AK-EA4
Standard：
EN ISO 24598-A:S S(MnMo)
AWS A5.23 F8A/P0-EA4-A4
GB/T ——
Description: EA4 is a low alloy high strength steel submerged arc welding wire. Combined with the corresponding flux, the combined mechanical properties can be obtained.
Application: With flux (such as AKJ101, AKJ105, etc.) for the welding of low-alloy high-strength structural steel such as Q490.
Typical Chemical Composition(%):
C：0.15 Si：0.80 Mn: 1.60 S: ≤0.030 P：≤0.030 Mo: 0.40-0.65
Typical Mechanical Properties(%):
Tensile strength (MPa) : 550-700
Yield Stress (MPa) : ≥470
Elongation (%) : ≥20
Impact values (J) : ≥27J/-30℃
