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NiCr22Mo9Nb | 2.4856 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Predecessor Successor Application temperature [°C]
2.4856 (VdTÜV WB 499 : 2021-06) 2.4856 VdTÜV WB 499 : 2021-06 VdTÜV WB 499 : 2021-06 replaced by VdTÜV WB 499 : 2022-06 Replaced Germany NiCr22Mo9Nb NiCr22Mo9Nb -196 - 450 1)
1) Remark: High corrosion resistant Ni base alloy (resistant to intercrystalline corrosion) for pressure vessels according to AD 2000 W2 and W10, for pressure equipment according to 2014/68/EU and for nuclear engineering.

Chemical Composition

Al [%] C [%] Co [%] Cr [%] Fe [%] Mn [%] Mo [%] P [%] S [%] Si [%] Ti [%] Nb+Ta [%]
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%] Elongation A80 [%]
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Physical Properties

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)]
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Welding and Joining

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

Condition Nominal Size [mm] Temperature [°C] Specimen Shape Specimen Direction Notch Impact Energy [J]
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Heat Treatment

Heat Treatment Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
NS3306 China YB/T 5353 1)
H06625 China YB/T 5353 1)
NS3306 China YB/T 5354 1)
H06625 China YB/T 5354 1)
NS3306 China GB/T 15007 1)
H06625 China GB/T 15007 1)
NS3306 China GB/T 30059 1)
H06625 China GB/T 30059 1)
NiCr22Mo9Nb International ISO 9725 2)
NW6625 International ISO 9725 2)
NCF625 Japan JIS G 4901 1)
NCF625 Japan JIS G 4902 2)
NCF625TP Japan JIS G 4903 2)
NCF625TB Japan JIS G 4904 2)
NCF625 South Korea KS D 3531 1)
NCF625 South Korea KS D 3532 1)
N06625 USA UNS 2)
B443 UNS N06625 USA ASTM B443 2)
B444 UNS N06625 USA ASTM B444 2)
B446 UNS N06625 USA ASTM B446 2)
B564 UNS N06625 USA ASTM B564 2)
2.4856 Germany VdTUV WB 499
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: Worldwide Guide to Equivalent Nonferrous Metals and Alloys, ASM International, 2001

Producer/Supplier/Trade names

Tradename Supplier
ATI 625 ATI Flat Rolled Products GmbH, Remscheid 1)
625 ITALFOND S.p.a., Bagnolo Mella (BS) 1)
2.4856 Rosswag GmbH, Pfinztal-Kleinsteinbach 1)
NAS625 Nippon Yakin Kogyo Co., Ltd., Tokyo 1)
INCONEL alloy 625 Special Metals Wiggin Ltd., Hereford 1)
Inconel alloy 625 Special Metals Corporation, Huntington 1)
Inconel 625LCF Special Metals Corporation, Huntington 1)
Nicrofer 6020 hMo VDM Metals GmbH, Werdohl 1)
VDM Alloy 625 VDM Metals GmbH, Werdohl 1)
1) Source: VdTÜV WB 499 Beiblatt : 2021-06

Material Compliance

REACh RoHS
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