EL12
AWS A5.17 EL12
Approved by:
ABS CCS LR GR NK BV DNV
Description：
EL12 is a copper coated mild steel wire for Submerged Arc Welding (SAW) of mild and medium carbon structural steels. Combined with flux HJ430 and HJ431, EL12 is used to weld low carbon steel and some low alloy steel(like 16Mn、Q235) structures.
Diameters:
2.0mm, 2.5mm, 3.2mm, 4.0mm, 5.0mm.
Typical Mechanical Properties:
Tensile strength(MPa): | 462 |
Yield stress(MPa): | 370 |
Elongation(%): | 32 |
Impact values(≥47J/-20℃): | 80 |
Typical Chemical Properties:
C | Mn | P | S | Si | Ni | Cr | Mo | Cu |
0.054 | 0.42 | 0.012 | 0.010 | 0.12 | 0.01 | 0.014 | -- | 0.07 |
Welding Current:
Dia:(mm) | 2.0 | 2.5 | 3.2 | 4.0 | 5.0 |
Current/A | 380-420 | 430-470 | 480-520 | 530-570 | 580-620 |
Voltage/V | 28-32 | 28-32 | 28-32 | 28-32 | 28-32 |
Note:
1. Rusty, water, oil and other impurity should be cleaned before welding.
Flux should be bake 1-2 hours in 200-250℃ before using.
According to the requirements to choose right welding parameter.
