Grade 10Cr9Mo1VNbN
Old Grade
Corresponding Standard GB 5310-2008
Seamless steel tubes and pipes for high pressure boiler
Classification Alloy Steel
10Cr9Mo1VNbN Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N Ti V Nb Zr More
Minimum Value 0.08 0.2 0.3 - - 8 - - 0.85 0.03 - 0.18 0.06 - Alt≤0.02
Maximum Value 0.12 0.5 0.6 0.02 0.01 9.5 0.4 0.2 1.05 0.07 0.01 0.25 0.1 0.01
Approximate Comparison Table Seamless steel tubes and pipes for high pressure boiler
China United States European Standard
GB ISC ASTM/AISI EN
10Cr9Mo1VNbN A31108 SA-213 T91
SA-335 P91
X10CrMoVNb9-1
10Cr9Mo1VNbN Corresponding Standards(Same grade name, different standards)

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