Specification for HJS sintered metal in diesel particulate filters
1. Material description
STM53W
2. Composition
Support material:
Metal powder:
Heat-resistant chrome-nickel steel
Superfine metal powder made of heat-resistant chrome-nickel steel
3. Properties
Surface weight:
Thickness:
Porosity:
Pore size:
Permeability:
differential pressure to air
Filter efficiency:
 
Elongation at break:
Melting point:
Thermal shock rate:
Permanent operating temperature:
Soot loading:
1.600 g/m2
0,38 mm
45% incl. support structure
15 µm (MFP - Mean Flow Poresize)
100 m3/(m2 o h) at 200 Pa
 
>95%, soot mass from diesel engine
>99%, number of particulates
40% (x-axis), 20% (y-axis)
1.360°C
>1.000 K/s
=850°C

20 - 25 g/m2
Citaro Bus VGF
Komatso digger