Welding

Non-detachable joints for welding of pressure vessels in Tamala system a.s. is assessed according to PED directive. Welding procedures are approved by an authorized person of TÜV SÜD.

Welding procedures are qualified by a notified body in accordance with Directive 2014/68/EU of the European Parliament and of the Council, NV No. 219/2016 Coll. and relevant technical standards.

Material grades used

Carbon steel 1,5 mm thick - 110 mm
Austenitic steel thickness 1,5 mm - 50 mm
Nickel and its alloys 3 mm - 8 mm

Types of welding methods according to ISO 4063

111 (MMA) manual arc welding with coated electrode
121 (SAW) Submerged arc welding by wire method (automatic)
131 (MIG)Fusion welding in inert shielding gas
135 (MAG) fusion welding in active shielding gas
136 (MAG) welding with filled electrode in active shielding gas
138 (MAG) welding with metal powder in active gas

141 (TIG) Tungsten electrode welding in neutral shielding gas with filler material
142 (TIG) Tungsten electrode welding in neutral shielding gas without additional material
into Average D 4000 (container) - to be put separately with indentation, it is not a type of welding method
up to l = 15000 (profiles) - give separately with indentation, it is not a type of welding method