Ni70Cr30wani ƙarfe ne na nickel-chromium (NiCr gami) wanda ke da juriya mai yawa, juriya ga iskar shaka mai kyau da kuma kwanciyar hankali mai kyau. Ya dace da amfani a yanayin zafi har zuwa 1250°C, kuma yana da tsawon rai mai kyau idan aka kwatanta da ƙarfe na aluminum.
Aikace-aikace na yau da kullun donNi70Cr30Abubuwan dumama lantarki ne a cikin kayan aikin gida, murhunan masana'antu da masu juriya (masu juriyar waya, masu juriyar fim ɗin ƙarfe), ƙarfe mai faɗi, injunan guga, masu dumama ruwa, mayukan gyaran filastik, ƙarfen soldering, abubuwan bututun ƙarfe masu rufi da abubuwan harsashi.
Tsarin al'ada%
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Wani |
| Mafi girma | |||||||||
| 0.03 | 0.02 | 0.015 | 0.60 | 0.75~1.60 | 28.0~31.0 | Bal. | Matsakaicin 0.50 | Matsakaicin 1.0 | - |
Halayen Jiki na Al'ada
| Yawan yawa (g/cm3) | 8.1 |
| Juriyar lantarki a 20ºC (mm2/m) | 1.18 |
| Ma'aunin faɗaɗa zafi | |
| Zafin jiki | Ma'aunin Faɗaɗawar Zafi x10-6/ºC |
| 20 ºC- 1000 ºC | 17 |
| Ƙayyadadden ƙarfin zafi | |
| Zafin jiki | 20ºC |
| J/gK | 0.46 |
| Wurin narkewa (ºC) | 1380 |
| Matsakaicin zafin aiki mai ci gaba a cikin iska (ºC) | 1250 |
| Sifofin maganadisu | ba maganadisu ba |
| Abubuwan Zafin Jiki na Juriyar Lantarki | |||||
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 600ºC |
| 1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.018 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1300ºC |
| 1.01 | 1.008 | 1.01 | 1.014 | 1.021 | - |
Salon wadata
| Sunan Alloys | Nau'i | Girma | ||
| Ni70Cr30W | Waya | D=0.03mm~8mm | ||
| Ni70Cr30R | Ribbon | W=0.4~40 | T=0.03~2.9mm | |
| Ni70Cr30S | Zirin | W=8~250mm | T=0.1~3.0 | |
| Ni70Cr30F | Fayil | W=6~120mm | T=0.003~0.1 | |
| Ni70Cr30B | mashaya | Dia = 8 ~ 100mm | L=50~1000 | |
150 0000 2421