Jiangyin Chengxin Alloy Material Co., Ltd ，: Jiangsu Xiangcheng Supply Chain Management Co. LTD

Home > Products > NiCr Alloy >

Cr25Ni20 Bulk High Temperature Resistance Nickel Chromium Wire in Various Industries

Browse Categories

Jiangyin Chengxin Alloy Material Co., Ltd ，

City: changzhou

Province/State:jiangsu

Country/Region:china

Tel:-0510-86650038

Contact Person:
Mr.Changfeng Ye View Contact Details

Cr25Ni20 Bulk High Temperature Resistance Nickel Chromium Wire in Various Industries

Brand Name	Senphus
Certification	ISO9001
Place of Origin	China
Minimum Order Quantity	5kg
Payment Terms	T/T, D/P
Supply Ability	30 Tons per day
Delivery Time	3 days
Packaging Details	Packed with waterproof paper or weave bag, into pallets or wooden case. Special packaging requirements can also be accommodated.
Model Number	Cr25Ni20
Place of Orig	China
Type	Ni-Cr-Fe alloys
Application	Heating element and resistor
Color	Shiny silver or dark gray
Density	7.15
Resistivity at 20 ℃	0.95±0.05
Melting point（℃）	1400
Thermal conductivity(KJ/m h ℃ )	43.8
Elongation at rupture（% )	>20

Detailed Product Description

Cr25Ni20 Bulk High Temperature Resistance Nickel Chromium Wire in Various Industries

Cr25Ni20 is an austenitic heat-resistant alloy with excellent high-temperature strength and corrosion resistance. It contains approximately 25% chromium and 20% nickel, which contribute to its superior properties. This alloy is known for its good oxidation resistance, high-temperature strength, and creep resistance. It is widely used in various industrial sectors such as chemical, aerospace, and power generation where high temperatures and corrosive conditions are prevalent. Cr25Ni20 is also valued for its large specific resistance and low temperature coefficient, making it suitable for use as an electric heating alloy. Its applications include high-temperature heating elements, industrial furnace wires, and components in the aviation, aerospace, chemical, and power industries. The alloy's composition and properties make it an ideal material for components that require resistance to high temperatures and corrosive environments.

Chemical Composition Wt.%

Cr25Ni20

Min

Max

Bal.

0.02

0.8

0.02

0.015

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.

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

Some key features of Cr25Ni20 include:

‌High Chromium and Nickel Content‌: With approximately 25% chromium and 20% nickel, Cr25Ni20 boasts high levels of these elements, which contribute to its excellent corrosion resistance and high-temperature stability.
‌Excellent Corrosion Resistance‌: Its high chromium content endows Cr25Ni20 with superior resistance to various corrosive environments, making it suitable for use in harsh conditions.
‌High Temperature Stability‌: The alloy maintains its properties and performance at elevated temperatures, making it ideal for applications involving high heat.
‌Good Mechanical Properties‌: Cr25Ni20 possesses good mechanical strength, ductility, and toughness, allowing it to withstand stresses and deformations in demanding applications.
‌Electrical Resistivity‌: Its moderate electrical resistivity makes Cr25Ni20 suitable for use in electrical heating elements and resistors, where controlled heat generation is essential.
‌Versatility‌: Due to its combination of properties, Cr25Ni20 finds widespread use in industries such as aerospace, automotive, electrical, and chemical processing.

Applications:

Electrical Heating Elements‌:

Widely used in heaters, ovens, and furnaces.
Offers high resistance and stable performance at elevated temperatures.

‌Resistors‌:

Suitable for high-temperature resistor applications.
Provides reliable and consistent electrical resistance.

‌Industrial Heating Devices‌:

Employed in industrial heating systems and processes.
Known for its durability and resistance to corrosion.

‌Aerospace and Automotive Industries‌:

Used in components requiring high-temperature stability.
Offers good mechanical properties and corrosion resistance.

Cr25Ni20's versatility and robustness make it a preferred choice in applications where high temperatures and resistance to corrosion are crucial.

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.

Product Tags: Bulk Nickel Chromium Wire Cr25Ni20 Nickel Chromium Wire Cr25Ni20 nickel chromium resistance wire

Related Products

Cr20Ni80 / 80Ni20Cr / NiCr8020 Wire High Electrical Resistivity NiCr Alloy For Electric Heating And Furnace Components

Cr20Ni80/80Ni20Cr/NiCr8020 Corrosion Resistant NiCr Alloy With High Nickel Content For Electric Heating And Furnace Components

Nichrome Resistance Wire Cr20Ni80/80Ni20Cr/NiCr8020 With High Mechanical Properties For Electric Heating Applications

NiCr Alloy Wire Cr25Ni20 Perfect Combination Of Oxidation Resistance Thermal Stability And Moderate Electrical Resistivity

Cr25Ni20 Nickel Chromium Wire With Excellent Oxidation Resistance And Creep Resistance For Industrial

Cr20Ni30 Perfect Combination Of Chromium And Nickel For Superior Heating Performance NiCr Alloy

Email to this supplier


From:	Enter your Email please. Your email is incorrect!
To:	Jiangyin Chengxin Alloy Material Co., Ltd ，
Subject:	Subject is empty!
Message:	Characters Remaining: (80/3000) Please enter 20 to 3000 characters to contact this supplier!