EN 80Ar/20CO2 (M21) *Stress relieved*
Elongation	Stress Relieved Temperature	Stress Relieved Testing Time	Tensile Strength	Yield Strength
23 %	760 °C	2 hr	620 MPa	536 MPa
AWS Ar/1-5%O2 (M13) *Stress relieved*
Elongation	Stress Relieved Temperature	Stress Relieved Testing Time	Tensile Strength	Yield Strength
22 %	745 °C	2 hr	680 MPa	523 MPa

EN 80Ar/20CO2 (M21) *Stress relieved*
Impact Value	Stress Relieved Testing Temp	Stress Relieved Testing Time	Testing Temperature
91 J	760 °C	2 hr	20 °C
50 J	760 °C	2 hr	-20 °C
AWS Ar/1-5%O2 (M13) *Stress relieved*
Impact Value	Stress Relieved Testing Temp	Stress Relieved Testing Time	Testing Temperature
115 J	745 °C	2 hr	20 °C
50 J	745 °C	2 hr	-20 °C