| About us |
| Zhejiang guanyu pipe co., LTD. Is China's most reliable stainless steel seamless tube and nickel base alloy seamless tube manufacturers, one of the established in 2006.Located in the economically developed Yangtze river delta, the national scenic tourist city of lishui city, zhejiang province.The company covers an area of more than 35000 square meters, owns more than 25000 square meters of standard factory building, the fixed asset 8000 ten thousand yuan.Fixed staff 120 people, technical personnel more than 30 people.Assistant engineer and senior engineer 10 people, management personnel more than 20 people.The company in accordance with the requirements of TS and GJBQMS established a perfect quality management system and organization.The company passed the ISO 9001:2015 certification, Lloyd's PED certification, Germany TUV ASME certification.Chairman of the board of directors, general manager, finance department, was set up in the company management department, sales department, quality department, technology department, production department such as intelligence. |
| > > More... |
|
| Stainless steel information |
Company by Shanghai baosteel, water hing special steel and other domestic and international famous big steel sheet, using advanced production technology and testing technology, the cold drawing and cold rolling, heat treatment, finishing line.Annual output of low pressure pipe for heat exchanger in high pressure boiler tube, stainless steel tube, petroleum cracking tube, fluid conveying etc. More than 8000 tons, is one of the professional production of stainless steel pipe manufacturer.Products are widely used in aviation, aerospace, shipbuilding, oil, chemical industry, oil refining, chemical fertilizer, food and biological engineering, and other fields, and exported to at home and abroad.
Seamless steel tube company mainly products are: 300 series and 904 l austenitic tubes, level is not higher than UNSS32760 (S25073) of duplex stainless steel tube, UNS N02200 / N02201 pure nickel pipe, nickel Monel400 steel alloy, Incoloy600 series and Inconel800 series nickel base alloy tube, 4 j series expansion alloy tube, GH series high temperature alloy pipe, HC series corrosion resistant alloy, etc.Scope of product specifications: 6 - phi phi 530 mm x 0.5-55 mm, product design standards include national standard, national standard, American standard, Japanese standard, the standard, the standard and German standard. |
|
| Technology of stainless steel |
Company can produce the main materials are:304/304 l(1.4301/1.4307);316/316;316 ti (1.4571);321(1.4541);310 s(1.4845);317 l(1.1138);321 h.(1.4878);304 h.(1.4948);347 h.(1.4550);S31803/S32205(1.4462);904 l, 0 cr18ni9 (304), 00 cr19ni10 (304 l), 1 cr18ni9ti (321), 00 cr17ni14mo2 (316 l), 0 cr17ni12mo2 (316, 0 cr18ni12mo2ti, 0 cr25ni20 (310 s), 00 cr19ni13mo3 (317 l), S31803 etc, main standards GB/T14975-2007, GB /, GB13296 T14976-2007-2007, GB5310-2007, GB9948-2007;DIN17456;DIN17458;DIN17459;ASTM A213/ASTM A312/ASTM A269/ASTM A789/ASTM A790/ASTM A511/ASTM A376;ASME SA213 / ASME SA312 / ASME SA269 / ASME SA789 / ASME SA790 / ASME SA511 / ASME SA376;JIS G3459;JIS G3463;GOST 9940,GOST 9941EN 10216-5 or special production according to the needs of customers
|
|
