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Home » Products » Alloy Stainless » 1.3974 X2CrNiMnMoNNb23-17-6-3
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1.3974 X2CrNiMnMoNNb23-17-6-3

Non-magnetic austenitic Cr-Ni-Mo-N-steel.
Resistant in sea water up to approx. 60 °C, also against stress corrosion cracking
Special ship building, offshore industry.
High yield strength.

Chemical composition(mass fraction)(wt.%) of the 1.3974

C

Si

Mn

P

S

Cr

Ni

Mo

Other

≤ 0.030

1.00

4.50-6.50

0.025

0.010

21.0-24.5

15.5-18.0

2.80-3.40

Nb 0.10-0.30
N 0.35-0.50


Mechanical Properties

Yield
Rp0.2(MPa)

Tensile
Rm(MPa)

Impact
KV/Ku (J)

Elongation
A (%)

Reduction in cross section on fracture
Z (%)

As-Heat-Treated Condition

Brinell hardness (HBW)

221 (≥)

617 (≥)

34

11

41

Solution and Aging, Annealing, Ausaging, Q+T,etc

114


Physical Properties

Temperature
(°C)

Modulus of elasticity
(GPa)

Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and

Thermal conductivity
(W/m·°C)

Specific thermal capacity
(J/kg·°C)

Specific electrical resistivity
(Ω mm²/m)

Density
(kg/dm³)

Poisson’s coefficient, ν

23

-

-



0.42

-


761

483

-

22.3

142


-


847

-

33

21.2



314

411




All Wenzhou Taixin Steel's products are packed, stored, transported according to the international regulation. The products are wrapped with anti-rust paper and steel rings to prevent damage. Identification labels are tagged according to standard specification or customer's instructions. Special packing is available as per customer's requirement.Ply wooden box are available for special protection. Other kinds of packing can be offered if request.


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