Grade NiCr22Mo9Nb
Germany W-Nr. 2.4856
Corresponding Standard DIN EN 10095-2018
Heat resisting steels and nickel alloys
Classification Special Alloy Steel
Properties Corrosion Resistance Forgability
NiCr22Mo9Nb Chemical Element Composition Content (%)
Component Fe C Si Mn P S Cr Ni Cu Mo Ti Co Al More
Minimum Value - 0.03 - - - - 20 58 - 8 - - - Nb+Ta:3.15~4.15
Maximum Value 5 0.1 0.5 0.5 0.02 0.015 23 - 0.5 10 0.4 1 0.4
NiCr22Mo9Nb Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Flat steel; 3≤t<75 Annealing (+A) 760~1000 ≥380 long. tr.
≥30
≤240
Flat Steel; t<3 Annealing (+A) 820~1050 ≥415 long. tr.
≥30
≤240
Bar; 100<t<250 Annealing (+A) 760~1000 ≥345 ≥25 ≤240
Bar; t≤100 Annealing (+A) 820~1050 ≥415 ≥30 ≤240
Coil bar; t≤25 Annealing (+A) 820~1050 ≥415 ≥30 ≤240
1 Approximate Comparison Table Deformed High-Temperature Alloy
China United States Germany France Sweden
GB ISC Commercial Grade AMS DIN EN/DIN W-Nr. NF EN/NF SKF
GH2984
(GH984)
H29840 Inconel 625 5666
5599
NiCr22Mo9Nb 2.4856 ATG E2
NC22FeDNb
Inconel 625
2 Approximate Comparison Table Corrosion-Resistant Alloy
China Japan South Korea United States Germany United Kingdom
GB ISC JIS KS Commercial Grade UNS DIN EN/DIN W-Nr. BS EN/BS
NS 3306
(NS 336)
(0Cr20Ni65Mo10Nb4)
H 06625
(H 03306)
NCF 625 NCF 625 Inconel 625 N 06625 NiCr22Mo9Nb 2.4856 NA 21
NA 43

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