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Thermal bimetallic strip 5j20110(5j11)

Basic Info

Model No.:  5j20110

Product Description

Model NO.: 5j20110 Type: Electric Coil Shape: flake use: Circuit breaker, thermal protector Allows the use of temperature range: -70~200 Transport Package: Wooden Case Origin: China Certification: RoHS, ISO9001 Material: Silicon Carbide density: 7.7g/cm³ Linear temperature range: -20~150 Trademark: tankii Specification: negotiable HS Code: 7408229000 overview 
Thermal bimetal strip is by the different expansion coefficient of two or more than two layers of metal or metal solid combination, and along the entire interface varies with temperature and the thermal function of shape changes in composite materials.One of high expansion coefficient become active layer, low expansion coefficient becomes passive.When requirements with high resistivity, but heat sensitive resistance performance is essentially the same type of thermal bimetal series, can be added between the two layers of different thickness of middle layer as a shunt layer, is to achieve the purpose of control different resistivity.
The basic characteristic of the thermal bimetal is changing with temperature and temperature deformation, resulting in a certain moment.Many devices use this feature to convert heat energy into mechanical work to achieve automatic control.Thermal bimetal used for control system and temperature sensor in the measuring instrument.
System of heat treatment: heat sensitive resistance, resistivity and elastic modulus of samples before the measurement must undergo heat treatment, to eliminate stress.
Main features: high heat sensitive properties and high resistivity, but lower elastic modulus and allowed stress, can increase the sensitivity of the instrument, smaller size and increase the reaction
shop sign 5j20110
With brand  
Composite layer
High expansion layer Mn75Ni15Cu10(Mn72Ni10Cu18)
middle layer --------
Low expansion layer Ni36
Chemical composition
shop sign Ni Cr Fe Co Cu Zn Mn Si C S P
Ni36 35.0~37.0 - allowance - - - ≤0.6 ≤0.3 0.05 0.02 0.02
Mn72Ni10Cu18 8.0~11.0 - ≤0.8 - 17.0~19.0 - allowance ≤0.5 0.05 0.03 0.02
Mn75Ni15Cu10 14.0~16.0 - ≤0.8 - 9.0~11.0 - allowance ≤0.5 0.05 0.02 0.03
Than bending K(20~135ºC) Temperature curvature
F/(greenhouse ~ 130 ºC)
 resistivity Linear temperature
/ ºC
Allows the use of temperature / ºC Density (g/cm after)
Nominal value Allowable deviation Standard values Allowable deviation
Level 1 Level  2
20.8 ±5% ±7% 39.0%±5% 1.13 ±5% -20~150 -70~200 7.7
Modulus of elasticity
Hardness (HV) Tensile strength
Allow stress MPa
High expansion layer Low expansion layer  minimum biggest
113~142 190~240 200~255 736~834 147 294
 production process
Cold rolled →go oil → pickling → annealing cold-rolled →oil → pickling → annealing cold-rolled → conform to the requirements of the use of thermal bimetal strip
Welding performance: thermal bimetal not allowed in the flame or electric arc brazing or welding.Spot welding and resistance welding can be performed.Must be removed before welding, component spot welding processing surface oxidation film, grease and other stolen goods.5 j20110 because of its high expansion layer with low melting point, surface oxidation, be especially careful when welding.
Company profile
Shanghai tankii alloy material co., LTD is a company specializing in the production of Thermal bimetal, nickel chromium alloy, copper, nickel alloy, iron chromium alloy, nickel alloy, Thermocouple Wire, Pure Nickel, and other precision alloy round wire, flat wire, wire rod, flat, wide and thin of large enterprises.Our factory has advanced production equipment, from smelting, hot rolling, cold rolling, drawing, heat treatment to the product factory is a set of strict production process control, at present the factory production of day brand nickel chrome belt, Nichrome Wire, iron chromium aluminum wire, iron chromium aluminum, resistance, Copper Nickel Wire, copper, nickel, manganese, copper, manganese, copper wire, thermal spraying nickel aluminum wire, Pure Nickel Wire, pure nickel belt, thermocouple wire of electric heating products have been exported to international markets.Shanghai day alloy material co., LTD has passed quality system certification and environmental protection system certification.The company in line with the tenet of "honest, quality first" in pursuit of scientific and technological innovation, create the first brand Alloys as the business philosophy to the quality strives for the survival, to the survival and development.Professional and sincere hospitality is our aim.Warmly welcome people at home and abroad and the general new old customers to come to ask price inquiry, ask for samples, negotiate the business, technology, enhance friendship and create brilliant.
 Thermal bimetallic strip 5j20110(5j11)

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