China High Quality Cunisn Threadlet - KINKOU158 copper alloy(Cu-Ni-Sn C72900) – Kinkou factory and suppliers

High Quality Cunisn Threadlet - KINKOU158 copper alloy(Cu-Ni-Sn C72900) – Kinkou

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High Quality Cunisn Threadlet - KINKOU158 copper alloy(Cu-Ni-Sn C72900) – Kinkou Detail:

* Achieve a combination of high rigidity and high strength. Can withstand dynamic impact loads. Can meet the most stringent requirements of static structural load and pressure. The thermal stress relaxation resistance is significantly better than beryllium copper alloy.
2. Excellent performance of anti-wear bearing, with the valuable performance of natural self-lubrication without friction pair seizure, it is a necessary material for the landing gear bearing of large aircraft, and is also the preferred friction component of oil well connecting rod and high temperature and high alternating load material.
*Turning performance is equivalent to easy turning brass alloy is very easy to process into complex components.
*Suitable for all kinds of acidic environment or salt water, high temperature corrosion resistance.
* Good welding performance.
*The electrical stability is significantly better than beryllium copper alloy. It does not generate magnetism and is a suitable material for high-temperature connectors and RF connectors.
*Non-toxic and harmless, environment-friendly materials.
1. Chemical Composition of C72900

Model	Ni	Sn	Other Alloy Elements	Impurities	Cu
C72900	14.5-15.5	7.5-8.8	0.2-0.6	≤0.15	Remnant

2. Physical Properties of C72900

Elastic Modulus	Poisson’s Ratio	Electrical Conductivity	Thermal Conductivity	Thermal Expansion Coefficient	Density	Permeability
21×10^6psi	0.33	＜7% IACS	22 Btu/ft/hr/°F	9.1×10^-6 in/in/°F	0.325 lb/in^3	＜1.001
144kN/mm^2	0.33	＜4 MS/m	38 W/M/℃	16.4×10^-6 m/m/℃	9.00 g/cm^3	＜1.001

3. Minimum Mechanical Properties of C72900

State		Diameter		Yield Strength 0.2%		Ultimate Tensile Strength		Elongation	Hardness	Average CVN Impact Toughness
State		inch	mm	ksi	N/mm^2	ksi	N/mm^2	%(4D)	HRC	ft-lbs	J
Rod	TS 95	0.75-3.25	19-82	95	655	106	730	18	93 HRB	30*	40*
	TS 95	3.26-6.00	83-152.4	95	655	105	725	18	93 HRB	30*	40*
	TS 120U	0.75-1.59	19-40.9	110	755	120	825	15	24	15	20
		1.6-3.25	41-82	110	755	120	825	15	24	12	16
		3.26-6.00	83-152.4	110	755	120	825	15	22	11**	14**
	TS 130	0.75-6.00	19-152.4	130	895	140	965	10	24	-	-
	TS 160U	0.25	＜6.35	150	1035	160	1100	5	32
		0.26-0.4	6.35-10	150	1035	160	1100	7	32
		0.41-0.75	10.1-19	150	1035	165	1140	7	36
		0.76-1.6	19.1-41	150	1035	165	1140	5	34
		1.61-3.25	41.1-82	150	1035	160	1100	3	34
		3.26-6.00	83-152.4	148	1020	160	1100	3	32
Wire	TS 160U	＜0.25	＜6.35	150	1035	160	1100	5	32
Wire	TS 160U	0.26-0.4	6.35-10	150	1035	160	1100	7	32
Tube	TS 105	1.50-3.05（External Diameter) ＜0.4（Wall Thickness)	38-77（External Diameter) ＜10（Wall Thickness)	105	725	120	830	15	22
	TS 105	1.50-3.05（External Diameter) ＞0.4（Wall Thickness)	38-77（External Diameter) ＞10（Wall Thickness)	105	725	120	830	16	22	14***	19***
	TS 150	1.30-3.00(External Diameter)	33-76(External Diameter)	150	1035	158	1090	5	36	-	-
*:Any value is no less than 24 ft-lbs(32J)
**:Any value is no less than 10 ft-lbs(13.5J)
***:Any value is no less than 16J;Only samples of CVN(10mm weidth x 10mm thickness)

4. Standard Tolerance of Rod and Wire of C72900

State	Type	Diameter		Tolerance of Diameter		Tolerance of Straightness
State	Type	inch	mm	inch	mm	inch	mm
TS 160U	Rod	0.25-0.39	6.35-9.9	+/-0.002	+/-0.05	length=10ft,deviation＜0.25 inches	length=3048mm,deviation＜6.35mm
TS 160U	Rod	0.4-0.74	10-18.9	+0.005/-0	+0.13/-0	length=10ft,deviation＜0.25 inches	length=3048mm,deviation＜6.35mm
TS 95,TS 120U,TS 130,TS 160U	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	+0.5/+2.5
		2.76-3.25	70.1-82	+0.02/+0.145	+0.5/+3.7
		3.26-6.00	83-152.4	+0.02/+0.187	+0.5/+4.75
TS 160U	Wire	＜0.4	＜10	+/-0.002	+/-0.05

5. Standard Tolerance of Tube of C72900

State	Diameter		Wall Thickness	Tolerance of Diameter		Tolerance of Straightness
	inch	mm	mm	inch	mm	inch	mm
TS 160U	1.50-1.99	38-50	10-20% of External Diameter*	±0.010	±0.25	length=10ft,deviation＜0.5 inches**	length=3048mm,deviation＜12mm
	2.00-3.050	51-76	10-20% of External Diameter*	±0.012	±0.30
TS 150	1.30-1.99	33-52	8-20% of External Diameter*	±0.008	±0.20	length=10ft,deviation＜0.5 inches**	length=3048mm,deviation＜12mm
	2.00-3.00	53-79	6-10% of External Diameter*	±0.010	±0.25
*：For reference only. Please check with the steel plant for the required dimensions
**：Smaller straightness tolerance available

6. Application of C72900
It is mainly used for Sucker rod coupling, MWD equipment, shaft sleeve and gasket in petroleum industry;
Aircraft landing gear shaft sleeve and bearing; Pressure vessel seals; Slide guide;High temperature resistant and corrosion resistant connectors. etc.

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