Customization: | Available |
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Type: | Catalytic Converter |
Body Material: | Steel |
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Item | Unit | Standard Value | Actual measured value | Result | Inspection standard |
SiO2 | - | 50 ± 2 | 48.40 | Eligible | QB/T 2578-2002 |
Al2O3 | - | 35 ± 2 | 34.65 | Eligible | |
Fe2O3 | - | - | 0.44 | - | |
CaO | - | - | 1.49 | - | |
Mgo | - | 13 ± 2 | 12.78 | Eligible | |
Outlook quality | - | - | Meet the requirement | Eligible | XB/T 505-2003 |
Crack in the surface | - | No visible cracks available in the extremity and the flank | - | - | |
Defect in the hole wall | - | Could not exceed 0.1% extremity | - | - | |
Damage of edge | - | For each 28mmX18mm extremity, there should be less than 3 places of damage | - | - | |
Chiseled hole in the surface | - | The depth ≤ 1.6mm, the whole area of the chiseled hole ≤ 300mm2, and the girth of the hole ≤ 6.4mm2. | - | - | |
Rate of blocking hole | - | ≤ 1.0% | - | - | |
Dimension tolerance | mm | Length ≤ 100 permitted tolerance ± 1.0 | Meet the requirement | Eligible | |
Thermal expansion coefficient | ≥ 15.0X10-7 | 14.6X10-7 | Eligible | ||
Intenerate temperature | ≥ 1360 | 1364 | Eligible | ||
Heat and libration resistance | 650 | 650-8 Never crack in one time | Eligible | ||
Cubage density | g/cm3 | 0.45-0.55 | 0.50 | Eligible | |
Water absorption | % | 16.5,tolerance ± 2.0 | 16.85 | Eligible | |
Compressive strength | kg/cm2 | - | - | - | |
Axes A | - | ≥ 106 | 143.8 | Eligible | |
Axes B | - | ≥ 14.5 | 20.5 | Eligible | |
Axes C | - | ≥ 1.7 | 3.2 | Eligible | |
Cool libraest | - | - | Under the frequency of 100 ± 50H 2 , after being librated for 3 hours, there aren't any damage and cracks | - |