Top manufacturer and supplier of 309 stainless steel tubes in China. Offering high-quality standard stainless steel tube solutions with superior heat resistance and strength.
309 stainless steel tube is an austenitic stainless steel known for its exceptional resistance to high temperatures and oxidation. With higher levels of chromium and nickel compared to 304, this alloy provides enhanced strength and durability in demanding environments, such as heat treatment equipment, furnaces, kilns, and exhaust systems.
As a trusted supplier of high-quality standard stainless steel tubes, we offer 309 tubes in a wide range of outer diameters, wall thicknesses, and surface finishes. Our production processes follow global standards such as ASTM, EN, and JIS, and we support both seamless and welded options. OEM and ODM customizations are available for industrial applications requiring thermal stability and corrosion resistance.
Artikel | Einzelheiten |
Produktname | Edelstahlrohre, Edelstahlrohre, SS-Rohre |
Standard | GB, AISI, ASTM, ASME, DIN, EN, JIS |
Verfügbare Qualitäten | Serie 200: 201, 202300 Serien: TP304, 304L, 304H, 316, 316L, 316H, 316Ti, 317, 317L, 310S, 310H, 321, 321H, 347, 347HSpeziallegierungen: 904L, S31254 (254SMO)Serie 400: 409, 410S, 416, 420, 430, 439, 440, 444, 446Duplex und andere: 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 | SGS, TUV, BV, ABS, LR usw. |
Anmeldung | Öl und Gas, Erdöl, Schiffe, Schiffsbau, Wasseraufbereitung und Umweltschutz usw. |
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 |
309 stainless steel tubes are available in round, square, and rectangular configurations. Customers can choose from surface finishes including 2B, No.4, BA, and mirror polish depending on the intended use. Both hot rolled and cold drawn processing methods are available, offering tight tolerance control and smooth internal surfaces suitable for mechanical, thermal, and structural use cases.