







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.
| Item | Butiran |
| Nama Produk | Paip Keluli Tahan Karat, Paip Tahan Karat, Paip SS |
| Standard | GB, AISI, ASTM, ASME, DIN, EN, JIS |
| Gred yang tersedia | Siri 200: 201, 202 Siri 300: TP304, 304L, 304H, 316, 316L, 316H, 316Ti, 317, 317L, 310S, 310H, 321, 321H, 347, 347H Aloi Khas: 904L, S31254 (254SMO) Siri 400: 409, 410S, 416, 420, 430, 439, 440, 444, 446Duplex dan Lain-lain: 2205, 2507, S31803, S32205, S32750, S32760, 253MA |
| Proses | Digulung panas, digulung sejuk |
| Saiz | Ketebalan: 0.24–3 mm, Diameter luaran: 8–219 mm, Panjang: 1–6 m (mengikut permintaan pelanggan) |
| Rawatan Permukaan | NO.1, 2B, NO.4, BA, HL, Cermin |
| Pemeriksaan | SGS, TUV, BV, ABS, LR dan lain-lain. |
| Permohonan | Minyak & Gas, Petroleum, Kapal, Pembinaan Kapal, Rawatan Air dan Perlindungan Alam Sekitar dan lain-lain. |
| Selesai | Keterangan | Ketebalan Tipikal (mm) | Lebar Tersedia (mm) |
| 2B | Kilauan kelabu licin dan reflektif. Yang paling meluas digunakan. | 0.55 | 914, 1219 |
| Ijazah Sarjana Muda | Kemasan cerminan seperti cermin yang di-anneal dan cerah. | 0.70 | 914, 1219 |
| DP | Disikat, tidak mencerminkan, mudah dibersihkan. | 0.90 | 750, 914, 1219 |
| Sumber Manusia | Lapisan berskala, kemasan gelek panas. | 1.20 | 750–1500 |
| Nombor 1 | Permukaan putih berasid selepas penggelekan panas. | 1.50 | 914, 1219, 1500 |
| HL | Kemasan kilat linear berterusan. | 1.60 | 914, 1219, 1500 |
| No.4 | Dipoles dengan grit 150–180. | 2.00 | 914, 1219, 1500 |
| No.8 | Permukaan cermin, sangat reflektif. | 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.




