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20Cr1Mo1VTiB
Standard GB /T 20410-2006 Steels for turbine bolts at high temperature
Standard NB /T 47008-2017 Carbon and alloy steel forgings for pressure equipment
Standard DL /T 439-2018 The technical guide for high-temperature bolt of fossil-fired power plant


Chemical Composition(%)


Standard Material Designation Chemical Composition (%)
GB /T 20410-2006
Steels for turbine bolts at high temperature
20Cr1Mo1VTiB
 
Min
Max
DL /T 439-2018
The technical guide for high-temperature bolt of fossil-fired power plant
20Cr1Mo1VTiB
 
Min
Max
NB /T 47008-2017
Carbon and alloy steel forgings for pressure equipment
20Cr1Mo1VTiB
 
Min
Max
For Reference Only