Composition and properties of API2H-42 steel plate

Detailed explanation of API2H-42 steel plate:
With the promotion of strategic policies such as the country's West-East Gas Pipeline Project, there is an increasing demand for pipeline steel plates in China. Conventional pipeline steel plates are difficult to meet their various needs. Therefore, various pipeline steel plates have been developed for different purposes. API2H-42 steel plate is a pipeline steel plate developed based on this background.

Chemical composition of API2H-42 steel plate:
Carbon C: 0.18;
Mn manganese: 0.90 - 1.35;
P phosphorus: 0.030;
S sulfur: 0.01;
Si silicon: 0.05-0.40;
NB niobium: 0.04;
Ti titanium: 0.02;
AI aluminum: 0.02 -0.06;

Mechanical properties of API2H-42 steel plate:
Yield strength: 289MPa;
Tensile strength: 427 - 565MPa.
Elongation: 22%