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Subject to change without notice 05.10.2011

EN ISO 3580-A: E MoV B 4 2 H5 AWS A5.5: E9018-G AWS A5.5M: E6218-G

BHLER FOX DMV 83 Kb SMAW basic electrode, low-alloyed,

high temperature Description Basic core wire alloyed stick electrode with special suitability for 14MoV6-3 (1/2 Cr 1 Mo) steels. Approved in long-term condition up to +580C service temperature. Crack resistant and ductile deposit, low hydrogen content. Good weldability in all positions except vertical down. Metal recovery approx. 115%. Typical Composition of All-weld Metal

C Si Mn Cr Mo V wt-% 0.065 0.35 1.2 0.4 1 0.5

Mechanical Properties of All-weld Metal a v yield strength Re N/mm2 (MPa): tensile strength Rm N/mm2 (MPa): elongation A (L0=5d0) %: impact work ISO-V KV J +20C:

510 (t470) 660 (t610) 22 (t20) 200 (t110)

410 (t380) 580 (t540) 26 (t24) 150 (t110)

a annealed, 720C/2h/furnace down to 300C/air v quenched/tempered 940C/0.5 h/oil + 730C/0.5 h/furnace down to 300C/air

Operating Data

re-drying if necessary: 300-350C, min. 2 h electrode identification: FOX DMV 83 Kb 9018-G E MoV B

mm 2.5 3.2 4.0

L mm 250 350 350

amps A 70-100

110-140 140-180

Preheating and interpass temperatures 200-300C. Post weld heat treatment at 700-720C for at least 2 hours followed by cooling in furnace down to 300C and still air.

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 u. C24, A405 Gr. P24, UNS J21610

Approvals and Certificates TV-D (1094.), TV-A (119), SEPROZ, CE

Similar Alloy Filler Metals GTAW rod: DMV 83-IG GMAW solid wire: DMV 83-IG