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NiCr6015 Nickel-Chromium-Iron Alloys The Top-Notch Material for Heating Element Resistor

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Brand Name :	Senphus
Certification :	ISO9001
Price :
Payment Terms :	T/T, D/P
Supply Ability :	30 Tons per day
Delivery Time :	3 days
Model Number :	Cr15Ni60/60Ni16Cr/NiCr6015

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Cr15Ni60/60Ni16Cr/NiCr6015 Nickel-Chromium-Iron Alloys The Top-Notch Material for Heating Element Resistor

Cr15Ni60/60Ni16Cr/NiCr6015 Nickel-Chromium-Iron Alloys The Top-Notch Material for Heating Element Resistor

Cr15Ni60 is a high-temperature resistant electric heating alloy, characterized by its excellent thermal stability and resistance to oxidation. Comprising 15% chromium and 60% nickel, along with a balance of iron and trace amounts of other elements, this alloy exhibits a low thermal expansion coefficient and high electrical resistance. It is valued for its ability to maintain these properties even at elevated temperatures, making it suitable for applications in furnaces and other high-heat environments. The alloy's resistance to oxidation is exceptional, allowing it to perform well in air at temperatures up to 1000°C with minimal degradation. Its linear increase in electrical resistivity with temperature change is another beneficial characteristic for precise temperature control in industrial processes. Cr15Ni60's combination of strength, resistance, and stability positions it as a preferred material in the manufacturing of electric heating elements and other components that require high-temperature endurance.

GB	JIS	ASTM	DIN EN/DIN	GOST
Cr15Ni60	NCHW-2 NCHR-2	60Ni16Cr	NiCr6015	Х15Н60-Н

Main characteristics of Ni-Cr and Ni-Cr-Fe electric heating alloys

Type Performance		Cr30Ni70	Cr15Ni60	Cr20Ni35	Cr20Ni80	Cr20Ni30	Cr25Ni20
Main Chemical composition	Ni	Rest	55.0-61.0	34.0-37.0	Rest	30.0-34.0	19.0-22.0
	Cr	28.0-31.0	15.0-18.0	18.0-21.0	20.0-23.0	18.0-21.0	24.0-26.0
	Fe	≤ 1.0	Rest	Rest	≤ 1.0	Rest	Rest
Max. continuous service temp. of element (℃)		1250	1150	1100	1200	1100	1050
Resistivity at 20 ℃(μΩm)		1.18±0.05	1.12±0.05	1.04±0.05	1.09±0.05	1.06±0.05	0.95±0.05
Density(g/cm3)		8.10	8.20	7.90	8.40	7.90	7.15
Thermal condyctivity (KJ/m·h·℃)		45.2	45.2	43.8	60.3	43.8	43.8
Coefficient of lines expansion (α×10-6/℃)		17.0	17.0	19.0	18.0	19.0	19.0
Melting point (approx.)(℃)		1380	1390	1390	1400	1390	1400
Elonation at rupture(%)		＞20	＞20	＞20	＞20	＞20	＞20
Micrographic structure		Austenite	Austenite	Austenite	Austenite	Austenite	Austenite
Magnetic properties		Non-magnetic	Low-magnetic	Low-magnetic	Non-magnetic	Low-magnetic	Non-magnetic
Note:The various grades of electric resistance alloy material are blended with the amountof rare earth, titanium and other trace elements, to improve the processing performance andextend the period of the uselife.

Chemical Composition Wt.% Cr15Ni60	%	Ni	Fe	C	Si	Mn	P	S	Cr	Al
	Min	55			0.75				15
	Max	61	Rest	0.08	1.6	0.6	0.02	0.015	18	0.5

Mechanical properties	Condition	Tensile Strength (UTS)(Rm)	Elongation(A5)
	D>3, T>0.2	≥600 MPa	≥25%
	0.1<D<0.3, T>0.2	≥600 MPa	≥20%

Some key features of Cr15Ni60 include:

Chemical Composition: Cr15Ni60 is composed primarily of chromium (15%) and nickel (60%), with the remainder being iron and trace amounts of other elements like manganese and silicon
High-Temperature Resistance: The alloy exhibits excellent resistance to high temperatures, with a melting point of around 1390°C and capable of withstanding continuous use up to 1100°C
Oxidation Resistance: Thanks to the chromium content, Cr15Ni60 forms a stable chromium oxide (Cr2O3) layer at high temperatures, which protects the alloy from further oxidation
Mechanical Strength: Cr15Ni60 maintains good mechanical strength at high temperatures, with a tensile strength of approximately 600 MPa at room temperature, and it retains strength even at elevated temperatures
Electrical Resistivity: The alloy has a high electrical resistivity of about 1.11 Ω·mm²/m, which is beneficial for applications requiring high resistance at lower voltages
Thermal Stability: Cr15Ni60 demonstrates good thermal stability, with a low temperature coefficient of resistance, ensuring stable resistance values across a wide temperature range
Corrosion Resistance: The alloy shows good general corrosion resistance, especially in oxidizing environments, due to the formation of a passive oxide layer
Physical Properties: Cr15Ni60 has a density of 8.2 g/cm³ and a thermal expansion coefficient of 13.0×10⁻⁶/°C (20-1000°C), which contributes to its dimensional stability at high temperatures

These characteristics make Cr15Ni60 an ideal material for high-temperature electrical heating elements, industrial furnace components, and other applications where high-temperature stability and resistance are required.

Applications:

Heating Elements: Ideal for use in periodic heat treatment furnaces operating below 900°C.
High-End Electric Heating Devices: Used in high-quality electric heating wires for appliances.
Resistance Boxes: Employed in high-quality resistance boxes for precise electrical measurements.

Overall, Cr15Ni60 is a reliable choice for high-temperature applications requiring stable electrical resistance and excellent corrosion resistance.

Technical data of wires

Dia. (mm)	Cross-sectional area (mm²)	Weight/Meter (g/m)	Resistance/Meter at 20 ℃ (Ω/m)	Dia. (mm)	Cross-sectional area (mm²)	Weight/Meter (g/m)	Resistance/Meter at 20 ℃ (Ω/m)
0.018	0.000255	0.002117	3410-4610	0.25	0.04909	0.4074	20.88-23.54
0.020	0.000314	0.002606	2940-3740	0.28	0.06158	0.5111	16.64-18.76
0.022	0.000380	0.003154	2440-3100	0.30	0.07069	0.5867	14.49-16.35
0.025	0.000491	0.004075	1880-2400	0.32	0.07548	0.6265	12.74-14.36
0.028	0.000616	0.005113	1530-1870	0.33	0.08553	0.7099	12.20-13.40
0.030	0.000707	0.005868	1338-1696	0.38	0.1134	0.9412	9.13-10.09
0.032	0.000804	0.006673	1180-1440	0.40	0.1257	1.0433	8.24-9.108
0.035	0.000962	0.007985	981-1200	0.41	0.132	1.0956	7.68-8.89
0.040	0.001257	0.01043	780.7-954.1	0.45	0.159	1.3197	6.51-7.196
0.045	0.00159	0.0132	594-726	0.50	0.1963	1.6293	5.273-5.829
0.050	0.001963	0.01629	499.6-610.6	0.55	0.2376	1.9721	4.518-4.994
0.055	0.00238	0.01975	407-477	0.60	0.2827	2.3464	3.797-4.197
0.063	0.00312	0.02590	321.41-377.31	0.65	0.3318	2.7539	3.235-3.575
0.070	0.00385	0.03196	260.5-305.9	0.70	0.3848	3.1938	2.789-3.083
0.080	0.005027	0.04172	199.5-234.1	0.75	0.4418	3.6669	2.43-2.686
0.090	0.006362	0.0528	157.6-185.0	0.80	0.5027	4.1724	2.136-2.36
0.100	0.007854	0.0652	127.7-149.9	0.85	0.5674	4.7094	1.891-2.091
0.110	0.009852	0.08177	105.5-123.9	0.90	0.6362	5.2805	1.687-1.865
0.120	0.01227	0.1018	88.67-104.1	0.95	0.7088	5.883	1.46-1.62
0.140	0.01539	0.1277	65.85-75.77	1.00	0.7854	6.5188	1.367-1.511
0.150	0.01767	0.1467	56.75-66.63	1.10	0.9503	7.8875	1.13-1.26
0.160	0.02011	0.01669	50.42-58.00	1.12	0.9852	8.1772	1.05-1.17
0.170	0.022700	0.1884	44.18-51.86	1.18	1.0936	9.0769	0.95-1.05
0.180	0.02545	0.2112	40.26-45.40	1.20	1.313	10.8979	0.79-0.87
0.190	0.02835	0.2353	35.37-41.53	1.30	1.327	11.0141	0.78-0.86
0.200	0.03142	0.2608	32.62-36.78	1.40	1.539	12.7737	0.70-0.77
0.212	0.035300	0.2930	28.41-33.35	1.50	1.767	14.6661	0.60-0.67
0.220	0.03801	0.3155	26.65-30.39	1.60	2.011	16.8924	0.52-0.58

The tolerance or wires diameter

Wires	Dia.(mm)	Tolerance
	0.018-0.025	±0.001
	0.028-0.035	±0.0015
	0.040-0.055	±0.002
	0.070	±0.0025
	0.08-0.10	±0.003
	0.11-0.14	±0.004
	0.16-0.20	±0.005
	0.22-0.25	±0.006
	0.28-0.30	±0.007
	0.32-0.40	±0.01
	0.41-0.50	±0.015
	0.55-0.80	+0.02/-0.03
	0.85-1.00	+0.02/-0.03
	1.10-1.50	±0.03
Note:special specification can be produced as per client's request.

Technical data of ribbon

Thickness × Width(mm)	Resistance/meter(20 ℃) (Ω/m)	Surface area/ohm (20℃) (cm²/Ω)	Weight/meter (g/m)	Surface area/meter (cm²/m)
0.09x2.5	5.27	9.84	1.72	51.8
0.08x0.2	74	0.0756	0.122	5.6
0.08x0.3	49.4	0.154	0.183	7.6
0.08x0.4	37	0.259	0.244	9.6
0.08x0.5	29.6	0.392	0.305	11.6
0.08x0.6	24.7	0.551	0.367	13.6
0.08x0.7	21.2	0.737	0.428	15.6
0.08x0.8	18.5	0.951	0.489	17.6
0.08x0.9	16.5	1.19	0.55	19.6
0.08x1.0	14.8	1.46	0.611	21.6
0.08x1.2	12.3	2.07	0.733	25.6
0.08x1.5	9.87	3.2	0.916	31.6
0.08x1.8	8.23	4.57	1.1	37.6
0.08x2.0	7.4	5.62	1.22	41.6
0.07x0.2	84.6	0.0638	0.107	5.4
0.07x0.3	56.4	0.131	0.16	7.4
0.07x0.4	42.3	0.222	0.214	9.4
0.07x0.5	33.9	0.337	0.267	11.4
0.07x0.6	28.2	0.475	0.321	13.4
0.07x0.7	24.2	0.637	0.374	15.4
0.07x0.8	21.2	0.822	0.428	17.4
0.07x0.9	18.8	1.03	0.481	19.4
0.07x1.0	16.9	1.26	0.535	21.4
0.07x1.2	14.1	1.8	0.641	25.4
0.07x1.5	11.3	2.78	0.802	31.4
0.06x0.2	98.7	0.0527	0.0916	5.2
0.06x0.3	65.8	0.109	0.137	7.2
0.06x0.4	49.4	0.186	0.183	9.2
0.06x0.5	39.5	0.284	0.229	11.2
0.06x0.6	32.9	0.401	0.275	13.2
0.06x0.7	28.2	0.539	0.321	15.2
0.06x0.8	24.7	0.697	0.367	17.5
0.06x0.9	21.9	0.875	0.412	19.2
0.06x1.0	19.7	1.07	0.458	21.2
0.06x1.2	16.5	1.53	0.55	25.2
0.05x0.2	118	0.0422	0.0764	5.00
0.05x0.3	79	0.0886	0.115	7.00
0.05x0.4	59.2	0.152	0.153	9.00
0.05x0.5	47.4	0.232	0.191	11.00
0.05x0.6	39.5	0.329	0.229	13.00
0.05x0.7	33.9	0.443	0.267	15.0
0.05x0.8	29.6	0.574	0.305	17.0
0.05x0.9	16.3	0.722	0.344	19.0
0.05x1.0	23.7	0.886	0.382	21.0
Ribbon is rolled by the wire, the actual cross-sectional area of the ribbon is smaller 8％ than calculated by the rectangular.

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