Material 1.3974

Non-magnetizable steel

1.3974 is an austenitic Cr-NiMo-N steel. The alloy X2CrNiMoNNb23-17-6-3 is resistant to seawater
to seawater intergranular and stress corrosion cracking.
In addition, this non-magnetizable material is characterized by its high yield strength

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1.3974

Standards

HDIN / EN US-Standard AFNOR UNI JIS request
X2CrNiMnMoNNb23-17-6-3 ASTM F49 UNS S33228 request

Material Category: Non-magnetizable steel

Applications

Shipbuilding 
Valves

Heat Treatment

Solution annealing at approx. 1020 - 1120 C° , water

Weldability

1.3974 can be welded well

Product Specifications

SEW 390

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