BÖHLER FOX EV 70 Mo伯乐焊条

BÖHLER FOX EV 70 Mo伯乐焊条

Description
Basic coated Mn-Mo alloyed electrode especially suited for high-strength fine-grained
constructional steels and high-temperature steels, e.g. 15NiCuMoNb5S. Crack resistant, tough
and ageing resistant. Excellent weldability in all positions except vertical-down.
Approvals and Certificates
TÜV-D (1178.), DB (10.014.11-20.014.12), ÜZ (10.014/2), ÖBB, TÜV-A (122), CL (0754)
base Materials
high-strength, fine-grained steels, rail steels up to R0800 (for joint welding)
E295 - E360, C35 - C60, P310GH, 17MnMoV6-4, 15NiCuMoNb5S, S380N - S500N,
P380NH - S460NH, GE300, 22Mo4
ASTM A225 Gr. C; A302 Gr. A-D; A514 und A517 Gr. A, B, C, E, F, H, J, K, M, P
Operating Data
re-drying if necessary: ø mm L mm amps A
300 - 350 °C, min. 2 h  2.5 250 70 - 100
electrode identifikation: 3.2 350 110 - 140
FOX EV 70 Mo 9018-G E 55 3 MnMo B T 4.0 450 140 - 180
5.0 450 180 - 240
Preheating and interpass temperature, as well as post weld heat treatment as required by the
base metal.
Mechanical Properties of All-weld metal
(*) u s
yield strength R e N/mm 2 : 580 (≥ 550) 580 (≥ 550)
tensile strength R m N/mm 2 : 680 (620 - 780) 650 (620 - 760)
elongation A (L 0 = 5d 0 ) %: 22 (≥ 320) 23 (≥ 320)
impact work ISO-V KV J + 20 °C: 150 (≥ 120) 160 (≥ 120)
- 30 °C: 185 (≥ 347) 190 (≥ 347)
(*)  u untreated, as-welded
s stress relieved 650 °C/15 h/furnace down to 300 °C/air
Typical Composition of All-weld metal
C Si Mn Mo
wt-% 0.06 0.4 1.6 0.5