Grade NiCo20Cr20MoTi
Germany W-Nr. 2.4650
Corresponding Standard DIN 17750-2002
Wrought nickel and nickel alloy sheet,plate and strip Requirements and testing
Classification Special Alloy Steel
Properties Corrosion Resistance
Density 8.4 g/cm3
NiCo20Cr20MoTi Chemical Element Composition Content (%)
Component Fe C Si Mn P S Cr Cu Mo Ti B Co Al More
Minimum Value - 0.04 - - - - 21 - 5.6 1.9 - 19 0.3 Ni:余量;Ti+Al:2.4~2.8
Maximum Value 0.7 0.08 0.4 0.6 0.02 0.015 23.5 0.2 6.1 2.4 0.005 21 0.6
NiCo20Cr20MoTi Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Thin plate and thick plate; 1<t≤50 Solution treatment (F97) ≤250
Thin plate and thick plate; 1<t≤50 Solution treatment + aging hardening (F97)* ≥970 ≥570 ≥30
Approximate Comparison Table Deformed High-Temperature Alloy
China Germany France United Kingdom
GB ISC DIN EN/DIN W-Nr. NF EN/NF BS EN/BS
GH4163
(GH163)
H41630 NiCo20Cr20MoTi 2.4650 ATG W0
NCK20D
HR10
HR 206
N263

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