Analiżi nominali
27.00 cr, 7.00 AL, 2.00 mo, Bal. Fe
Temperatura ta 'ħidma kontieous massima: 1400 C.
Dijametru tal-wajer: 0.5 ~ 12mm
Temperatura tat-tidwib: 1520 C
Reżistività Elettrika: 1.53 ohm mm2 / m
Intuża b'mod estensiv bħala elementi ta 'tisħin f'forn industrijali u fran elettriku.
Għandha inqas saħħa sħuna minn ligi Tophet iżda punt ta 'tidwib ferm ogħla.
Shanghai Tankii Alloy Material Co., Ltd.
Kompożizzjoni kimika u proprjetà ewlenija ta 'liga ta' reżistenza Fe-Cr-al | ||||||||
Propjetajiet \ Grad | 1Cr13Al4 | 0Cr25Al5 | 0Cr21al6 | 0Cr23Al5 | 0Cr21al4 | 0Cr21al6nb | 0Cr27Al7mo2 | |
Kompożizzjoni kimika ewlenija (%) | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 22.5-24.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.0 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
Re | opportun | opportun | opportun | opportun | opportun | opportun | opportun | |
Fe | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | |
NB0.5 | Mo1.8-2.2 | |||||||
Temperatura ta 'Servizz Kontinwu Max (OC) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Resivività 20oC (ω mm2 / m) | 1.25 ± 0.08 | 1.42 ± 0.06 | 1.42 ± 0.07 | 1.35 ± 0.07 | 1.23 ± 0.07 | 1.45 ± 0.07 | 1.53 ± 0.07 | |
Densità (g / cm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
Konduttività termali | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 | |
(KJ / m @ h @ oc) | ||||||||
Koeffiċjent ta 'espansjoni termali (α × 10-6 / oc) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 | |
Punt ta 'tidwib approssimattiv (OC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
Qawwa tat-tensjoni (N / mm2) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
Telgħa (%) | > 16 | > 12 | > 12 | > 12 | > 12 | > 12 | > 10 | |
Varjazzjoni tat-taqsima | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Rata ta 'tiċkien (%) | ||||||||
Frekwenza ripetutament liwja (F / R) | > 5 | > 5 | > 5 | > 5 | > 5 | > 5 | > 5 | |
Ebusija (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Ħin ta 'servizz kontinwu | no | ≥ 80/1300 | ≥ 80/1300 | ≥ 80/1300 | ≥ 80/1250 | ≥ 50/1350 | ≥ 50/1350 | |
Struttura mikrografika | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
Propjetà manjetika | Manjetiku | Manjetiku | Manjetiku | Manjetiku | Manjetiku | Manjetiku | Manjetiku |