Compare Plastics, Metals, and More for Construction, Design, and Simulation - Materials Portal

NiCr21Mo | 2.4858 Material Datasheet

Material Test Series Values
Material Standard Values

Unlock Exclusive Materials Data

Gain access to a wealth of materials data by joining our Materials Portal.

Register for Free or Upgrade for Full Access

Material Description

Material Number	Material Name	Material Number (single)	Standard	Scope	Standard Status	Country	Predecessor	Successor	VDA 231-106 classification	Application temperature [°C]
2.4858 (VdTÜV WB 432-1 : 2017-04)	NiCr21Mo	2.4858	VdTÜV WB 432-1 : 2017-04	VdTÜV WB 432-1 : 2017-04 replaced by VdTÜV WB 432-1 : 2021-02	Replaced	Germany	NiCr21Mo	NiCr21Mo	3.4	-10 - 450	1)
1) Remark: High corrosion resistant Ni base alloy for pressure vessels according to AD 2000 data sheet W2, for pressure equipment according to directive 2014/68/EU and for nuclear engineering.

Chemical Composition

Al [%]	C [%]	Cr [%]	Cu [%]	Mn [%]	Mo [%]	Ni [%]	P [%]	S [%]	Si [%]	Ti [%]	Remainder
blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	blur	1)2)
1) Source: blur
2) Remark: blur

Material Compliance

REACh	RoHS
blur	blur

Mechanical Properties

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Direction	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Yield Strength (1.0% offset) [MPa]	Elongation A [%]
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	blur	1)
1) Source: blur

Physical Properties

Temperature [°C]	Melting Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1]	Thermal Conductivity [W/(m*K)]	Specific Electrical Resistance [µΩm]	Mean Specific Heat Capacity [kJ/(kg*K)]
blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	blur	blur	1)
1) Source: blur

Toughness Data (Impact)

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Shape	Specimen Direction	Notch Impact Energy [J]	Notch Bar Impact Strength [J/cm²]
blur	blur	blur	blur	blur	blur	blur	blur	1)
1) Source: blur

Welding and Joining

Procedure	Welding and Joining - Evaluation	Holding Temperature [°C]
blur	blur	blur	1)
blur	blur	blur	1)
blur	blur	blur	1)
1) Source: blur

Heat Treatment

Semi-finished Product	Heat Treatment	Nominal Size [mm]	Temperature [°C]	Holding Time [h]	Medium
blur	blur	blur	blur	blur	blur	1)2)
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)
blur	blur	blur	blur	blur	blur	1)3)
1) Source: blur
2) Remark: blur
3) Remark: blur

Cross Reference

Material Name	Country	Standard
NS 1402	China	YB/T 5353	1)
H08825	China	YB/T 5353	1)
NS 1402	China	YB/T 5354	1)
H08825	China	YB/T 5354	1)
NS 1402	China	YB/T 5355	1)
H08825	China	YB/T 5355	1)
NA 16	Great Britain	BS 3072	1)
NA 16	Great Britain	BS 3073	1)
NCF 825	Japan	JIS G 4902	1)
NFC 825	South Korea	KS D 3532	1)
N08825	USA	UNS	1)
SB-424 UNS N08825	USA	ASME SB-424	1)
B424 UNS N08825	USA	ASTM B424	1)
NiCr21Mo	Germany	VdTUEV WB 432-1	1)
NiCr21Mo	Germany	VdTUV WB 432-1	1)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename	Supplier
Nirosta 4858	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
NAS825	Nippon Yakin Kogyo Co., Ltd., Tokyo
Incoloy Alloy 825	Special Metals Wiggin Ltd., Hereford
VDM Alloy 825	VDM Metals GmbH, Werdohl
Nicrofer 4221	VDM Metals GmbH, Werdohl