Maelezo
Aloi | Ujenzi wa Standard Strand, mm | Upinzani,Ω/m | Kipenyo cha Strand Nominella, mm | Mita kwa Kilo |
NiCr 80/20 | 19×0.544 | 0.233-0.269 | 26 | |
NiCr 80/20 | 19×0.61 | 0.205-0.250 | ||
NiCr 80/20 | 19×0.523 | 0.276-0.306 | 2.67 | 30 |
NiCr 80/20 | 19×0.574 | 2.87 | 25 | |
NiCr 80/20 | 37×0.385 | 0.248-0.302 | 2.76 | 26 |
NiCr 60/15 | 19×0.508 | 0.286-0.318 | ||
NiCr 60/15 | 19×0.523 | 0.276-0.304 | 30 | |
Ni | 19×0.574 | 0.020-0.027 | 2.87 | 21 |
Maelezo
Sifa/Daraja | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
Muundo wa Kemikali kuu | Ni | Pumzika | Pumzika | 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 | ≤ 1.0 | ≤ 1.0 | Pumzika | Pumzika | Pumzika | |
Max. halijoto ya huduma inayoendelea. ya kipengele | 1200 | 1250 | 1150 | 1100 | 1100 | |
Ustahimilivu katika 20oC (μ Ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
Uzito (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Uendeshaji wa joto (KJ/m· h· oC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Mgawo wa upanuzi wa mistari(α × 10-6/oC) | 18 | 17 | 17 | 19 | 19 | |
Kiwango myeyuko (takriban. )( oC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Kurefusha wakati wa kupasuka (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
Muundo wa Micrographic | austenite | austenite | austenite | austenite | austenite | |
Tabia za sumaku | isiyo ya sumaku | isiyo ya sumaku | isiyo ya sumaku | isiyo ya sumaku | isiyo ya sumaku |
Muundo wa Kemikali | Nickel, Chrome |
Hali | Angavu/Asidi nyeupe/Rangi iliyooksidishwa |
Daraja | Ni80Cr20, Ni70/30, Ni60Cr15, Ni60Cr23, Ni35Cr20Fe, Ni30Cr20 Ni80, Ni70,Ni60, Ni40, |
Faida | Muundo wa metallurgiska wa Nichrome huwapa plastiki nzuri sana wakati wa baridi. |
Sifa | Utendaji thabiti; Kupambana na oxidation; Upinzani wa kutu; utulivu wa joto la juu; Uwezo bora wa kutengeneza coil; Hali ya uso sare na nzuri bila matangazo. |