Exaton 19.12.3.L CRYO (GTAW)

Exaton 19.12.3.L CRYO is a high‑quality filler material for joining austenitic stainless steels in extreme cryogenic conditions down to -269 °C. It is optimized for impact strength, arc stability and resistance to micro‑fissuring.

Key Features

• Designed for cryogenic applications (service temperatures to -269 °C)
• Suitable for ASTM 316/316L, 304/304L and ferritic/martensitic grades up to 19 % Cr
• Low impurity levels for reduced hot cracking and excellent wetting
• Consistent chemistry and mechanical properties batch‑to‑batch
• Available in 5 kg drums for 1.2 mm, 1.6 mm, 2.4 mm and 3.2 mm diameters

Specifications

• Classifications: EN ISO 14343‑A, SFA/AWS A5.9 ER316L, Werkstoffnummer ~1.4430, EN ISO 14343‑B SS316L
• Approvals: CE EN 13479, DNV NV 316L, UKCA EN 13479
• Alloy type: Austenitic with ~2 % ferrite, 19 % Cr, 13 % Ni, 2 % Mo, low C
• Shielding gas: I1 (EN ISO 14175)
• Tensile (As Welded): Yield 460 MPa, Tensile 590 MPa, Elongation 35 %
• Charpy impact (As Welded): -196 °C → 80 J, -269 °C → 50 J

Applications

• Manufacturing of dewars, cryogenic containers, tanks and cryostats
• Transfer systems for LNG, LPG, liquid nitrogen, hydrogen and helium
• Overlay welding and repair of cryogenic equipment