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steels for military technology
Quality 1.3974.7

Grade
x2CrNiMoNNb23-17-6-3

Material Specifications
WL 1.3974, WK, F49, S33228, SEW 390

Treatment
warm work hardended

Shape Round
12 mm - 50 mm

Chemical Analysis

C: max. 0,03 %
Cr: 21,5 - 24,5 %
Mn: 4,5 - 6,5 %
Mo: 2,8 - 3,4 %
Ni: 15,5 - 18,0 %
P: max. 0,025 %
S: max. max. 0,01%
Si: max. 1,00 %
N: 0,30 - 0,50 %
Nb: 0,1 - 0,3 %

Application

The material 1.3974 is an austenitic, non-magnetizable Cr-Ni-Mo-N steel. Resistant to seawater intergranular and stress corrosion cracking. High yield strength. Application: shipbuilding, electrical engineering, mechanical engineering, preferred for shipbuilding, resistant to intergranular corrosion, pitting corrosion and stress corrosion cracking.

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