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imn krom aluminijeva električna grelna zlitina. Imn Krom-aluminijeva električna grelna zlitina. Uporabite eno najlažjih elektrotermičnih zlitin. Ima značilnosti velike upornosti, majhnega temperaturnega koeficienta upora, dobre oksidacijske odpornosti in visoke temperature (1400 stopinj).
Kemična sestava: GB/T1234-95
Razred zlitine | C | P | S | Mn | Si | Cr | Ni | Al | Fe | druga |
Ne več kot | ||||||||||
1Cr13Al4 | 0.12 | 0.025 | 0.025 | 0.70 | ≤1.00 | 12.0 ~ 15.0 | - | 4.0 ~ 6.0 | yu | - |
0Cr25Al5 | 0.06 | 0.025 | 0.025 | 0.70 | ≤0.60 | 23.0 ~ 26.0 | ≤0.60 | 4.5 ~ 6.5 | yu | - |
0Cr23Al5 | 0.06 | 0.025 | 0.025 | 0.70 | ≤0.60 | 20.5 ~ 23.5 | ≤0.60 | 4.2 ~ 5.3 | yu | - |
0Cr21Al6 | 0.06 | 0.025 | 0.025 | 0.70 | ≤1.00 | 19.0 ~ 22.0 | ≤0.60 | 5.0 ~ 7.0 | yu | - |
1Cr20Al3 | 0.06 | 0.025 | 0.025 | 0.70 | ≤1.00 | 18.0 ~ 21.0 | ≤0.60 | 3.0 ~ 4.2 | yu | - |
0Cr21Al6Nb | 0.05 | 0.025 | 0.025 | 0.70 | ≤0.60 | 21.0 ~ 23.0 | ≤0.60 | 5.0 ~ 7.0 | yu | NbZnesek dodan k 0.5 |
0Cr27Al7Mo2 | 0.05 | 0.025 | 0.025 | 0.20 | ≤0.40 | 26.5 ~ 27.8 | ≤0.60 | 6.0 ~ 7.0 | yu | MoZnesek dodan k 1.8~2.2 |
Upornost mehke žice:
Razred zlitine | premer, mm | Električna upornost μΩ·m (20 ℃) |
1Cr13Al40Cr25Al50Cr23Al50Cr21Al61Cr20Al30Cr21Al6Nb | 0.03 ~ 8.00 | 1.25±0.081.42±0.071.35±0.061.42±0.071.23±0.061.45±0.07 |
0Cr27Al7Mo2 | 0.03 ~ 8.00 | 1.53 0.07 ± |
Velikost: mm
Žična palica | Emajlirana ali gola žica | Gola žarilna nitka | ||
premer | 0.02 ~ 1.2 | premer | >0.02~6.0 | |
Strip trak | debelina | 0.05 ~ 3.5 | širina | 6 ~ 100 |
Ploščata žica | debelina | 0.08 ~ 0.8 | širina | 0.2 ~ 10.0 |
Upornost traku:
Razred zlitine | premer, mm | Električna upornost μΩ·m (20 ℃) |
1Cr13Al40Cr25Al50Cr23Al50Cr21Al61Cr20Al30Cr21Al6Nb0Cr27Al7Mo2 | 0.05 ~ 3.50 | 1.25±0.081.42±0.071.35±0.071.42±0.071.23±0.071.45±0.071.53±0.07 |