Precise Resistance Value Cr30ni70 Wire for Special Industrial Heating System Parts

Product Description

Product Description

Grades		Cr10Ni90	Cr20Ni80	Cr30Ni70	Cr15Ni60	Cr20Ni35	Cr20Ni30
Main Chemical Composition (%)	Nickel (Ni)	90	Rest	Rest	55.0-61.0	34.0-37.0	30.0-34.0
	Chromium (Cr)	10	20.0-23.0	28.0-31.0	15.0-18.0	18.0-21.0	18.0-21.0
	Iron (Fe)	--	≤1.0	≤1.0	Rest	Rest	Rest

Grades	Cr10Ni90	Cr20Ni80	Cr30Ni70	Cr15Ni60	Cr20Ni15	Cr20Ni30
Max. Service Temperature (°C)	1300	1200	1250	1150	1100	1100
Melting Point (°C)	1400	1400	1380	1390	1390	1390
Density (g/cm³)	8.7	8.4	8.1	8.2	7.9	7.9
Resistivity at 20℃ (μΩ·m)	--	1.09±0.05	1.18±0.05	1.12±0.05	1.00±0.05	1.00±0.05
Elongation at Rupture (%)	≥20	≥20	≥20	≥20	≥20	≥20
Specific Heat (J/g.℃)	--	0.44	0.461	0.494	0.5	0.5
Thermal Conductivity (KJ/m.h.ºC)	--	60.3	45.2	45.2	43.8	43.8
Coefficient of Lines Expansion (α×10-6/20~1000ºC)	--	18	17	17	19	19
Micrographic Structure	--	Austenite	Austenite	Austenite	Austenite	Austenite
Magnetic Properties	--	Non-magnetic	Non-magnetic	Non-magnetic	Non-magnetic	Non-magnetic

Features
* Maintains mechanical stability at high temperatures between 1100°C - 1200°C, preventing deformation and structural degradation
* Forms a protective chromium oxide layer, preventing oxidation and surface degradation, making it ideal for extreme environments
* Provides high electrical resistance, making it suitable for electrical heating elements and resistance wires
* Ideal for applications where magnetic interference must be minimized, ensuring reliable performance in electronics and
aerospace applications
* Remains ductile and easy to process, even after prolonged high-temperature exposure
* Withstands frequent temperature fluctuations, making it ideal for industrial heating systems and automotive exhaust
applications
* Due to its high durability and minimal permanent elongation, NiCr alloy components retain their structural integrity over
extended use providing longer service life
 
Applications
 * Industrial & domestic heating systems: Used as heating elements in industrial and residential electric furnaces, including electric resistance wires and heating coils
* Aerospace components: Applied in aircraft engine parts and aerospace structural components requiring high-temperature durability
* Chemical & petrochemical processing: Resistant to corrosive environments, making it ideal for reactor vessels, pipelines, and processing equipment
* Electronics & electrical engineering: Commonly used in resistors, sensors, and other precision electronic components
* Automotive industry: Essential for turbochargers, exhaust systems, and other high-temperature components
* Medical equipment: Utilized in dental prosthetics (e.g., porcelain-fused-to-metal crowns) and orthopedic implants due to its biocompatibility and durability
* Nuclear engineering: Critical for nuclear power plant components exposed to extreme radiation and high temperatures

Company Profile

Certifications

Victory has received ISO 9001 International Quality Management System Certification and SGS Certification. Our FeCrAl alloys,NiCr alloys, Inconel alloys, and other alloys meet international standards (e.g., ASTM, DIN, GB) and have passed authoritative certifications, including ISO 9001, TUV, CE, and RoHS. This ensures the high-quality standards and allows us to meet your specific requirements for customized processing, whether through sample processing, design, or manufacturing according to your detailed needs.
We invest substantial funds in research and development, continuously improving material formulations and production processes to enhance product quality and performance. All of our products are traceable from the source, and we implement comprehensive quality control at every stage, including raw materials, production processes, and finished products.

Factory

Our 12,000m2 factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. We also provide chemical analysis reports for every FeCrAl alloy, NiCr alloy, and other products purchased.
For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.

Quality Control

Production process control
Key production stages, such as size measurement and strength testing, are monitored online to ensure product compliance at each stage. We implement real-time monitoring during processes like heat treatment and welding to ensure that process parameters align with design specifications.
 
Finished product quality test
100% inspection of finished products, including dimensions, strength, and resistivity, ensures that the product pass rate is above 99%.
 
* Chemical composition analysis: We have two spectrometers for confirming product compositions through spectral analysis.
* Structural analysis: Equipped with an electron microscope, we can analyze the microscopic structure of materials.
* Mechanical performance testing: Tests include tensile, impact, and elasticity assessments.
* Non-destructive testing: We use an X-ray inspection machine for scanning, radiographic testing, and methods like magnetic particle or penetration testing to ensure the products are free from cracks, porosity, or other defects.
* Appearance inspection: We check the surface of the products for smoothness, and ensure there are no scratches, rust, or other surface defects.

Packaging & Shipping

FAQ

Do you accept OEM/ODM production?
Yes! We support OEM and ODM production. You can provide samples or technical design drawings, and we will manufacture accordingly.
 
How do you ensure product quality?Do the chemical properties meet quality standards?
Our professional auality control team folows advanced product auality planning, strict execution,. and continuousimprovement. We provide quality inspection certifcates, including chemical analysis reports, to ensure compliance withindustry standards.

Can you provide detailed technical data and drawings?
Yes. Please let us know the product specifications and intended application, and we will send detailed technical data anddrawings for your evaluation and confirmation.
 
How do you handle pre-sales and after-sales service?
Our dedicated sales team offers one-on-one support to assist with your product needs. lf you have any questions, our teamis always available to help.