X8cral 20-6 Catalytic Converter Foil
Nominal Analysis
21.00 Cr, 6.00 Al, Bal. Fe
Max contineous working temperature: 1250º C.
Melting Temperature: 1500º C
Thickness 0.05~0.1mm, width 1-1000mm
Usage: Catalytic converters
Material 1.4767, DIN 17470
| Brand name | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 |
| Main chemical composition% | 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 | opportune
amount | opportune
amount | opportune
amount | opportune
amount | opportune
amount | opportune
amount | opportune
amount |
| Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest |
| | | | | | | Nb0.5 | Mo1.8-2.2 |
Max.continuous
service temp.of
element (ºC) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 |
Resistivity
μΩ.m,20ºC | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 |
Density
(g/cm3 ) | 7.4 | 7.10 | 7.16 | 7.25 | 7.35 | 7.10 | 7.10 |
Thermal
conductivity
KJ/m.h.ºC | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 |
Coefficient of
lines expansion
α×10-6/ºC | 15.4 | 16.0 | 14.7 | 15.0 | 13.5 | 16.0 | 16.0 |
| Melting pointºC | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 |
Tensile strength
Mpa | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 |
Elongation at
rupture % | >16 | >12 | >12 | >12 | >12 | >12 | >10 |
Variation of
area % | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 |
Repeat bending
frequency(F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 |
| Hardness(H.B.) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 |
Micrographic
structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite |
Magnetic
properties | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |
