Tubes rectangulaires sans soudure à haute résistance fabriqués à partir d'acier inoxydable et d'alliages. Dimensions de précision, résistance à la corrosion, idéal pour les applications structurelles, mécaniques et architecturales.
As one of the top rectangular seamless tube manufacturers in China, we provide premium-grade seamless tubing solutions designed for structural integrity, corrosion resistance, and high mechanical performance. These tubes are widely used in engineering frameworks, architectural supports, vehicle manufacturing, and heavy-duty machinery.
Our rectangular seamless tubes are produced using hot-rolled or cold-drawn processes to ensure uniform wall thickness, tight tolerances, and smooth surfaces. We offer custom fabrication options including exact size, wall thickness, and surface finish according to your application.
All products comply with international standards such as ASTM, EN, and ISO, and are available in materials like 304/316 stainless steel, duplex 2205, and high-nickel alloys for specialized environments.
Objet | Détails |
Nom du produit | Tube en acier inoxydable, tube en acier inoxydable, tube en acier inoxydable |
Standard | GB, AISI, ASTM, ASME, DIN, EN, JIS |
Niveaux disponibles | Série 200 : 201, 202300 Série : TP304, 304L, 304H, 316, 316L, 316H, 316Ti, 317, 317L, 310S, 310H, 321, 321H, 347, 347HS Alliages spéciaux : 904L, S31254 (254SMO)Série 400 : 409, 410S, 416, 420, 430, 439, 440, 444, 446Duplex et autres : 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 | SGS, TUV, BV, ABS, LR, etc. |
Application | Pétrole et gaz, pétrole, navires, construction navale, traitement de l'eau et protection de l'environnement, 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 rectangular seamless tubes are precision-engineered with flat surfaces and 90° corners, offering consistent strength and clean aesthetics. Available sizes range from small-section tubing to large structural rectangular pipes. Surface finishes include satin brushed, pickled, mirror polished, or mill finish. Tubes can be supplied with plain ends, beveled ends, or custom cuts for direct fabrication use.