Nikel Chrom qotishol simNi70cre30
CR30I70 Nichrome Alloy Eletermal Call tasma, isitish elementi uchun s uchun foydali qarshilik,
Nikr70 / 30
Nikel xromining qotishmasi temir qarshilik elektrotermal yuqori chidamliligi, sirt tanasi jinsiy yaxshi. Yuqori haroratda va yuqori intensivlikda,
Yaxshi ishlash va qayta ishlash metallurgiya, elektr, mexanik qismlar va elektr
issiqlik chidamliligi materialini bajarish uchun ishlab chiqarish tarmoqlari.
Nikr turi: CR20SI80, CR15ni60, CR20SI35, CR20SI30, CR205Y30, CR25NI20 va boshqalar. Elektr tekis kamar, elektr piraligi.
3.Producte hajmi:
Qalinligi: 0,02--4.0MM
Kengligi: 2.5-250 mm
Standard: Gb1234-95
Yorqin va silliq sirt
Ni70cre30
Kimyoviy tarkib,%
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Boshqa |
Mix | |||||||||
0,08 | 0,02 | 0.015 | 0,60 | 0.75 ~ 1.60 | 28.0 ~ 31.0 | Bal. | Maks 0.50 | Maksimal 1,0 | - |
Mexanik xususiyatlar
Uzluksiz doimiy xizmat harorati: Ishlash (20ºC) / ō íarm: zichlik: Issiqlik o'tkazuvchanligi: Termal kengayish koeffitsienti: Erish nuqtasi: Abonent: Mikrografik tuzilma: Magnit mulk: | 1250ºC 1.18 +///05 (Die: <0.5MM) 1.20 +//- 0.05 (DIA: ≥0.50 mm) 8.1 g / sm3 45.2 KJ / MD · XºC 17 × 10-6 / ºC (20ºC ~ 1000ºC) 1380ºC Min 20% Xiyonat nomunosib |
Tur | CR20NI80 | CR15NI60 | CR30I70 | CR20NI35 | CR20SI30 | |
Asosiy kimyoviy kompozitsiya | Ni | Dam olish | 55.0 ~ 61.0 | Dam olish | 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 | Lifol | Dam olish | Lifol | Dam olish | Dam olish | |
Maksimal harorat (ºC) | 1200 | 1150 | 1250 | 1100 | 1100 | |
Qarshilik harorati tuzatish koeffitsienti. (CT) | 1.09 ± 0.05 | 1.11 ± 0,05 | 1.18 ± 0.05 | 1.04 ± 0.05 | 1.06 ± 0.05 | |
Eritish nuqtasi (ºC) | 1400 | 1390 yilda | 1380 yilda | 1390 yilda | 1390 yilda | |
Qarshilik urishi (10-6Ō.m) | 800ºC | 1.008 | 1.078 | 1.028 | 1.188 | 1.173 |
1000ºC | 1.014 | 1.095 | 1.033 | 1.219 | 1.2019 | |
1200ºC | 1.025 | 1.043 | ||||
Fast hayot qiymati | Tem. (ºC) | 1175 yil | 1100 | 1200 | 1050 | 1050 |
soat (h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
O'ziga xos tortishish (g / sm3) | 8.40 | 8.2 | 8.1 | 7.90 | 7.90 | |
Cho'zish (%) | ≥25 | ≥25 | ≥20 | ≥20 | ≥20 | |
Termal (KJ / MHºCºC) | 60,3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Maxsus issiqlik (20ºC) j / g.ºC | 0.440 | 0.494 | 0.461 | 0,500 | 0,500 | |
Kuch berish (20 ~ 1000ºC) a * 10-6ºC | 18,0 | 17,0 | 17.1 | 19.0 | 19.0 | |
Zinarli kuch (kg / mm2) | > 85 | > 85 | > 85 | > 85 | > 85 | |
Bir necha bor egilish (f / r) | > 12 | > 12 | > 12 | > 12 | > 12 | |
Mikroektema | Astenitsion | Astenitsion | Astenitsion | Astenitsion | Astenitsion |