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Classifications :AWS/SFA 5.5 :E-8018-B2
BSEN :E-Cr Mo 1 B 42
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Characteristics :A low-hydrogen. iron powder type electrode depositing weld metal which contains 1.2% Cr & 0.5% Mo. The weld metal displays superior high temperature strength even at 500°C - 525°C . The electrode operates in all positions and shows good weld ability.
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Applictions :The electrode is suitable for welding creep resisting steels represented by ASTM A 182-F2. F11 F12. A 387-2, 11 grades and DIN 13 Cr Mo 44, 15 Cr Mo 5 etc. used in boilers, power plants, oil refineries and chemical plants.
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Weld Metal Chemistry(%) (Typical) :
C Mn Si Cr Mo S P 0.06 0.85 0.40 1.20 0.50 0.02 0.02
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All-Weld Mechanical Properties :
UTS YS Elong(%) CVN Impact value(J) (N/mm2) (N/mm2) (L=4d) At-RT 600 520 24 80
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High Temperature strength(Typical) :
Preheating Stress Relleving 0.2% Proof Stress(N/mm2) 190°C 700°C for At 500°C one hour 375N/mm2
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Current Type :DC (+)
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Welding Currents :
Size(mm) 2.5×350 3.15×450 4.00×450 5.0×450 Current(amp) 70-100 100-130 140-180 190-230
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Welding Instructions :
- Rebake the electrodes at 250°C -300°C for one hour before use.
- Hold a short arc and use minimum currents.
- Maintain interpass temperature at 150°C max, during welding.
(Optionally also available in vacuum - packed condition, rebaking not required in this packaging.)