1261n ama 1261n
Welding electrode for creep resistant steels
Electrode for welding of creep resistant and high-pressure hydrogen resistant steels used in the construction of pressure vessels, boilers and piping subjected to operating temperatures up to+550°C. Welds are of X-ray quality.
Preheating, inter-pass temperature and post-weld heat treatment in accordance with base metal to be welded.
Weld metal analysis in % (typical values):
Mechanical Properties of all-weld metal:
(single values are typical values)
( N/mm 2 )
( N/mm 2 )(%)
Impact energy (J)
ISO - V
|520 - 650||> 470||>22||160||T|
T: Tempered 1 hour at 620°C, air cooling
|Diameter (mm)||Length (mm)||Amperage (A)|
|2.5||350||65 – 90|
|4.0||450||140 – 180|
|5.0||450||190 – 230|
|DIN Standard||St 37-3 to St 52-3; St 37-2 to St 60-2; St 35.8 to St 45.8; StE 320.7 to StE 415.7; StE 255 to StE 500; 17 Mn 4; 19 Mn 5; 15 Mo 3; TStE 255 to TStE 500.|
|EN Standard||S355J2G3; E295; E355; P255G1TH; L320 to L415NB; L320MB to L415MBM; S255N to S500N; P295GH; P310GH; 16Mo3; 15NiCuMoNb5, 20MnMoNi4-5; 17MnMoV6-4; S255NH to S500NH; S255NL to S500NL.|
|ASTM Standard||A204 Gr.A, B, C; A217 Gr.WC1; A213 Gr.T2; A355 Gr.P1; A182M Gr.F1; A204M Gr.A, B, C; A250 Gr.T1 APl Spec. 5 L : X52, X56, X60|
required at 300°C to 350°C for 2 hours.