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UP-100 Mo (S2Mo)

SAW (submerged arc welding) wires for mild and low alloyed steel

Quality UP-100 Mo (S2Mo)
Classification DIN EN ISO 14171-A S2Mo, 24598-A S S Mo
Material No. 1.5425
Classification AWS A5.23 EA2
Approvals TÜV 03275, CE, DB 52.045.07
Characteristics and application Submerged arc welding wire for 0.5%Mo steels, i.e. P1. These steels are commonly used at service temperatures up to 500°C and for some sub-zero structural applications. The 0.5% alloying improves creep performance compared to CMn steels and sees the alloy being used for boiler, pressure vessel and piping construction. The good general mechanical properties also ensures use in general structural engineering applications.
Base materials For similar alloyed high temperature steels and cast steels, ageing resistant and steels resistant to caustic cracking.
S355J0, E335, P285NH, P310GH, S355J0Cu, 16Mo3, P315N - S420N, P315NH - P420NH, fine grain structural steels up to S460N/P460N, large-diameter pipes up to L485MB
ASTM: A182/A336 grade F1, A204 grades A/B/C, A209/A250 grade T1, A217 grade WC1, A335 grade P1, A352 grade LC1
Typical analysis in %
C: 0,09
Si: 0,15
Mn: 1,05
Mo: 0,52
Yield strength in Mpa ≥470
Tensile strength in Mpa ≥550
Elongation in % 4d/5d: ≥20/22
Typical heat treatment Preheat temperature: Dependent on material thickness
Interpass temperature: max. 250°C
PWHT: AW or 650°C
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