Nickel Chrome Alloy WireNI70CR30
CR30NI70 Nichrome alloy eletrothermal coil strip, upinzani wa sable kwa kipengee cha kupokanzwa,
NICR70/30
Nickel chromium aloi na upinzani wa chuma umeme wa juu, uso wa uso wa ngono. Kwa joto la juu na kiwango cha juu,
na utendaji mzuri na usindikaji unaweza kulehemu asili ya metallurgiska, umeme, vifaa vya mitambo na umeme
Viwanda vya kutengeneza vifaa vya kupinga joto.
Aina ya NICR: CR20NI80, CR15NI60, CR20NI35, CR20NI30, CR25NI20 nk.
3. Ukubwa wa uzalishaji:
Unene: 0.02- 4.0mm
Upana: 2,5- 250mm
Kiwango: GB1234-95
Uso mkali na laini
NI70CR30
Yaliyomo ya kemikali, %
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Nyingine |
Max | |||||||||
0.08 | 0.02 | 0.015 | 0.60 | 0.75 ~ 1.60 | 28.0 ~ 31.0 | Bal. | Max 0.50 | Max 1.0 | - |
Mali ya mitambo
Max inayoendelea joto la huduma: Urekebishaji (20ºC)/ω · m :: wiani: Utaratibu wa mafuta: Mgawo wa upanuzi wa mafuta: Hatua ya kuyeyuka: Elongation: Muundo wa Micrographic: Mali ya sumaku: | 1250ºC 1.18 +/- 0.05 (dia: <0.5mm) 1.20 +/- 0.05 (DIA: ≥0.50 mm) 8.1 g/cm3 45.2 kJ/m · H · ºC 17 × 10-6/ºC (20ºC ~ 1000ºC) 1380ºC Min 20% Austenite nonmagnetic |
Aina | CR20NI80 | CR15NI60 | CR30NI70 | CR20NI35 | CR20NI30 | |
Muundo kuu wa kemikali | Ni | Pumzika | 55.0 ~ 61.0 | Pumzika | 34.0 ~ 37.0 | 30.0 ~ 34.0 |
Cr | 20.0 ~ 23.0 | 15.0 ~ 18.0 | 28.0 ~ 31.0 | 18.0 ~ 21.0 | 18.0 ~ 21.0 | |
Fe | ≤1 | Pumzika | ≤1 | Pumzika | Pumzika | |
Joto kubwa (ºC) | 1200 | 1150 | 1250 | 1100 | 1100 | |
Mchanganyiko wa joto la kupinga joto. (CT) | 1.09 ± 0.05 | 1.11 ± 0.05 | 1.18 ± 0.05 | 1.04 ± 0.05 | 1.06 ± 0.05 | |
Hatua ya kuyeyuka (ºC) | 1400 | 1390 | 1380 | 1390 | 1390 | |
Resistivityp20ºC (10-6Ω.m) | 800ºC | 1.008 | 1.078 | 1.028 | 1.188 | 1.173 |
1000ºC | 1.014 | 1.095 | 1.033 | 1.219 | 1.201 | |
1200ºC | 1.025 | 1.043 | ||||
Thamani ya maisha ya haraka | Tem. (ºC) | 1175 | 1100 | 1200 | 1050 | 1050 |
Saa (H) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
Mvuto maalum (g/cm3) | 8.40 | 8.2 | 8.1 | 7.90 | 7.90 | |
Elongation (%) | ≥25 | ≥25 | ≥20 | ≥20 | ≥20 | |
Mafuta (KJ/MHºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Joto maalum (20ºC) J/G.ºC | 0.440 | 0.494 | 0.461 | 0.500 | 0.500 | |
Panua nguvu (20 ~ 1000ºC) α*10-6ºC | 18.0 | 17.0 | 17.1 | 19.0 | 19.0 | |
Nguvu tensile (kg/mm2) | > 85 | > 85 | > 85 | > 85 | > 85 | |
Kurudia kurudia (F/R) | > 12 | > 12 | > 12 | > 12 | > 12 | |
Muundo wa kipaza sauti | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic |