Ni70Cr30/Nickel chrome foil/Nickel chrome powder/Nichrome wire
Ni70Cr30/Nickel chrome foil/Nickel chrome powder/Nichrome wire
| Awọn ohun-ini / Ipele | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| Iṣapọ Kemikali akọkọ(%) | Ni | Bal. | Bal. | 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 | Bal. | Bal. | Bal. | |
| Iwọn Iṣiṣẹ ti o pọju (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Resistivity ni 20ºC (μΩ · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
| Ìwúwo (g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Gbona Conductivity (KJ/m· h·ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Iṣatunṣe ti Imugboroosi Gbona (α × 10-6/ºC) | 18 | 17 | 17 | 19 | 19 | |
| Ibi Iyọ (ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Ilọsiwaju(%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
| Micrographic Be | austenite | austenite | austenite | austenite | austenite | |
| Ohun-ini oofa | ti kii ṣe oofa | ti kii ṣe oofa | ti kii ṣe oofa | ti kii ṣe oofa | ti kii ṣe oofa | |
ọja Apejuwe
Ipele: Ni80Cr20, tun npe ni MWS-650, NiCrA, Tophet A, HAI-NiCr 80, Chrome A, Alloy A, N8, Resistohm 80, Stablohm 650, Nichorme V, N ati be be lo.
Akoonu Kemikali(%)
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Omiiran |
| O pọju | |||||||||
| 0.03 | 0.02 | 0.015 | 0.60 | 0.75 ~ 1.60 | 20.0 ~ 23.0 | Bal. | O pọju 0.50 | O pọju 1.0 | - |
Mechanical Properties ti nichrome waya
| Iwọn otutu Iṣẹ Ilọsiwaju ti o pọju: | 1200ºC |
| Resisivity 20ºC: | 1.09 ohm mm2/m |
| Ìwúwo: | 8,4 g/cm3 |
| Imudara Ooru: | 60.3 KJ/m·h·ºC |
| Iṣatunṣe ti Imugboroosi Gbona: | 18 α×10-6/ºC |
| Oju Iyọ: | 1400ºC |
| Ilọsiwaju: | Min 20% |
| Ẹya Aworan: | Austenite |
| Ohun-ini oofa: | ti kii ṣe oofa |
Awọn Okunfa otutu ti Itanna Resistivity
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC |
| 1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.026 | 1.018 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC | 1300ºC |
| 1.01 | 1.008 | 1.01 | 1.014 | 1.021 | 1.025 | - |
Iwọn deede ti okun waya alloy Nickel:
A pese awọn ọja ni irisi waya, okun waya alapin, ṣiṣan.A tun le ṣe ohun elo ti a ṣe adani gẹgẹbi awọn ibeere useris.
Imọlẹ ati funfun waya-0.025mm ~ 3mm
Okun gbigbe: 1.8mm ~ 10mm
Oxidized waya: 0.6mm ~ 10mm
Alapin waya: sisanra 0.05mm ~ 1.0mm, iwọn 0.5mm ~ 5.0mm
Ilana:
Waya: Igbaradi ohun elo → yo → tun-yo → forging → yiyi gbigbona → itọju ooru → itọju oju → iyaworan (yiyi) → itọju ooru pari → ayewo → idii → ile itaja
Awọn ẹya ọja ti okun waya nichrome:
1) Anti-oxidation ti o dara julọ ati agbara ẹrọ ni iwọn otutu giga;
2) High resistivity ati kekere otutu olùsọdipúpọ ti resistance;
3) Reelability ti o dara julọ ati iṣẹ ṣiṣe;
4) Iṣẹ alurinmorin ti o dara julọ
Ohun elo ti gbogbo awọn onipò:
Cr20Ni80: ni braking resistors, ileru ile ise, alapin Irons, ironing ero, omi ti ngbona, ṣiṣu igbáti ku, soldering Irons, irin sheathed tubular eroja ati katiriji eroja.
Cr30Ni70: ninu awọn ileru ile-iṣẹ. dara dara fun idinku awọn oju-aye, nitori ko jẹ koko-ọrọ si 'rot rot'.
Cr15Ni60: ni braking resistors, ileru ise, gbona farahan, grills, toaster ovens ati ibi ipamọ ti ngbona. Fun awọn coils ti daduro ni awọn igbona afẹfẹ ni awọn ẹrọ gbigbẹ aṣọ, awọn igbona afẹfẹ, awọn ẹrọ gbigbẹ ọwọ.
Cr20Ni35: ni awọn resistors braking, awọn ileru ile-iṣẹ.Ninu awọn igbona ibi ipamọ alẹ, awọn ẹrọ igbona convection, awọn rheostat ti o wuwo ati awọn igbona afẹfẹ. Fun awọn kebulu alapapo ati awọn ẹrọ igbona okun ni sisọ ati awọn eroja de-icing, awọn ibora ina mọnamọna ati awọn paadi, awọn ijoko ọkọ ayọkẹlẹ, awọn igbona ipilẹ ile ati ẹrọ ti ilẹ.
Cr20Ni30: ni awọn awopọ gbigbona ti o lagbara, awọn ẹrọ igbona okun ṣiṣi ni awọn eto HVAC, awọn igbona ipamọ alẹ, awọn ẹrọ igbona convection, awọn rheostat ti o wuwo ati awọn igbona afẹfẹ.
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