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NiCr6015 NiCr Alloys Consistent Performance in High-Resistance Applications

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

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Cr15Ni60/60Ni16Cr/NiCr6015 NiCr Alloys Consistent Performance in High-Resistance Applications

Cr15Ni60/60Ni16Cr/NiCr6015 NiCr Alloys Consistent Performance in High-Resistance Applications

Cr15Ni60 is a high-resistance electric heating alloy characterized by its excellent high-temperature strength and oxidation resistance. It primarily consists of 15% chromium and 60% nickel, with the balance being iron and trace amounts of other elements. This composition provides the alloy with a stable resistivity that increases linearly with temperature, making it ideal for applications requiring precise temperature control. Cr15Ni60 exhibits strong resistance to oxidation, even at temperatures up to 1000°C, due to the formation of a protective chromium oxide layer that prevents further oxidation. It is widely used in furnaces, ovens, and other high-temperature equipment where consistent and reliable heating is critical. The alloy's properties, such as low thermal expansion and high resistivity, make it a preferred choice for electric heating elements in various industrial processes.

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:

High Resistance and Temperature Stability: Cr15Ni60 is known for its high electrical resistivity and stable resistance at room temperature and high temperatures, which is crucial for precision temperature control applications.
Excellent High-Temperature Strength: The alloy maintains its strength at high temperatures, with a melting point of around 1420°C and a retention of mechanical properties up to 1200°C.
Good Corrosion Resistance: Thanks to its chromium content, Cr15Ni60 exhibits excellent resistance to oxidation and corrosion, especially in acidic and alkaline environments.
Physical Properties: The alloy has a density of 8.2g/cm³ and a resistivity of approximately 1.10~1.15µΩ·m, which contributes to its efficient heat generation and stability.
Mechanical Strength: Cr15Ni60 demonstrates good mechanical properties, with a tensile strength of around 600MPa and an elongation rate of 20%-30% at room temperature.
Thermal Properties: It has a thermal conductivity of 11.3W/m·K, which helps in concentrating heat during the heating process.
Chemical Composition: Comprising primarily of nickel (58-61%) and chromium (14-16%), with the remainder being iron and trace amounts of other elements like manganese and silicon.
Microstructure and Phase Stability: Cr15Ni60 has a single-phase austenitic structure, which contributes to its stability at high temperatures and resistance to grain growth and phase transformation.

These characteristics make Cr15Ni60 a valuable material in various industrial applications, particularly those requiring high-temperature resistance and stability.

Applications:

Precision, Normal, and Shunt Resistors: The alloy is suitable for the production of precision, normal, and shunt resistors due to its high electrical resistivity and stable resistance at room temperature and high temperature
Heating Elements: Cr15Ni60 is used as a heating element, primarily for periodic heat treatment furnaces with temperatures below 900°C
High-Grade Electric Heating Pipes and Household Heaters: The alloy is utilized in electric heating wires for high-grade electric heating pipes and high-grade household electric heaters
Resistance Tape for High-Quality Resistance Boxes: It is used in resistance tape for high-quality resistance boxes
Industrial Electric Furnaces: Cr15Ni60 is widely used in industrial electric furnaces, metallurgy, machinery, and household appliances to produce heating elements and resistance elements
Aerospace and High-Temperature Components: The alloy is used in the aerospace industry for high-temperature components such as gas turbines and jet engine parts that require resistance to high temperatures and oxidation
Heat Treatment Equipment: Cr15Ni60 is employed in heat treatment equipment for manufacturing high-temperature furnace linings and thermocouple protection tubes, ensuring the accuracy and consistency of heat treatment processes

These applications highlight the versatility and importance of Cr15Ni60 in various industries where high-temperature resistance, stability, and reliability are critical.

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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