Mechanical properties of brass tubes

Grade test - Hardness test

Tensile strength Rm / MPa

Not less than the elongation A /%

Not less than Vickers hardness a / HV Brinell hardness b / HB

H68M2804355 ~ 8550 ~ 80

M23504085 ~ 12080 ~ 115

Y23702595 ~ 12590 ~ 120

Y420-≥115 ≥ 110

H65M2904355 ~ 8550 ~ 80

M23602580 ~ 11575 ~ 110

Y23701890 ~ 12085 ~ 115

Y430-≥110≥105

H63,

H62M3004360~9055~85

M23602575~11070~105

Y23701885~12080~115

Y440—≥115≥110