Wayar Rintangan diperbuat daripada Aloi Krom Nikel, Aloi Besi Krom Nikel, Aloi Aluminium Krom Besi, Aloi Nikel Kuprum.
Terutamanya digunakan dalam pemanas, elemen pemanas dan perintang, dsb.
NiCr 80/20, NiCr 70/30, NiCr 60/15, NiCr 35/20
FeCrAl15-5, FeCrAl20-5, FeCrAl 25-5, dsb...
Constantan, Aloi 30, Aloi 60, Aloi 90, dsb.
Kerintangan Elektrik dari 0.02 u ohm/m-1.53 u ohm/m
Suhu Kendalian dari 200 C hingga 1400 C
Sila bebas untuk menghubungi kami jika terdapat sebarang pertanyaan.
NiCr:
RESISTOHM 20, RESISTOHM 30, RESISTOHM 40, RESISTOHM 60, RESISTOHM 70, RESISTOHM 80
FeCrAl:
RESISTOHM 125, RESISTOHM 135, RESISTOHM 140,
RESISTOHM 145, RESISTOHM 153
CuNi
Constantan, Cuprothal 5, Cuprothal 10, Cuprothal 15, Cuprothal 30, Eurica
Gred Aloi FeCrAl | Komposisi Kimia % | |||||||||
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Re | Lain-lain |
maks(≤) | ||||||||||
1Cr13Al4 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 12.5-15.0 | —- | 3.5-4.5 | 0.1 | Bal. |
0Cr15Al5 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 14.5-15.5 | —- | 4.5-5.3 | 0.1 | Bal. |
0Cr25Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 23.0-26.0 | ≤0.60 | 4.5-6.5 | 0.1 | Bal. |
0Cr23Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 20.5-23.5 | ≤0.60 | 4.2-5.3 | 0.1 | Bal. |
0Cr21Al6 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 19.0-22.0 | ≤0.60 | 5.0-7.0 | 0.1 | Bal. |
0Cr21Al4 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 21.0-23.0 | ≤0.60 | 3.0-5.2 | 0.1 | Bal. |
0Cr21Al6Nb | 0.05 | 0.025 | 0.025 | 0.7 | ≤0.60 | 21.0-23.0 | ≤0.60 | 5.0-7.0 | 0.1 | Bal. |
0Cr27Al7Mo2 | 0.05 | 0.025 | 0.025 | 0.7 | ≤0.40 | 26.5-27.8 | ≤0.60 | 6.0-7.0 | 0.1 | Bal. |
Komposisi dan Sifat Kimia:
Hartanah/Gred | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
Bahan Kimia Utama Komposisi(%) | 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. | |
Maks Bekerja Suhu(ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
Kerintangan pada 20ºC (μ Ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
Ketumpatan(g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Kekonduksian Terma (KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Pekali Terma Pengembangan(α × 10-6/ºC) | 18 | 17 | 17 | 19 | 19 | |
Takat Lebur(ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Pemanjangan(%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
Struktur Mikrograf | austenit | austenit | austenit | austenit | austenit | |
Harta Magnetik | bukan magnet | bukan magnet | bukan magnet | bukan magnet | bukan magnet |
Gred Aloi CuNi | Kerintangan elektrik (20 darjahΩ mm² /m) | pekali suhu rintangan (10^6/darjah) | Ketumpatan g/mm² | Maks. suhu (ijazah) | Takat lebur (ijazah) |
CuNi1 | 0.03 | < 1000 | 8.9 | 200 | 1085 |
CuNi2 | 0.05 | < 1200 | 8.9 | 200 | 1090 |
CuNi6 | 0.10 | < 600 | 8.9 | 220 | 1095 |
CuNi8 | 0.12 | < 570 | 8.9 | 250 | 1097 |
CuNi10 | 0.15 | < 500 | 8.9 | 250 | 1100 |
CuNi14 | 0.20 | < 380 | 8.9 | 300 | 1115 |
CuNi19 | 0.25 | < 250 | 8.9 | 300 | 1135 |
CuNi22 | 0.30 | < 160 | 8.9 | 300 | 1150 |
CuNi30 | 0.35 | < 100 | 8.9 | 350 | 1170 |
CuNi34 | 0.40 | -0 | 8.9 | 350 | 1180 |
CuNi40 | 0.48 | ± 40 | 8.9 | 400 | 1280 |
CuNi44 | 0.50 | < -6 | 8.9 | 400 | 1280 |