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18MnMoNbR

GB713 18MnMoNbR Pressure Vessel And Boiler Steel Plate

 

18MnMoNbR is steel for pressure vessels, and it is also used as a low-alloy high-strength steel. It is also used in the industries where the mechanical properties of the steel plate have high requirements for the construction machinery.

In addition, 18MnMoNbR is also used in the production of reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure vessels, liquefied petroleum gas tanks, hydraulic turbine volutes, due to petrochemical, coal conversion , nuclear power, steam turbine block, thermal power and other harsh conditions of use, including large medium corrosion equipment such as: washing tower, the second shift furnace, coke tower, desulfurization tank, transforming gas waste heat boiler, methanator, reactor, regenerator , Hydrogenation reactors, methanation heaters, conversion gas steam generators and other equipment and component construction and manufacturing projects, extensive use of 18MnMoNbR or 18MnMoNbR hydrogen, 18MnMoNbR (H) steel plate

 

Chemical Composition(%)
C Mn Si P S
0.22 1.2-1.6 0.15-0.50 0.02 0.01

 

Mechanical Property
Tensile Strength(MPa) Yield Strength(MPa) % Elongation in 2 in.(50mm) min Impacting Test  Temperature(°C)
570-720 310-400 17 0