February 24, 2017

13CrMo4-5

Grade :     13CrMo4-5     Number:     1.7335     Classification:     Alloy special steel     Density:     7.85   g/cm ³     Standard:     EN 10028-2: 2009 Flat products made of steels for pressure purposes. Non-alloy and alloy steels with specified elevated temperature properties   […]
February 24, 2017

J55 & K55

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

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

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

20MnCr5

 Grade :     20MnCr5     Number:     1.7147     Classification:     Alloy special steel     Standard:     EN 10084: 2008 Case hardening steels. Technical delivery conditions   Chemical composition %   of grade   20MnCr5 (1.7147):   EN 10084-2008 Elements not quoted in this table shall […]
February 24, 2017

ASTM A672 EFW Pipes & Tubes

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 […]