AK-EB3R
Standard：
EN ISO 21952-A:S CrMo2
AWS A5.23 EB3R
GB/T ——
Description: submerged arc welding wire of pearlitic heat- resistant steel with low content of impurity elements and S and P, good low temperature toughness and low sensitivity to temper embrittlement.
Application: he matching flux (such as AKJ150, etc.) is suitable for welding of heat resistant steels such as ASME SA387 Gr.22 Class 2, 12Cr2Mo1R, etc
Typical Chemical Composition(%):
C：0.05-0.15 Si：0.30 Mn: 0.40-1.20 S: ≤0.030 P：≤0.030 Cr: 2.25-3.0 Mo: 0.90-1.10
Typical Mechanical Properties(%):
Tensile strength (MPa) : 620-760
Yield Stress (MPa) : ≥540
Elongation (%) : ≥17J
Impact values (J) : ≥27J/-30℃
PWHT(℃*h) -620*1: 690*6
