Established in 1993, Guanfa Valve Manufacture Co., Ltd. is specialized China stainless steel tube manufacturer and distributor of valves, hoses, tubes and pipes. Our oem stainless steel tubing are suitable for acid, alkali, water, steam, seawater, coal gas and natural gas. They are widely used in petroleum, chemical, paper making, fertilizer, brewing and metallurgy. The use of specialized software of Pro/E and CAD has shorted the P&D and trial manufacture cycle, and greatly improved the service life and dependability of products. Our high-quality products have been exported to the North Amercia, UK, USA, Germany, Italy, India, France, Australia, Japan.

10 Stainless Steel Tubes (Backstems) for Tattoo Machine. Tube Length is 3 Inches. Buy with Confidence! These are available a range of four sizes, i.e. 0.50m, 0.85m, 1.15m and 1.55m high. All have a diameter of 76mm (3"). stainless steel tubing is crafted in the highest industry standards and is available for a wide range of standard or custom ornamental and structural applications.
Type: austenitic. Process method: cold drawn and cold rolled. Outside diameter: from 6 to 650mm
Thickness: Schdeule 5S, 10S ,40S , 80S , 160 , XXS. Grades: 321, 304, 304L, 316, 316L, 321, 310S, 317L, 347, 347H, 304H, 321H, 304LN. Standards: ASTM (ASME), A213/A213M (SA213/SA213M), A269/A269M, A312/A312M (SA312/SA312M), A1016/A1016M. pickled and annealed. Medium frequency induction furnace (made in USA): 2 x 30 tons. Electric arc furnace: 1 x 30 tons. Argon-oxygen decarbonization: 2 x 30 tons. piercing lines: 4 lines (diameter: from 50 to 240mm). Cold drawing lines: 18 lines. Cold rolling lines: 6 lines.

Type: austenitic. Process method: welded. O.D.: 13.8 to 1100mm (square tube: 15 x 15mm to 50 x 50mm). Thickness: from 0.6 to 25mm. Grades: 202, 301, 321, 304, 304L, 316, 316L, 321 grade
Standards: ASTM (ASME), A312/A312M, A554, A778. Surface: Pickled and annealed for industrial tubes, polished for decorate tubes(from 180G to 600G). Equipments: Automatic manufacturing line: 18 lines. Annealed line: 1 line. Automatic polishing machine: 3 lines. Straightness and rounding maching: 12 sets. Inspection: 1 set of hydraulic pressure testing, 1 set of eddy current controller. welding tubular metal using CO2, power 1kW to 6kW Industrial sector: general industrial Material: Stainless steel, 0.8-4mm thick A video showing this process is available search for “Profile welding system”. This is part of the reason why we can offer the best quality tubing. Each tube is handled and inspected many times during the drawing process. Each time a tube is handled, it is inspected. During the heat treating process they are handled with white gloves.

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