5j1580 Tb155/78 Thermal Bimetal Strip
Product Specifications
| Attribute | Value |
| Product Name | Thermal Bimetal Strip TB155/78 |
| High expansive layer | Ni20Mn6 |
| Low expansive layer | Ni36 |
| Density | 8.1(g/cm3) |
| Allows the use of temperature range | -70～350℃ |
| Linear temperature range | -20～180℃ |
| Modulus of elasticity(E) | ≥147000 MPa |
| Resistivity(20℃±5℃) | 0.78±5%Ωmm2/m |
| Flexivity(F)(at 20-130℃) | 28.5 x 10-6/℃ |
Product Description
The 5j1580 Tb155/78 Thermal Bimetal Strip is a high-performance material composed of two metal layers with different thermal expansion coefficients. Through continuous technological innovation, we have established ourselves as leaders in the production of specialized alloy strips including Cr20Ni35, Alloy 815, and E11c.
International Equivalents
- Chinese mark: 5J1580/5J16
- German mark: TB1577
- American mark: TM-1
- Kanthal mark: Kanthal 155
Technical Characteristics
The thermal bimetallic strip combines two metal layers with different linear expansion coefficients, offering:
- High thermal sensitivity and resistivity
- Excellent low temperature stability
- Superior weldability
- Wide application in temperature measurement and automatic control systems
Component Laminations and Chemical Content
| Layer of alloy components | Chemical content(%) |
| Ni20Mn6 (Active) | Ni: 19.0~21.0, Fe: Bal., Mn: 5.0~7.0, Si: 0.15~0.30, C: ≤0.05, S: ≤0.02, P: ≤0.02 |
| Ni36 (Passive) | Ni: 35.0~37.0, Fe: Bal., Mn: ≤0.6, Si: ≤0.3, C: ≤0.05, S: ≤0.02, P: ≤0.02 |
Mechanical Properties
Flexivity (20-130℃): 28.5 x 10-6/℃
Resistivity (20℃±5℃): 0.78±5%Ωmm2/m
Modulus of elasticity: ≥147000 MPa
Linear temperature range: -20～180℃
Operating temperature range: -70～350℃
Density: 8.1 g/cm3
Quality Assurance
We maintain a complete scientific quality management system and can produce 5j1580 Tb155/78 Thermal Bimetal Strips in various specifications to meet customer requirements. Our commitment to integrity and professional service ensures reliable, high-quality products at competitive prices.
