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UTP A 643 unalloyed, fine grained and low alloyed steels
Classifications solid wire
EN ISO 16834-A AWS A5.28
G 69 6 M21 Mn4Ni1,5CrMo ER100S-G [ER100S-1(mod.)]
Characteristics and field of use
Medium alloy solid wire electrode for shielded arc welding of quenched and tempered and
thermomechanically treated fine grained structural steels; for joint welding of wear resistant
steels. For use with CO2 and gas mixture. Outstanding toughness of the weld metal at low
temperatures. For use in crane and vehicle manufacturing.
Base materials
S690QL1 (alform 700 M; aldur 700 QL1; Dillimax 690; N-A-XTRA 70; Weldox 700),
S620QL1 (Dillimax 620; N-A-XTRA 63),
S700MC (alform 700 M; Domex 700 MC; PAS 70)
Typical analysis in %
C Si Mn Cr Mo Ni
0,08 0,6 1,7 0,2 0,5 1,5
Mechanical properties of the weld metal
Heattreatment
Shielding
gas
0,2%-Yield
strength
Tensile
strength
Elongation
(L0=5d0)
Impact values
CVN
MPa MPa % J – 40 °C – 60 °C
U CO2 680 740 18 80 47
U M 21 720 780 16 100 47
Approvals
TÜV (No. 02760), DB (No. 42.132.08), ABS, BV, DNV, GL, LR
Form of delivery and recommended welding parameters
Wire diameter (mm) Current type Shielding gas (EN ISO 14175)
0,8 DC (+) M 21 C 1
1,0 DC (+) M 21 C 1
1,2 DC (+) M 21 C 1
