1) If matched with relative solder flux, AWS EL8 copper electroplated solder wire

for submerged arc welding can get good metallic mechanical properties of
welding line and is suitable for pressure containers and ship buildings
2) Specifications: dia. 2.0mm, 2.5mm, 3.0mm, 3.2mm, 4.0mm, and 5.0mm
3) Chemical components of solder wire (%):
a) C: ≤0.10
b) Mn: ≤0.10
c) Si: 0.30 - 0.60
d) S: ≤0.03
e) P: ≤0.03
f) Cr: ≤0.20
g) Ni: ≤0.30
h) Cu: ≤0.20

Mechanical properties of deposited metal (HJ430 and HJ431):
1) Tensile strength (σb) (MPa): 415 - 550
2) Yield strength (σ0.2) (MPa): ≥330
3) Elongation (δ5) (%): ≥22
4) Impact V-notch AKV (-29°C J): ≥27

Inner packing:
25kg packed in disk or 50kg by bundle