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NM 60/75 Cutting Torch - 60" Length, 75° Head 
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Price include Alloy Surcharge !Description
SLH-58 A5.1 E7018-1 H4 – Stick Electrode 5 kg/vacuumed carton
490N/mm Grade 2 High Tensile Steel SMAW Welding
AWS A5.1 E7018-1 H4
JIS Z3211 E4918
EN ISO 2560-AE 46 4 B 3 2 H5
GB T5117 E5018
Features and uses:
- SLH-58 is a 490N/mm grade 2 iron powder ultra-low hydrogen high-tension steel electrode with excellent impact value at low temperatures of -45°C.
- Suitable for large steel frame structures, barrel tanks, power plants and petrochemical industries.
Notes:
- Before welding, the electrode must be dried at 300~350℃ for 60 minutes. When using, take out a small amount and put it into a drying cylinder with a temperature of 100~150℃. The maximum amount of electrodes taken out is the amount of the day.
- To prevent arcing and air holes, please use the backward and forward method.
Position of welding:
An example of chemical composition of weld bead (wt%) :
| C | Mn | And | P | S |
| 0.062 | 1.25 | 0.49 | 0.018 | 0.009 |
An example of the mechanical properties of the weld bead:
| Yield intensity N/mm2 (Kgf/mm2) | tensile strength N/mm2 (Kgf/mm2) | Elongation % | Impact value -45 ℃ J(Kgf-m) |
| 525 (53.6) | 585 (59.7) | 29 | 80 (8.2) |
Recommended welding parameters: AC or DC(+)
| Wire diameter (mm) | 3.2 | 4.0 | 5.0 | |
| Length (mm) | 350 | 400 | 400 | |
| current (Amp) | Flat welding | 90-130 | 130-180 | 180-220 |
| Vertical overhead welding | 80-120 | 110-160 | — | |
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