Mechanical Property

Mechanical Property Requirements of Drawn Temper and Annealed Temper Copper Tube

Temper Designation		Outside Diameter of Major      Distance Between Outside       &nbsp Parallet Surface .In	Wall Thickness Inch.	Vickers Hardness		Average Grain Size, mm	Tensile Strength Ksi
Standard	Former			Scale	Hardness
H55	Light Drawn (Quarter Hard)	all	all	5 Kg	80-100	–	36 – 47
H58	Drawn(Half Hard)	all	all	5 Kg	90-100	–	36 min
H80	Hard Drawn	up to 4	0.020 to 0.250 inch	5 Kg	110 mm	–	45 mm
O60	Soft Anneal	all	0.020 to 0.250 inch	5 Kg	60 max	0.040 min	30 min