Zhejiang Ruimai Stainless Steel Tube Co., Ltd

Stainless steel seamless pipes and tubes of 3 mm - 508 mm outside diameter and 0.50 mm - 50 mm wall thickness. which also includes a wide range of sizes in duplex and super-duplex stainless steels grades. Stainless steel seamless pipes are widely used for corrosion resistant, erosion and heat-resistant pipes and tubes at chemical engineering, chemical fertilizer, food machinery, chemical machinery, oil refining, and boiler heat exchange plants.<br />
1) Standard<br />
Seamless stainless steel tubing is available according to below standards, also customer's requirements.<br />
- EN 10216-5 TC1 / TC2, EN 10297-2, PED 97/23/EC, AD 2000    <br />
- ASTM A312/312M, A213/213M, A269, A789, A790, A999, A632...<br />
2) Steel Grades<br />
Austenitic stainless steel grades: 1.4301/1.4307, 1.4401/1.4404, 1.4541/1.4878, 1.4571, 1.4948; 304/304L, 316/316L, 316Ti, 317/317L, 321/321H, 304H, 347/347H, 310/310S<br />
Duplex / super duplex stainless steel grades: 1.4462, 1.4410, 1.4539; S32205, S31803, S32750, S32760, 904 /904L.<br />
3)Delivery condition<br />
Seamless stainless steel tubes mainly are delivered in below conditions:<br />
- Bright annealed,<br />
- Solution annealed and pickled,<br />
- Annealed and Polished<br />
4)Max length up to 25 meters<br />
5) Applications: petroleum, chemical industry, chemical fiber, smelt, medical machinery, paper making, Heat preservation and refrigeration, mechanical equipment, food, electricity, water conservancy, architecture, aerospace, navigation shipbuilding, environmental protection and boiler heat exchanger.<br />
<br />
6)Product group including:<br />
Stainless steel seamless heat exchanger tubes;  <br />
Stainless Hydraulic Tubing;<br />
Stainless steel instrument tubing;  <br />
Stainless steel boiler tubes;  <br />
Fluid line pipes / Flowline pipe;  <br />
High temperature?tubes /Heat resistant tubes,  <br />
Duplex /super duplex steel pipes,  <br />
Seamless Coiled tubes,  <br />
Stainless steel capillary tubes,  <br />
Stainless steel bright annealed tube,  <br />
Stainless steel precision tubes,  <br />
Stainless steel U-bend pipes