High-performance 321 stainless steel tubes from China wholesale manufacturer. Titanium-stabilized alloy ideal for high-temperature and corrosion-resistant applications. Available in various shapes and custom specifications.
As a professional stainless steel tube wholesale supplier in China, we offer premium 321 stainless steel tubes that are titanium-stabilized for superior high-temperature performance. These tubes are particularly well-suited for aerospace, thermal processing, chemical piping, and expansion joints. With advanced production capabilities and international certifications, we provide customizable options in shapes, wall thicknesses, and finishes to meet your exact requirements. Our 321 tubes are manufactured to comply with global standards including ASTM, DIN, EN, and JIS.
Item | Detalhes |
Nome do produto | Stainless Steel Pipe, Stainless Pipe, SS Pipe |
Padrão | GB, AISI, ASTM,ASME,DIN, EN, JIS |
Graus disponíveis | Série 200: 201, 202300: TP304, 304L, 304H, 316, 316L, 316H, 316Ti, 317, 317L, 310S, 310H, 321, 321H, 347, 347HSligas especiais: 904L, S31254 (254SMO)Série 400: 409, 410S, 416, 420, 430, 439, 440, 444, 446Duplex e outros: 2205, 2507, S31803, S32205, S32750, S32760, 253MA |
Processo | Laminados a quente, laminados a frio |
Tamanhos | Thickness: 0.24–3mm, Outer diameter: 8–219mm, Length: 1–6m (according to customer’s request) |
Tratamento de superfície | NO.1, 2B, NO.4, BA, HL, Espelho |
Inspeção | SGS, TUV, BV, ABS, LR, etc. |
Aplicação | Petróleo e gás, petróleo, navios, construção naval, tratamento de águas e proteção ambiental, etc. |
Acabamento | Descrição | Espessura típica (mm) | Larguras disponíveis (mm) |
2B | Brilho cinzento liso e refletor. Mais utilizado. | 0.55 | 914, 1219 |
BA | Acabamento espelhado recozido e brilhante. | 0.70 | 914, 1219 |
DP | Escovado, não refletor, fácil de limpar. | 0.90 | 750, 914, 1219 |
RH | Acabamento escalonado e laminado a quente. | 1.20 | 750-1500 |
N.º 1 | Superfície branca e decapada após laminagem a quente. | 1.50 | 914, 1219, 1500 |
HL | Acabamento de polimento linear contínuo. | 1.60 | 914, 1219, 1500 |
N.º 4 | Polido com grão 150-180. | 2.00 | 914, 1219, 1500 |
N.º 8 | Acabamento espelhado, altamente refletor. | 2.50 | 914, 1219, 1500 |
321 stainless steel tubes are available in round, square, and rectangular cross-sections, suitable for both structural and fluid handling applications. We offer seamless and welded types, with surface finishes such as 2B, BA, HL, and mirror polish. The tubes can be cold drawn or hot rolled, supporting custom lengths, diameters, and wall thicknesses as per industrial and engineering specifications.