Commercial Grade
USA UNS N09945
Other Names
Brand/Supplier
America ->
Classification Special Alloy Steel
Properties Corrosion Resistance
Density 8.2 g/cm3
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo Ti Nb Al More
Minimum Value 0.005 - - - - 19.5 45 1.5 3 0.5 2.5 0.01 Fe:余量
Maximum Value 0.04 0.5 1 0.03 0.03 23 55 3 4 2.5 4.5 0.7
Mechanical Properties
diameter
d
mm
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
d=25 1260 992 29.9 56 Rc
42
128
d=51 1275 1010 29.9 51 40.5 136
d=89 1224 1008 30.6 53.7 40.5 88
d=152 1238 1025 27.1 50.1 40 102
d=305 1238 1011 29 51.2 40.5 139.8

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!