Use & Application
These consumables are used for Mo bearing austenitic stainless steels with 1.5 – 3% Mo. Type 316/316L steels are widely used for their good resistance to pitting, many acids and general corrosion. The controlled ferrite SMAW electrodes and flux cored wires are specifically designed for cryogenic service. Applications include pipework and vessels subject to cryogenic service (-196°C) e.g. LNG. Not suitable for 316/316H in elevated temperature structural applications. No preheat, maximum interpass temperature 250°C (300°C may be acceptable on thicker section material); no PWHT required. For optimum impact properties use heat inputs at the higher end of the allowable ranges.
Alloy type
Controlled ferrite 316L austenitic stainless steels for joining 316L base materials used in cryogenic applications.
Microstructure
Austenite with a controlled level of ferrite, 2-5FN (3-8FN for solid wires).
Materials to be welded

EN W.Nr.: 1.4404 (X2CrNiMo 17-12-2), 1.4401 (x 5CrNiMo 17 12 2), 1.4436 (X 3 CrNiMo 17 13 3), 1.4406 (X 2 CrNiMoN 17 11 2), 1.4429 (X 2 CrNiMoN 17 13 3), 1.4408 (GX5CrNiMo19-11-2), 1.4437 (GX6CrNiMo18-12).
ASTM: 316L, 316, 316LN, CF3M, CF8M.
UNS: S31603, S31600, S31653.

Products of the line 316LCF

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