Kub tiv taus hlau Nichrome hlau NiCr8020 / NiCr7030 / NiCr3520
NiCr80/20 hlau tiaj tiaj yog tsim los ntawm cov hlau nickel chromium uas tiv taus thiab muaj cov yam ntxwv zoo heev ntawm kev tiv taus oxidation, cov khoom siv hluav taws xob ruaj khov thiab kev ua haujlwm kub siab txhim khu kev qha. Piv nrog cov hlau puag ncig, cov qauv hlau tiaj tiaj muab thaj chaw loj dua thiab kev hloov pauv cua sov zoo dua, ua rau nws tsim nyog rau ntau yam kev siv cua sov thiab kev tiv taus.
Cov xov hlau ribbon tuaj yeem tsim nrog cov tuab, dav, ntug thiab qhov tiav raws li cov neeg siv khoom xav tau. Nws yog dav siv rau hauv cov khoom cua sov, cov cub tawg, cov khoom tiv thaiv, cov khoom siv hluav taws xob thiab cov khoom siv thermal.
Tankii muab cov hlau tsis kam NiCr80/20 zoo nrog kev ua haujlwm ruaj khov thiab kev daws teeb meem tsim khoom rau cov neeg siv khoom thoob ntiaj teb.
1. Txog Nichrome hlau
Nichrome alloy suav nrog cov nickel ntshiab, NiCr alloy, Fe-Cr-Al alloy thiab tooj liab nickel alloy.
Cov hlau nickel chrome: Ni80Cr20, Ni70Cr30, Ni60Cr15, Ni35Cr20, Ni30Cr20, Cr25Ni20, nickel ntshiab Ni200 thiab Ni201
FeCrAl hlau: 0Cr25Al5, 0Cr23Al5, 0Cr21Al4, 0Cr27Al7Mo2, 0Cr21Al6Nb, 0Cr21Al6.
Tooj liab nickel hlau: CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, CuNi23, CuNi30, CuNi44, Constantan, CuMn12Ni
Peb cov Nichrome alloy yog nyob rau hauv daim ntawv ntawm hlau, kauj, ribbon, strip, ntawv ci
loj: Hlau: 0.018mm-10mm Ribbon: 0.05 * 0.2mm-2.0 * 6.0mm Sawb: 0.5 * 5.0mm-5.0 * 250mm Bar: 10-100mm
2. Qib thiab cov khoom
Cov lus piav qhia ntawm cov khoom
1) Cov tshuaj lom neeg muaj pes tsawg leeg:
| Hom | Cov tshuaj lom neeg muaj pes tsawg leeg | Si | Cr | Ni | Al | Fe | |||
| C | P | S | Mn | ||||||
| Tsis ntau tshaj | |||||||||
| Cr20Ni80 | 0.08 | 0.020 | 0.015 | 0.60 | 0.75-1.60 | 20.0-23.0 | nyob twj ywm | ≤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 | nyob twj ywm |
| Cr20Ni35 | 0.08 | 0.020 | 0.015 | 1.00 | 1.00-3.00 | 18.0-21.0 | 34.0-37.0 | - | nyob twj ywm |
| Cr20Ni30 | 0.08 | 0.020 | 0.015 | 1.00 | 1.00-2.00 | 18.0-21.0 | 30.0-34.0 | - | nyob twj ywm |
2) Qhov Loj thiab Kev kam rau siab
| Txoj kab uas hla | 0.030-0.50 | >0.050-0.100 | >0.100-0.300 | >0.300-0.500 | >0.50-1.00 | >1.00-3.00 | TUS UA HAUJ LWM STRANDARD |
| Kev kam rau siab | ±0.005 | ±0.007 | ±0.010 | ±0.015 | ±0.02 | ±0.03 | GB/T1234-1995 |
Thaum cov khoom nyob rau ntawm "M" xwm txheej, yuav tsum ua raws li tus qauv GB / T1234-1995
Kev tiv taus:
| Hom | Cr20Ni80 | Cr20Ni60 | Cr20Ni35 | Cr20Ni30 | ||
| Txoj kab uas hla hli | <0.50 | 0.50-3.0 | <0.50 | ≥0.50 | <0.50 | ≥0.50 |
| kev tiv taus (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 |
Qhov Zoo Tshaj Plaws thiab Daim Ntawv Thov
1. Nickel-chromium, nickel-chromium alloy nrog siab thiab ruaj khov tsis kam, corrosion tsis kam, nto oxidation tsis kam yog qhov zoo, zoo dua nyob rau hauv kub siab thiab seismic zog, zoo ductility, zoo workability thiab weldability.
2. Peb cov khoom siv dav dav rau kev lag luam tshuaj lom neeg, metallurgy mechanism, iav kev lag luam, ceramic kev lag luam, khoom siv hauv tsev thiab lwm yam.

