Submerged Arc Welding Wire EM12K
Application Standard:
GB/T 5293 S49A2UCS-SU21
EN ISO 14171 A S 38 2 CS S2Si
AWS A5.17 EM12K
Description:
EM12K IS DESIGNED FOR SINGLE OR MULTI PASS WELDING ON CARBON AND LOW ALLOY STEELS. IT PROVIDES HIGHER STRENGTH DEPOSITS AND GOOD IMPACT TOUGHNESS. IT IS USED WITH CORRESPONDING FLUX FOR MULTI-LAYER WELDING OF VARIOUS KINDS OF STRUCTURES SUCH AS SHIPBUILDING, OFFSHORE STRUCTURES, MACHINERY, PRESSURE VESSELS, LARGE DIAMETER AND HEAVY WALL STEEL PIPES ETC.
The chemical composition of wires(%)
Item | Chemical Composition of wire | |||||||||
EM12K | C | Mn | Si | P | S | Cr | Ni | Mo | Cu | Other |
0.07 | 1.00 | 0.22 | 0.011 | 0.011 | 0.013 | 0.008 | - | 0.11 | - | |
The mechanical properties of deposited metal
Combination | Mechanical Properties of weld metal | |||
Wire/Flux | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation（%） | Charpy V-Notch(J) (-20℃) |
EM12K/SJ301 | ≥400 | 480~650 | ≥24 | ≥27 |
EM12K/SJ101G | ≥400 | 490~650 | ≥22 | ≥80 |
EM12K/SJ501 | ≥400 | 480~650 | ≥22 | - |
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