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UTP A 73 G 3 anti-wear
Classifications solid wire
EN 14700 DIN 8555 Material-No.
S Z Fe3 MSG 3-GZ-45-T Special alloy
Characteristics and field of use
UTP A 73 G 3 is, due to the excellent hot wear resistance and toughness, used for highly
stressed hot working tools, which are simultaneously subject to high mechanical, thermal
and abrasive loads, such as e.g. forging dies for hammers and presses, forging dies, Al-die
cast moulds, plastic moulds, hot-shear blades and for filling engravings by using cheaper
base metals.
Machining is possible with tungstene carbide tools.
Hardness of the pure weld deposit:
untreated 42 – 46 HRC
soft-annealed 780 °C approx. 230 HB
hardened 1030 °C/oil approx. 48 HRC
tempered 600 °C approx. 45 HRC
1 layer on non-alloy steel approx. 35 HRC
Typical analysis in %
C Si Mn Cr Mo Ti Fe
0,25 0,5 0,7 5,0 4,0 0,6 balance
Welding instruction
Machine welding area to metallic bright. Cracks in the base material have to be gouged out
completely. Preheating temperature of 400 °C on tools should be maintained. Stress relief/
annealing is recommended at 550 °C.
Approvals
TüV (No. 06741)
Form of delivery and recommended welding parameters
Wire diameter (mm) Current type Shielding gas (EN ISO 14175)
0,8 DC (+) M 12 M 13 M 21 C 1
1,0 DC (+) M 12 M 13 M 21 C 1
1,6 DC (+) M 12 M 13 M 21 C 1
