Stick electrode, size: 4.0 mm Ø, 350 mm long, welding current: 140 - 180 A, PU = 75 pieces / 5.2 kg ~ MTC CrMo 1 (4,0x350) ~ CrMo 1 (Electr.) WN.1.7339 ~ 769MTC0003 ~ Schweiss Shop

CrMo 1 (Electr.) WN.1.7339 · 769MTC0003

Stick electrode WN.1.7339, MT-CrMo 1 Size: 4.0 mm Ø, 350 mm long, welding current: 140 - 180 A, PU = 75 pieces / 5.2 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.

Most important base materials
1.7335, 13 CrMo 4 4, 1.7350, 22 CrMo 4 4, 1.7357, GS-17CrMo55, 1.7354, GS - 22 CrMo 5 4,
1.7337, 16 CrMo 4 4, 1.7225, 42 CrMo 4, 1.7218, 25CrMo4, 1.0407, LSt 45.8, 1.7218, GS -25 CrMo 4, 1.0569, LStE 36

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
= +

Data
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