Stick electrode WN.1.7339, MT-CrMo 1 Size: 5.0 mm Ø, 450 mm long, welding current: 220 - 250 A, PU = 52 pieces / 5.4 kg

Fig. may deviate

Description

Basic coated stick electrode for welding creep resistant andhydrogen pressure resistantsteels.
Weld metal made of chromium- molybdenum-containingsteelforoperating temperaturesup to+550°C.

DIN 8575: E CrMo 1 B 20+, AWS/ASME SFA-5.5: E 8018 - B 2, B.S. 2493: E 1 CrMo B 26, NF A 81 - 345: E 1 CrMo B 26 2 H, EN 1599: E CrMo 1 B 42.

Directional analysis of the pure weld metal in %

C	Si	Mn	Cr	Mo
0,07	0,3	1	1,1	0,5

Special notes
Preheat temperature +200 to +350°C; interpass temperature max. 350°C;
Heat treatment after welding: at least 1/2 h at 660 - 700°C,
Cooling in still air. After tempering, the weld metal is resistant to intergranular stress corrosion cracking (caustic cracks).

Re-drying
1 h at 300°C

Welding positions according to DIN EN ISO 6947
PA, PB, PC, PD, PE, PF

Current type/polarity
= +

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