AWS A5.4 E309-16 Welding electrode
TEMO TME309-16, GB/T 983 E309-16
Description:
E309-16 is a stainless steel electrode with a rutile coating, which can be used for both AC and DC, and has good welding process performance. Weld metal has good crack resistance and oxidation resistance.
Diameters: Packaging:
2.5mm, 3.2mm, 4.0mm, 5.0mm 1kg, 2kg, 5kg etc.
Applications:
Mainly used for welding of the same type of stainless steel, stainless steel lining, dissimilar steel (Cr19Ni9 and low carbon steel), as well as high chromium steel, high manganese steel, etc.
Chemical Composition of Deposited Metal (wt.%):
C | Mn | Si | P | S | Ni | Cr | Mo | Cu | |
AWS | ≤0.15 | 0.5-2.5 | ≤1.00 | ≤0.04 | ≤0.03 | 12.0-14.0 | 22.0-25.0 | ≤0.75 | ≤0.75 |
GB/T | ≤0.15 | 0.5-2.5 | ≤1.00 | ≤0.04 | ≤0.03 | 12.0-14.0 | 22.0-25.0 | ≤0.75 | ≤0.75 |
Example value | 0.085 | 1.21 | 0.63 | 0.020 | 0.002 | 12.80 | 24.30 | 0.12 | 0.15 |
Mechanical Properties of Deposited Metal:
Tensile strength /MPa | Elongation /% | |
AWS | ≥550 | ≥30 |
GB/T | ≥550 | ≥25 |
Example value | 590 | 38 |
Recommended welding parameters(AC or DC﹢):
Diameter /mm | φ2.5 | φ3.2 | φ4.0 | φ5.0 | |
Current /A | Flat/horizontal welding | 60-80 | 80-120 | 100-160 | 150-210 |
Vertical/upward welding | 40-70 | 60-100 | 80-140 | -- | |
Notes:
1. The welding electrode must be backed at 300-350℃ for 1 hour before welding.
2. Short arc operation, the swing amplitude should not exceed 2.5 times the diameter of the welding electrode.
