China Standard: GB/T 150.2-2011 Pressure vessels—Part 2:Materials

This part of GB 150 specifies the allowable steel grades and standards for the steel used for pressure components of pressure vessels, the additional technical requirements of the steel, the use range (temperature and pressure) and allowable stress of the steel.

This section applies to pressure vessels with a design temperature of -253 ℃ ~ 800 ℃ and a design pressure of not more than 35 MPa.