Exposure Pentagon / trade pipe | Dali Pu oil pipe | steel trade

 JIS, Japanese Industrial Standards, developed and considered by the Japanese Industrial Standards Organization. (JIS, Japanese Industrial Standards) is a Japanese national standard, the most important and authoritative standards. Developed by the Japanese Industrial Standards Committee (JISC). Classification refined into civil construction, general machinery, electronic equipment and electrical machinery, automobile, railways, shipping, steel, non-ferrous metals, chemicals, fibers, mining, pulp and paper, management systems, ceramics, daily necessities, medical safety equipment, aerospace, information technology, a total of 19 others. As of February 7, 2007 steel trade, a total of 10 exposed the Pentagon's current standard JIS / trade steel, 124. Other Japanese JIS transliteration ji su again, is formulated and reviewed by the Japanese Industrial Standards Committee (JISC) is one of Japan's national standard, the most important and authoritative standards. According to the Japanese Industrial Standardization Law, JIS standard objects in addition to drugs, pesticides, chemical fertilizers, silk, food and other agricultural and forestry products have developed specific standards or technical specifications, but also to the various industrial fields. Its contents include: product standards (product shape, size, quality, performance, etc.), the standard method (test, analysis, detection and measurement methods and operating standards, etc.), basic standards (terminology, symbols, units, priority number, etc.). Professional include: construction, mechanical, electrical, metallurgy, transportation, chemical, mining, textiles, paper, medical equipment, ceramics and daily necessities, such as information technology. Since 1990, JIS standard total has remained at around 8200. Where: product standards around 4000, 1600 standard method, based on the standard 2800. As of the end of March 2006 the Bank of alignment / trade pipes, total current JIS standard 9728. A- civil engineering and construction; B- general machinery; C Electrical and Electronics; D- car; E- railway; F- ship; G- steel; H- non-ferrous metals; K- chemistry; L- fiber; M- mine; P - Pulp and paper; Q- management system; R- Furnace; S- necessities; T- medical safety equipment; W- aviation; X- information processing; Z- other. Low pressure boiler tubes: Perform GB3087. For low and medium pressure boiler (working pressure is generally not more than 5.88Mpa, working temperature below 450 ℃) of heating surface tubes. · High-pressure boiler tubes: Execution GB3087, GB5310, DIN17175, ASME SA-106, ASME SA -210M, ASME SA -213M, ASME SA -335M and other relevant standards. For high-pressure boilers (above 9.8Mpa working pressure in general, the working temperature between 450 ℃ ~ 650 ℃) of heating surface tubes, economizer, superheater, reheater, petrochemical industrial pipe. OD mm wall thickness mm48-457X3.91-57 20G, 20MnG, 25MnG, 15MoG, 20MoG / 15CrMoG, 12Cr1MoVG, 13CrMo44,13CrMo4-5GB5310ST35.8 / ST45.8, SA106A / B / C, SA210A / B / C, T2 / P2, T11 / P11, T12 / P12, T22 / P22, T91 / P91 · nuclear power tube: Execution GB5310, ASTM A106, ASTM A335 standards. For conventional steam mains and the main water supply pipe. OD mm wall thickness mm 48-711X3.91-57 P22 / WB36CN1 / A106B / P11, ASTM A335 high pressure gas cylinder pipe: Tianjin Pipe (Group) Co., Ltd. production of high-pressure cylinders to provide quality hot rolled tubes for control bottle manufacturing wall seamless steel tubes. The product has a good quality of internal and external surface, uniform thickness, light quality, productivity and finished product rate, low cost, welcomed by users. Application to facilitate seamless control bottle bottom shut the key technology to enable the manufacture of cylinder tube from using billet steering pull aside by punching thin-walled seamless steel pipe manufacturing, and has become a trend. 457-1200 for rolling or rotating thermal expansion exposure Pentagon / trade pipe | Dali Pu OCTG | Trade provided by Tianjin Pipe Oil Pipe Co. Dali Pu oil Hattori. Oil Pipe Co., Ltd., Tianjin Da Lipu oil Hattori (www.cnoctgs.com) (www.18822258388.com) Tianjin Jinghai County, the other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness , and satisfy customer needs. In Dali Pu oil pipe leading the staff warmly welcome all inquiries negotiations to create Dali Pu oil pipe a better future.