Sreang Friotaíocht déanta as Cóimhiotail Nickel Chrome, Cóimhiotail Iarainn Nickel Chrome, Cóimhiotail Alúmanam Iarainn Chrome, Cóimhiotail Copar Nicil.
Úsáidtear go príomha i téitheoir, eilimint téimh agus friotóir, etc.
NiCr 80/20, NiCr 70/30, NiCr 60/15, NiCr 35/20
FeCrAl15-5, FeCrAl20-5, FeCrAl 25-5, srl…
Constantan, Alloy 30, Alloy 60, Alloy 90, etc.
Friotaíocht Leictreach ó 0.02 u ohm/m-1.53 u ohm/m
Teocht Oibriúcháin ó 200 C go 1400 C
Pls a bheith saor chun teagmháil a dhéanamh linn má tá aon cheist.
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
Grád Cóimhiotal FeCrAl | Comhdhéanamh Ceimiceach % | |||||||||
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Re | Daoine eile |
uas(≤) | ||||||||||
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. |
Comhdhéanamh Ceimiceach agus Airíonna:
Airíonna/Grád | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
Príomhcheimiceach Comhdhéanamh(%) | 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. | |
Uasmhéid Oibre Teocht(ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
Friotaíocht ag 20ºC (μ Ω · m) | 1. 09 | 1. 18 | 1.12 | 1. 04 | 1. 04 | |
Dlús(g/cm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Seoltacht Theirmeach (KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Comhéifeacht Teirmeach Leathnú(α × 10-6/ºC) | 18 | 17 | 17 | 19 | 19 | |
Leáphointe(ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Fadú(%) | >20 | >20 | >20 | >20 | >20 | |
Struchtúr Micreagrafach | austenít | austenít | austenít | austenít | austenít | |
Maoin Maighnéadach | neamhmhaighnéadach | neamhmhaighnéadach | neamhmhaighnéadach | neamhmhaighnéadach | neamhmhaighnéadach |
Grád Cóimhiotail CuNi | Friotaíocht leictreach (20 céim mm² /m) | comhéifeacht friotaíochta teochta (10^ 6/céim) | Dlús g/mm² | uas. teocht (céim) | Leáphointe (céim) |
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 |