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Grade NiCr21Mo
Germany W-Nr. 2.4858
Corresponding Standard DIN 17744-2020
Wrought Nickel Alloys with Molybdenum and Chromium– Chemical Composition
Classification Nickel and Nickel Alloys
Properties Corrosion Resistance
Density 8.1 g/cm3
NiCr21Mo Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo Ti Co Al More
Minimum Value - - - - - 19.5 38 0.5 2.5 0.6 - - Fe:余量
Maximum Value 0.025 0.5 1 0.02 0.015 23.5 46 3 3.5 1.2 1 0.2
1 Approximate Comparison Table Deformed High-Temperature Alloy
United States Germany France
Commercial Grade DIN EN/DIN W-Nr. NF EN/NF
Incoloy 825 NiCr21Mo 2.4858 NC21FeDU
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 1402
(NS 142)
(0Cr21Ni42Mo3Cu2Ti) 		H 08825
H 01402 		NCF 825 NCF 825 Incoloy 825 N 08825 NiCr21Mo 2.4858 NA 16
3 Approximate Comparison Table Deformed High-Temperature Alloy
United States Germany France
Commercial Grade ASTM W-Nr. NF EN/NF
Incoloy 825 ASTM B423 2.4858 NC21FeDU
NiCr21Mo Corresponding Standards(Same grade name, different standards)
1 DIN 17750-2002
NiCr21Mo 2.4858
2 DIN 17744-2002
NiCr21Mo 2.4858
3 DIN 17752-2002
NiCr21Mo 2.4858
4 DIN 17744-2020
NiCr21Mo 2.4858

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