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UTP A 641 unalloyed, fine grained and low alloyed steels
Classifications solid wire
EN ISO 21952-A AWS A5.28 Material-No.
G CrMo1Si ER80S-G 1.7339
Characteristics and field of use
Medium alloy solid wire electrode useable both with CO2 and with gas mixture.
Applications include the welding of creep resistant steels in boiler, tank, pipeline and reactor
construction.
Base materials
1.7335 – 13CrMo4-5; ASTM A193 Gr. B7; A335 Gr. P11 und P12;
1.7357 – G17CrMo5-5 – A217 Gr. WC6
Typical analysis in %
C Si Mn Cr Mo
0,09 0,6 1,05 1,1 0,5
Mechanical properties of the weld metal
Heattreatment
Shielding
gas
0,2%-Yield
strength
Tensile
strength
Elongation
(L0=5d0)
Impact values
CVN
MPa MPa % J
A M 21* 450 560 22 80
*) Also weldable with CO2
In this case the mechanical properties will change.
Approvals
TüV (No. 00905), DB (No. 42.132.19)
Form of delivery and recommended welding parameters
Wire diameter (mm) Current type Shielding gas (EN ISO 14175)
0,8 DC (+) M 1 M 2 M 3 C 1
1,0 DC (+) M 1 M 2 M 3 C 1
1,2 DC (+) M 1 M 2 M 3 C 1
