China Hot New Products Cucrzr Tube - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou factory and suppliers

Hot New Products Cucrzr Tube - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou

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Hot New Products Cucrzr Tube - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou Detail:

1. Chemical Composition of C72700

Model	Ni	Sn	Mn	Pb	Zn	Fe	P	Impurities	Cu
C72700	8.5-9.5	5.5-6.5	0.05-0.3	≤0.03	≤0.15	≤0.05	≤0.05	≤0.5	Remnant

2. Physical Properties of C72700

Density	8.9	(g/cm³)
Melting Point	968-1078	(℃)
Thermal Expansion Coefficient	17.25	(X10^-6/℃) 20-200℃
Elastic Modulus	120	(GPa)
Electrical Resistivity at 20℃		μΩ*cm
Quench	≤19.5
Precipitation Hardening	≤15
Electrical Conductivity(IACS,%)		(% IACS)
Electrical Conductivity(IACS,%)	≥9
Precipitation hardening（3 hours）	≥12
Torsional Modulus	50	(GPa)
Thermal Conductivity at 20℃	53.6	(W/m.K)
Bending Fatigue Strength	450 Number of cycles：10⁸	(MPa)

3. Mechanical Properties/State of C72700
1) Rolled Products

State	Hardness	Tensile Strength	Yield Strength	Elongaion	Bending*		Hardness, Elasticity and Bending Fatigue Properties(MPa)
State	HV	Rm (MPa)	Rp 0.2 (MPa)	A50mm (%)	Longitudinal//	Transverse⊥	Longitudinal//	Transverse⊥
Quenching
TB	90-125	420-500	≥200	≥30	0.2	0.2	302	220
Quenching/Cold Rolling
TD1	140-180	460-560	≥300	≥15	0.2	0.2	216	359
TD2	160-200	540-640	≥400	≥10	0.2	0.2	275	390
TD3	200-240	620-720	≥550	≥3	0.5	0.5	444	523
TD4	220-260	700-820	≥600	≈1	2	1	467	568
TDX	≤320	≥780	≥650	≈1	10	2	472	613
Quenching/Precipitation Heat Treatment
TF	230-270	740-860	≥510	≥10	0.5	0.5	566	634
Quenching/Cold Rolling/Precipitation Heat Treatment
TH1	270-310	850-950	≥650	≥8	0.5	0.5	684	724
TH2	290-320	880-980	≥720	≥8	1	1	730	770
TH3	310-340	950-1050	≥800	≥4	1	1	829	≥840
TH4	320-360	1000-1100	≥900	≈3	2	2	≥830	≥840
THX	≤390	≥1050	≥950	≈1	/	/	≥830	≥840
*:According to DIN 5011(25/10/85),bending 90 ° along the rolling direction, divide the minimum bending radius by the thickness to determine the R /t ratio

2) Drawn products

State	Hardness	Tensile Strength	Yield Strength	Elongaion	Expansion Coefficient
State	HV	Rm (MPa)	Rp 0.2 (MPa)	A50mm (%)	Z%
Quenching
TB	≤150	400-500	≥200	≥30	≥80
Quenching/Cold Rolling
TD1	150-180	500-580	≥300	≥10	≥75
TD2	180-230	550-720	≥500	≥3	≥70
TD3	220-260	700-800	≥600	≥2	≥65
TD4	230-300	780-880	≥700	≥1.5	≥60
TDX	250-320	880-1000	≥800	≥0.1	≥50

State	HV	Rm (MPa)	Rp 0.2 (MPa)	A50mm (%)	Z%
Quenching/Precipitation Heat Treatment
TF	≤260	770-870	≥500	≥20	≥40
Quenching/Cold Rolling/Precipitation Heat Treatment
TH1	260-300	870-970	≥700	≥13	≥30
TH2	290-310	930-1030	≥800	≥8	≥30
TH3	310-330	1000-1100	≥900	≥5	≥30
TH4	330-360	1100-1200	≥1000	≥2	≥30
THX	≥350	1175-1300	≥1100	≥0.5	≥30

4. Standard Tolerance of Rod and Wire of C72700

Type	Diameter		Tolerance of Diameter		Tolerance of Straightness
Type	inch	mm	inch	mm	inch	mm
Wire	0.2-0.39	6.35-9.9	+/-0.002	+/-0.05	length=10ft,deviation＜0.25 inches	length=3048mm,deviation＜6.35mm
Wire	0.4-0.74	10-18.9	+0.005/-0	+0.13/-0	length=10ft,deviation＜0.25 inches	length=3048mm,deviation＜6.35mm
Rod	0.75-1.6	19-40.9	+0.02/+0.08	+0.5/+2.0	length=10ft,deviation＜0.5 inches	length=3048mm,deviation＜12mm
	1.61-2.75	41-70	+0.02/+0.10	+0.02/+0.10
	2.76-3.25	70.1-82	+0.02/+0.145	+0.02/+0.145
	3.26-6.00	83-152.4	+0.02/+0.187	+0.02/+0.187
	＜0.4	＜10	+/-0.002	+/-0.05

5. Application of C72700
Substituting beryllium copper alloy
It is used for glasses, electricians, electromechanical, electronics, connectors, automobiles, household appliances, spectade industry, turning parts

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Our firm since its inception, normally regards item top quality as company life, constantly make improvements to generation technology, improve product excellent and repeatedly strengthen organization total good quality management, in strict accordance with the national standard ISO 9001:2000 for Hot New Products Cucrzr Tube - KINKOU-96 copper alloy(Cu-9Ni-6Sn C72700) – Kinkou , The product will supply to all over the world, such as: Somalia, Netherlands, Singapore, Our company sticks to the principle of "high quality, reasonable price and timely delivery". We sincerely hope to establish good cooperative relationships with our new and old business partners from all parts of the world. We hope to work with you and serve you with our excellent goods and services. Welcome to join us!

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