R3 Thermal bimetal alloy strip factory time delay devices

• Standard: ASTM, GB, DIN
• Certification: ISO
• Surface Treatment: Galvanized
• Stock: Not Stock
• use: Electrical appliances product temperature control
• density: 8.58
• Model NO.: R3
• features: Linear temperature can reach 350 ºC
• Allows the use of temperature range: -70~260ºC
• Elastic modulus is not less than: 1.38
• Linear temperature range: +20~350
• resistivity: 0.03
• bending: 12.2
• Temperature curvature: 23.0%
• Transport Package: Wooden Case
• Specification: customized
• Trademark: tankii
• Origin: Shanghai
• HS Code: 7226920000
• Production Capacity: 3000 Tons/Year

Product Description

R3 Thermal bimetal alloy strip

Main features: Linear temperature range is higher, low thermal performance, can be used at high temperature.
 

shop sign		R3
With brand
Composite layer alloybrand	High expansion layer	Ni22Cr3
	middle layer	Ni
	Low expansion layer	Ni36

 
Chemical composition

shop sign	Ni	Cr	Fe	Co	Cu	Zn	Mn	Si	C	S	P
									≤
Ni36	35.0~37.0	-	Bal	-	-	-	≤0.60	≤0.3	0.05	0.02	0.02
Ni	≤99.3	-	≤0.15	-	≤0.15	-	-	≤0.15	0.15	-	0.015
Ni22Cr3	21.0~23.0	2.0~4.0	allowance	-	-	-	0.3~0.6	0.15~0.30	0.25~0.35	0.02	0.02

performance
 

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
12.2	±5%	±10%	23%±5%	0.033	±10%	-20~150	-70~260	8.58