r3 r3 precision steel pipe is a high-precision steel pipe material processed by cold drawing or hot rolling. Because precision steel pipes have no oxide layer on the inner and outer walls, can withstand high pressures without leakage, have high precision, high smoothness, no deformation in cold bending, no cracks in flaring and flattening, etc., they are mainly used to produce products with pneumatic or hydraulic components, such as cylinders or The oil cylinder can be a seamless pipe or a welded pipe.
< r33 National Standard
r3 The national standard B/- for precision steel pipes, the national standard B/- for precision steel pipes, and there may also be precision steel pipes for structural applications using B/-.
The European standard of r3 precision steel pipe is:
r3
Our company's main business:
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Steel pipes, round steel,
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, steel pipe, seamless steel pipe, high-pressure boiler pipe
, alloy pipe
, stainless steel pipe
. The company has strong strength, sufficient resources, abides by contracts and keeps promises, strives for credibility with quality and development with reputation, and wins customers with low prices. It can handle ordering business for steel pipes of various specifications and materials from major steel pipe factories for the majority of users.
Liaocheng Baoxin Steel Pipe Co., Ltd.
is a professional steel trading company integrating trade and distribution. It consists of steel pipe sales department, profile sales department and plate sales department. Tens of thousands of tons of goods are in stock for a long time! The company has established long-term and stable cooperative relationships with dozens of large steel manufacturers, with sufficient supply and complete varieties and specifications.
Steel Pipe Sales Department: Mainly engaged in the production of Baotou Steel, Panzhihua Iron and Steel, Anshan Iron and Steel, Shanghai Baosteel, Tianjin Seamless, Hengyang Valin and other major steel mills,,,,,(),3,3,,,
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Seamless pipes, high-pressure boiler pipes, seamless square and rectangular pipes, alloy pipes, high-temperature and high-pressure boiler pipes, petroleum pipes, etc. of various materials and specifications Cracked pipes, hydraulic support pipes, low alloy pipes, imported high alloy pipes, etc. At the same time, the company will also produce special steel pipes with special specifications and materials for you according to your requirements.
Plate Sales Department: Mainly engaged in steel plates produced by large steel plants such as Jinan Iron and Steel, Laiwu Iron and Steel, Baotou Steel, Tiangang, Shigang, Tangshan Iron and Steel, Anyang Iron and Steel, Rizhan Iron and Steel, Maanshan Iron and Steel, Handan Iron and Steel, Wugang and other large steel plants. , steel plates, steel plates,,, various specifications of steel plates.
Profile Sales Department: Mainly engaged in profile steel, section steel, section steel, square steel, channel steel, angle steel, light and heavy rail, etc. produced by several major steel plants such as Maanshan Iron and Steel, Laiwu Iron and Steel, Rizhao, Jinxi, and Panzhihua Iron and Steel.