Warranty period duration 1 year.
Shelf life (service life) 8,5 years.
Mechanical properties:
For samples from the step part.
1 group
Tensile strength 580-615 N/sq. mm
Yield strength not less than 300 N/sq. mm;
Relative elongation not less than 20 %
Impact strength KCU average value 49 J/sq. cm
KCU impact strength max. value 34 J/sq.
cm
2 group
Tensile strength 620-645 N/sq. mm
Yield strength not less than 310 N/sq. mm;
Relative elongation not less than 19 %
Impact strength KCU average value 39 J/sq. cm
KCU impact strength max. value 29 J/sq.
cm
3 group
Tensile strength 650 and more N/sq. mm
Yield strength not less than 325 N/sq. mm;
Relative elongation not less than 18 %
Impact strength KCU average value 34 J/sq. cm
KCU impact strength max. value 29 J/sq.
cm.
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