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High Tensile Steel Electrodes - Premier NMC |
Characteristics : A basic coated all position radiographic quality electrode with 1% Cr, 2.5% Ni. 0.7% , Mo. |
Applications : The electrode has very high tensile strength and is suitable for welding of Ni-Cr-Mo steels, steam turbine rotors & earthmoving equipment etc.
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Typical Weldmetal Composition
Element |
Percent |
C |
0.05 |
Si |
0.4 |
Mn |
1.6 |
S |
0.025 |
Ni |
0.8 |
Cr |
0.2 |
Mo |
0.3 |
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Typical Mechanical Properties of all weld Metal
Ultimate Tensile Strength Kg/mm2 |
Yield Strength Kg/mm2 |
Elongation % (L=5d) |
CVN Impact Strength at +200C.Kgm |
72 |
63 |
23 |
16 |
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Classifications :
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Current Range & Packing Data :
Size MM DxL |
Current Range (Amps) AC or DC (+) |
Pieces per Packet |
Pieces per Carton |
6.30x450 |
250-330 |
30 |
120 |
5.00x450 |
200-240 |
45 |
180 |
4.00x450 |
140-190 |
80 |
320 |
3.15x450 |
100-140 |
110 |
440 |
2.50x350 |
60-90 |
160 |
640 |
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Instructions:
- Keep electrodes dry.
- Use good fit-up on joints.
- Do not use excessive current.
- Adopt proper sequence.
- Hold short arc.
- Remove the slag with a stainless steel wire brush.
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