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February 24, 2017
February 24, 2017
February 24, 2017
February 24, 2017
J55 and K55 Oil Casing in API 5CT 1. Heat treatment PSL1 requirements: J55 and K55 same way (can be rolled-state delivery); PSL2 requirements: J55, K55 product should be normalized or normalized and tempered overall, if thick, should be normalized or normalized and tempered after thickened. 2. Tensile test J55: […]
February 24, 2017
S235JRH is another common structural steel grade. Like S355JR, it is used in a variety of structural applications, but S235JRH has a lower yield strength. A S235JRH Hollow Section Rectangular/Square Steel Pipe would thus be a hollow, square or rectangular sectioned pipe made out of S235JRH grade steel. Here are […]
February 24, 2017
S355JR is a structural grade steel that is often used in the construction industry. It has excellent strength and weldability characteristics. The term “Hollow Section” refers to a variety of shapes of hollow structural sections, including rectangular and square shapes. Thus, a S355JR Hollow Section Rectangular or Square Steel Pipe […]
February 24, 2017
February 24, 2017
ASTM A672 standard specification for electric fusion welded steel pipe for high pressure service at moderate temperatures. This specification covers electrical-fusion-welded steel pipe for high-pressure service at moderate temperatures. Heat treatment may or may not be required to attain the desired properties or to comply with applicable code requirements. An […]
February 24, 2017
The situation of domestic steel pipe was negative in 2016. Even has the positive currency policy, the funds was still a headache for steel pipe factories. What’s worse, the slowdown economic growth and frequently blocked export environment deteriorated the harsh situation of domestic market. In 2016, the market will be […]