Bimetallic Temperature Indicator Bi Metal Sheet With Ni36 Low Expansion Layer
Brand Name:TANKII
Certification:ISO
Model Number:TB20110
Minimum Order Quantity:50
Delivery Time:15 days
Payment Terms:L/C, D/P, D/A
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Shanghai Shanghai China
Address:
1900 Mudanjiang Road, Baoshan District, 201999, Shanghai, China
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Product Details
TB20110 Thermal bimetal strip
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 | TB20110 | |
| With brand | ||
| Composite layer alloybrand | 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 |
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 | |||||||
| 20.8 | ±5% | ±7% | 39.0%±5% | 1.13 | ±5% | -20~150 | -70~200 | 7.7 |
| Modulus of elasticity E/GPa | Hardness (HV) | Tensile strength MPa | 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.
Bimetallic Temperature Indicator Bi Metal Sheet With Ni36 Low Expansion Layer
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