u Utp a 786 Gmaw 01
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Transcript of u Utp a 786 Gmaw 01
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UTP SchweissmaterialZweigniederlassung der Bhler Schweisstechnik Deutschland GmbHwww.utp-welding.com Edition: 04/2013 Rev.: 0
GMAW wire for high corrosion resi-stant NiCrMoW alloys and claddings
UTP A 786Standards :EN ISO 18274 : S Ni 6686
(NiCr21Mo16W4)AWS A5.14 : ER NiCrMo-14
Application fieldUTP A 786 is suitable for joining and surfacing of high corrosion resistant NiCrMo alloys for chemical pro-cesses in highly corrosive reducing and oxidizing environments. UTP A 786 is particularly designed for claddings of desulphurization and waste incineration componentssuch as pipes and finned tubes made of heat resistant steels. Joining of similar or dissimilar base materials:Nickel base alloys 2.4602 NiCr21Mo14W
2.4605 NiCr23Mo16Al2.4606 NiCr21Mo16W2.4610 NiMo16Cr16Ti2.4819 NiMo16Cr15W
Low alloyed steels 16Mo3, ASTM A 312 Gr. T11/T12
Weld metal analysis in %
Mechanical properties of the weld metal
Welding instructionsClean the welding area thoroughly. Preheating of large parts at approx. 80C, interpass temperature max.150C. Use MIG pulse welding process with a low heat input (< 10 kJ/cm).
Welding procedure and availability
(mm) Current type
Shielding gasEN ISO 14175
AvailabilitySpools
Z-ArHeH2Co2-30/2/0,05 EN ISO 5441,0 DC (+) x x1,2 DC (+) x x
Yield strengthRp0,2MPa
> 450
Tensile strengthRmMPa
> 760
ElongationA%
> 30
Impact strengthKv
Joule> 50
Hardness
HBappr. 230
C0,01
Si0,08
Mn< 0,5
Cr22,8
Mo16,0
W3,8
Al0,3
Fe< 1,0
Nibal.