BÖHLER DMV 83-IG伯乐焊丝

BÖHLER DMV 83-IG伯乐焊丝

Description
GTAW rod specially designed for the base metal 14MoV6-3 (1/2 Cr 1/2 Mo 1/4 V). Approved in
long-term condition up to +560 °C service temperature. Tough, cracking resistant deposit with
good creep rupture strength.
Approvals and Certificates
TÜV-D (1093.), TÜV-A (120), UDT, LTSS, SEPROZ
Same Alloy Filler metals
SMAW stick electrode: FOX DMV 83 Kb
GTAW rod: DMV 83-IG
GMAW solid wire: DMV 83-IG
base Materials
similar alloyed high temperature steels and cast steels
1.7715 14MoV6-3, 1.7733 24CrMoV5-5, 1.7709 21CrMoV5-7, 1.8070 21CrMoV5-11,
1.7706 G17CrMoV5-10,
ASTM A389 Gr. C23 a. C24; A405 Gr. P24; UNS I21610
Operating Data
shielding gas: 100 % Argon ø mm
2.4
rod marking:
front: W MoV Si
back: 1.5407
Preheating and interpass temperatures 200-300 °C. Tempering at 700-720 °C at least 2 hrs
followed by cooling in furnace down to 300 °C and still air.
Mechanical Properties of All-weld metal
(*) a
yield strength R e N/mm 2 : 520 (≥ 470)
tensile strength R m N/mm 2 : 670 (≥ 580)
elongation A (L 0 = 5d 0 ) %: 24 (≥ 320)
impact work ISO-V KV J + 20 °C: 220 (≥ 347)
(*)  a annealed, 700 °C/2 h/furnace down to 300 °C/air – shielding gas Argon
Typical Composition of Welding Rod
C Si Mn Cr Mo V
wt-% 0.08 0.6 0.9 0.45 0.85 0.35