1.50 | 914, 1219, 1500 |
| HL | Kontinuierliche lineare Politur. | 1.60 | 914, 1219, 1500 |
| Nr.4 | Poliert mit 150-180er Körnung. | 2.00 | 914, 1219, 1500 |
| Nr.8 | Hochglänzend, stark reflektierend. | 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.
Wir sind ein zuverlässiger Hersteller und Lieferant von Rohren aus rostfreiem Stahl 202 und bieten kundenspezifische Größen, dauerhafte Oberflächen und eine ausgezeichnete Hochtemperaturbeständigkeit. Ideal für Handläufe, dekorative Strukturen und industrielle Anwendungen.
Hochleistungsrohr aus rostfreiem Superduplexstahl 2507 mit ausgezeichneter Korrosionsbeständigkeit, hoher Festigkeit und geringer Wärmeausdehnung. Ideal für Seewasser und chemische Verarbeitung. OEM-Anpassung durch zertifizierte chinesische Fabrik möglich.
Hochleistungsrohre aus rostfreiem Stahl 321 vom chinesischen Großhandelshersteller. Titan-stabilisierte Legierung, ideal für Hochtemperatur- und korrosionsbeständige Anwendungen. Erhältlich in verschiedenen Formen und kundenspezifischen Spezifikationen.
Stainless steel square tubes are versatile and widely used across industries such as construction, architecture, furniture manufacturing, mechanical engineeringund automotive components. They are ideal for structural supports, railings, decorative designsund load-bearing applications due to their strength und corrosion resistance.
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-brushedund mill finishes. These finishes enhance corrosion resistance and provide the aesthetic quality needed for interior and exterior applications, handrailsund furniture.
Yes, we offer both welded und 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 und Oberflächenveredelungen 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, ASTMund DE. We also offer additional certifications like SGS, TUVund BV to ensure product quality and traceability.
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