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NiCr21Mo | 2.4858 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Predecessor Application temperature [°C] VDA 231-106 classification
2.4858 (DIN 17744 : 2020-12) 2.4858 DIN 17744 : 2020-12 Supersedes DIN 17744 : 2002-09 Valid Germany NiCr21Mo -10 - 450 3.4 1)
1) Remark: NiCrMo alloy for corrosion-resistant components with good cold and hot formability. Application: chemical industry

Chemical Composition

Al [%] C [%] Co [%] Cr [%] Cu [%] Mn [%] Mo [%] Ni [%] P [%] S [%] Si [%] Ti [%]
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Mechanical Properties

Semi-finished Product Condition Condition Number Strength Abbrevation Nominal Size [mm] Area [mm²] Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Yield Strength (1.0% offset) [MPa] Elongation A100 [%] Elongation A [%] Hardness HB | HBW
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Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Mean Coefficient of Thermal Expansion [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)]
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Welding and Joining

Procedure Welding and Joining - Evaluation Interpass Temperature [°C] Added Materials
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Toughness Data (Impact)

Semi-finished Product Condition Temperature [°C] Specimen Shape Specimen Direction Notch Impact Energy [J] Notch Bar Impact Strength [J/cm²]
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Heat Treatment

Heat Treatment Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
NS1402 China YB/T 5353 1)
H08825 China YB/T 5353 1)
NS1402 China YB/T 5354 1)
H08825 China YB/T 5354 1)
NS1402 China YB/T 5355 1)
H08825 China YB/T 5355 1)
NS1402 China GB/T 15007 1)
H08825 China GB/T 15007 1)
NA 16 Great Britain BS 3072
NA 16 Great Britain BS 3073
NA 16 Great Britain BS 3074
NA 16 Great Britain BS 3076
NiFe30Cr21Mo3 International ISO 9722
NCF 825 Japan JIS G 4901 2)
NCF 825 Japan JIS G 4902 2)
NCF 825TP Japan JIS G 4903 2)
NCF 825TB Japan JIS G 4904 2)
NFC 825 South Korea KS D 3531 2)
NFC 825 South Korea KS D 3532 2)
N08825 USA UNS 2)
SB-163 UNS N08825 USA ASME SB-163 2)
SB-423 UNS N08825 USA ASME SB-423 2)
SB-424 UNS N08825 USA ASME SB-424 2)
SB-425 UNS N08825 USA ASME SB-425 2)
SB-564 UNS N08825 USA ASME SB-564 2)
SB-704 UNS N08825 USA ASME SB-704 2)
SB-705 UNS N08825 USA ASME SB-705 2)
B163 UNS N08825 USA ASTM B163 2)
B366 UNS N08825 USA ASTM B366 2)
B423 UNS N08825 USA ASTM B423 2)
B424 UNS N08825 USA ASTM B424 2)
B425 UNS N08825 USA ASTM B425 2)
B564 UNS N08825 USA ASTM B564 2)
B704 UNS N08825 USA ASTM B704 2)
B705 UNS N08825 USA ASTM B705 2)
B904 UNS N08825 USA ASTM B924 2)
G28 UNS N08825 USA ASTM G28 2)
N08825 USA NACE MR-01-75 2)
Incoloy 825 USA 2)
NiCr21Mo Germany DIN 17750
NiCr21Mo Germany DIN 17751
NiCr21Mo Germany DIN 17752
NiCr21Mo Germany DIN 17753
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008

Producer/Supplier/Trade names

Tradename Supplier
Superimphy 825 Aperam Stainless Europe, Paris 1)
ATI 825 ATI Flat Rolled Products GmbH, Remscheid 1)
NY 825 AUBERT & DUVAL Deutschland GmbH, München 1)
BGH 2.4858 BGH Edelstahl Siegen GmbH 1)
Ferrochronin 825 Deutsche Nickel GmbH, Schwerte 1)
2.4858 Rosswag GmbH, Pfinztal-Kleinsteinbach 1)
Alloy 825 Enpar Sonderwerkstoffe GmbH, Gummersbach 1)
Alloy 825 F.W. Hempel & Co. Gesellschaft für Spezial-Rostfrei-Metalle mbH, Oberhausen 1)
Alloy 825 ZAPP AG, Ratingen 1)
Sanicro 41 SANDVIK Materials TEchnology Deutschland GmbH, Düsseldorf 1)
INCOLOY alloy 825 Special Metals Deutschland Ltd., Düsseldorf 1)
Incoloy 825 Sprint Metal Edelstahlziehereien GmbH, Hemer 1)
VDM Alloy 825 VDM Metals GmbH, Werdohl 1)
Nicrofer 4221 VDM Metals GmbH, Werdohl
BÖHLER L314 voestalpine BÖHLER Edelstahl GmbH & Co.KG, Kapfenberg 1)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Material Compliance

REACh RoHS
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