Ko te rauemi NiCr8020 me te nama rauemi 2.4869 e whakamahia ana i te ahua o ngā rīpene, ngā pepa, ngā ngongo me ngā waea mō ngā wāhanga hanga oumu me ngā ara iahiko whakamahana.
He koranu ara iahiko whakamahana nikara-konukōmiuma tēnei mō ngā pāmahana whakahaere tae atu ki te 1150 °C, ā, he maha ngā wā kei roto ngā tāpiringa o ngā whenua onge hei ātete ake ki te waikura, inā koa me ngā mahi whakawhiti auau, me ngā rerekētanga pāmahana whānui rānei.
He teitei te ātete ki te waikura o te āhuarangi i te 20 °C tae noa ki te pāmahana whakahaere o runga rawa; he teitei anō hoki te ātete ki te hau me ētahi atu hau kei roto te hāora, tae atu ki ngā hau iti te hāora kei roto te hauota, engari he iti ki ngā hau waikura me ngā hau whakaiti kei roto te whanariki.
He teitei te ātete ki te whakakāhoretia o te waro. He pai mō ngā oumu hiko ahumahi, ngā oumu enamel, ngā taputapu whare, ngā whakamahana rokiroki pō.
1. Mō te waea Nichrome
Kei roto i te koranu nichrome te nikara parakore, te koranu NiCr, te koranu Fe-Cr-Al me te koranu nikara parahi.
Ngā koranu nikara konukōre:Ni80Cr20, Ni70Cr30, Ni60Cr15, Ni35Cr20, Ni30Cr20, Cr25Ni20, nikara parakore Ni200 me Ni201
Koranu FeCrAl: 0Cr25Al5, 0Cr23Al5, 0Cr21Al4, 0Cr27Al7Mo2, 0Cr21Al6Nb, 0Cr21Al6.
Konumohe nikara parahi: CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, CuNi23, CuNi30, CuNi44, Constantan,CuMn12Ni
Kei roto i te āhua o tā mātou koranu Nichrome he waea, he koiri, he rīpene, he rīpene, he pepa konutea.
Rahi: Waea: 0.018mm-10mm Rīpene: 0.05*0.2mm-2.0*6.0mm Rīpene: 0.5*5.0mm-5.0*250mm Pae: 10-100mm
2. Ngā tohu me ngā āhuatanga
Te whakaahuatanga o ngā hua
1) Te hanganga matū:
| Waitohu | Te hanganga matū | Si | Cr | Ni | Al | Fe | |||
| C | P | S | Mn | ||||||
| Kāore i neke atu i te | |||||||||
| Cr20Ni80 | 0.08 | 0.020 | 0.015 | 0.60 | 0.75-1.60 | 20.0-23.0 | noho tonu | ≤0.50 | ≤1.0 |
| Cr15Ni60 | 0.08 | 0.020 | 0.015 | 0.60 | 0.75-1.60 | 15.0-18.0 | 55.0-61.0 | ≤0.50 | noho tonu |
| Cr20Ni35 | 0.08 | 0.020 | 0.015 | 1.00 | 1.00-3.00 | 18.0-21.0 | 34.0-37.0 | - | noho tonu |
| Cr20Ni30 | 0.08 | 0.020 | 0.015 | 1.00 | 1.00-2.00 | 18.0-21.0 | 30.0-34.0 | - | noho tonu |
2) Rahi me ngā Ātete
| Diameter | 0.030-0.50 | >0.050-0.100 | >0.100-0.300 | >0.300-0.500 | >0.50-1.00 | >1.00-3.00 | KAIWHAKAHAERE PAEREWA |
| Manawanui | ±0.005 | ±0.007 | ±0.010 | ±0.015 | ±0.02 | ±0.03 | GB/T1234-1995 |
Ina kei te tūnga "M" te hua, me whai i te paerewa GB/T1234-1995
Ātete:
| Waitohu | Cr20Ni80 | Cr20Ni60 | Cr20Ni35 | Cr20Ni30 | ||
| Diameter mm | <0.50 | 0.50-3.0 | <0.50 | ≥0.50 | <0.50 | ≥0.50 |
| ātete (20°C)uΩ·m | 1.09±0.05 | 1.13±0.05 | 1.12±0.05 | 1.15±0.05 | 1.04±0.05 | 1.06±0.05 |
Painga Matua me te Whakamahinga
1. Nikara-konukōmiuma, he koranu nikara-konukōmiuma tēnei, he ātete teitei, he pumau hoki, he ātete ki te waikura, he pai te ātete ki te waikura o te mata, he pai ake te kaha i raro i te pāmahana tiketike me te kaha rū whenua, he pai te ngāwari, he pai te mahi me te kaha ki te whakarewa.
2. Ka whakamahia whānuitia ā mātou Hua ki te ahumahi matū, ki te miihini whakarewa, ki te ahumahi karāhe, ki te ahumahi uku, ki te wāhanga taputapu kāinga me ērā atu.
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