Ni70Cr30bụ nickel-chromium alloy (NiCr alloy) nke e ji elu resistivity, ezigbo oxidation resistance na ezigbo ụdị nkwụsi ike. Ọ dabara adaba maka iji ya na okpomọkụ ruo 1250C, ma jide ndụ ọrụ dị elu ma e jiri ya tụnyere ígwè chromium alumium alloys.
Ngwa a na-ahụkarị makaNi70Cr30bụ ọkụ ọkụ eletrik na ngwa ụlọ, ụlọ ọrụ ọkụ ọkụ na resistors (wirewound resistors, metal film resistors), flat iron, ironing igwe, mmiri heaters, plastic ịkpụzi anwụ, soldering ígwè, metal sheathed tubular ọcha na katrij ọcha.
Ngwakọta nkịtị%
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Ndị ọzọ |
Oke | |||||||||
0.03 | 0.02 | 0.015 | 0.60 | 0,75-1.60 | 28.0-31.0 | Bal. | Kachasị 0.50 | Kachasị 1.0 | - |
Njirimara anụ ahụ ahụkarị
Njupụta (g/cm3) | 8.1 |
Igwe ọkụ eletrik na 20ºC (mm2/m) | 1.18 |
Ọnụọgụ nke mgbasawanye thermal | |
Okpomọkụ | Ọnụọgụ nke Mgbasa ọkụ x10-6/ºC |
20 ºC-1000ºC | 17 |
Kpọmkwem ike okpomọkụ | |
Okpomọkụ | 20ºC |
J/gK | 0.46 |
Ebe mgbaze (ºC) | 1380 |
Oke okpomọkụ na-aga n'ihu na ikuku (ºC) | 1250 |
Njirimara magnetik | na-abụghị magnetik |
Ihe Ndị Na-akpata Okpomọkụ nke Nguzogide Eletriki | |||||
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 | - |
Ụdị nke ọkọnọ
Aha Alloys | Ụdị | Akụkụ | ||
Ni70Cr30W | Waya | D=0.03mm~8mm | ||
Ni70Cr30R | Ribọn | W=0.4~40 | T = 0.03 ~ 2.9mm | |
Ni70Cr30S | Mwepu | W=8 ~ 250mm | T = 0.1 ~ 3.0 | |
Ni70Cr30F | Foil | W=6 ~ 120mm | T = 0.003 ~ 0.1 | |
Ni70Cr30B | Ogwe | Dia=8 ~ 100mm | L=50~1000 |