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合金名称 (Alloy Nomenclature)
性能（Performance?Cr20Ni80 Cr30Ni70 Cr15Ni60 Cr20Ni35 Cr20Ni30
主要化学成份（Main
Chemical
composition?Ni 余量（Rest?Rest 55.0-61.0 34.0-37.0 30.0-34.0
Cr 20.0-23.0 28.0-31.0 15.0-18.0 18.0-21.0 18.0-21.0
Fe ?.0 ?.0 Rest Rest Rest
元件最高使用温? C （Max. continuous service temp.
of element?1200 1250 1150 1100 1100
电阻?0C (Nω m) （Resistivity at 20C?
1.09 1.18 1.12 1.0 1.04
密度 (g/cm3) （Density?
8.40 8.10 8.20 7.90 7.90
导热系数(KJ/m h C) （Thermal conductivity?
60.3 45.2 45.2 43.8 43.8
线胀系数(α×10-6/C) （Coefficient of lines expansion?
18.0 17.0 17.0 19.0 19.0
熔点约? C) （Melting point
(approx.)) 1400 1380 1390 1390 1390
延伸?%) （Elongation at
rupture? >20 >20 >20 >20 >20
显微组织 （Micrographic
structure?奥氏体（austenite?austenite austenite austenite austenite
磁? （Magnetic
properties?非磁性（nonmagnetic?nonmagnetic 弱磁? （Weak magnetic?Weak magnetic Weak magnetic
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| Company: |
Wisdom Improt&Export(Shanghai)Co.,Ltd
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| Contact: |
Mr. John Li |
| Address: |
Shanghai Zhongshan Road 1715 |
| Postcode: |
200061 |
| Tel: |
86-21-61395047 |
| Fax: |
86-21-61395049 |
| E-mail: |
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