Chemical composition and performance analysis of 08Ni3DR steel plate

The grade representation method of 08Ni3DR steel plate:
08Ni3DR (SA203E), The suffixes "D" and "R" of the grades listed in this standard refer to the initials of the Chinese pinyin of "low" and "capacity" for cryogenic pressure vessels, respectively.

Execution standard of 08Ni3DR steel plate: GB3531

Low temperature resistance limit of 08Ni3DR steel plate: -101℃ impact

Smelting method of 08Ni3DR steel plate:
It is smelted by electric furnace, out-of-furnace refining and vacuum degassing, and should be fine-grain killed steel.

Delivery status of 08Ni3DR steel plate:
08Ni3DR steel plate is delivered in normalized (allowing accelerated cooling) and tempered state, or offline quenched and tempered state, and the tempering temperature is not lower than 620℃.

The use of 08Ni3DR steel plate:
08Ni3DR steel plate is mainly used in the manufacture of ultra-low temperature equipment such as large cryogenic storage tanks and pressure vessels in the chemical industry.