C1720 Beryllium copper alloy strips 0.8mm thick 200mm width

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ASTM	Cu	Ni	Co	Be
C17200	Balance	1	1	1.80-2.10
C17000	Balance	1	1	1.60-1.85
C17300	Balance	1	1	1.85-2.10
C17500	Balance	-	2.4-2.7	0.4-0.7
C17510	Balance	1.4-2.2	0.3	0.2-0.6

Cube2--C17200 (CDA 172) Beryllium Copper is the most commonly utilized Copper Beryllium alloy and is notable for its highest strength and hardness compared to commercial copper alloys. C17200 alloy contains appr. 2% of beryllium and achieves its ultimate tensile strength can exceed 200 ksi, while the hardness approaches Rockwell C45. Meanwhile, the electrical conductivity is a minimum of 22% IACS in the fully aged condition.C17200 also exhibits exceptional resistance to stress relaxation at elevated temperatures.

Mechanical property:(before heat treatment)

status	Tensile strength Kg/mm3)	Hardness   (HV)	Conductivity ( IACS%)	Elongation    (%)
H	70-85	210-240	22	2-8
1/2H	60-71	160-210	22	5-25
0	42-55	90-160	22	35-70

Mechanical property:(after heat treatment)

status	Tensile strength Kg/mm3)	Hardness   (HV)	Conductivity ( IACS%)	Elongation    (%)
H	130-151	380-420	22	1-5
1/2H	126-147	370-410	22	2-7
0	112-135	350-339	22	3-11

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