WD-M3 Smooth surface
Smooth Surface
Chromium Carbide Overlay Plate
ADVANTAGE:
* Smooth surface, single pass overlay, No surface weld beads
* Consistent microstructure and hardness down to fusion line
* Low friction co-efficient
* Excellent abrasion and impact resistant properties
* Operating temperature <600℃
* Optional in unique non-magnetic overlay
* Available in mill and pre-polished surface finish
TYPICAL TECHNICAL STANDARD
|
Grade |
Chemical composition |
|||||||
|
|
C |
Cr |
Mn |
Si |
B |
S |
P |
Nb+Mo+Ti+V+W |
|
WD-M3 |
2.0-5.0 |
18-35 |
<1.5 |
<1.2 |
<0.6 |
<0.033 |
<0.033 |
<1.5 |
|
WD-M7 |
2.0-5.0 |
18-28 |
<1.5 |
<1.2 |
<0.4 |
<0.033 |
<0.033 |
7-10 |
| Basic Elements |
WD-M3 |
WD-M7 |
| Base material |
Q235B |
Q235B |
| Main alloy hard phase |
Chromium carbide |
Chromium carbide + Composite carbide |
| Primary carbide volume (%) |
>37 |
>37 |
| Overlay Hardness by HV (HRC) |
670 (58) |
670 (58) |
| Rubber weheel abrasion test with dry sand (g) |
<0.15g |
<0.14g |
| Impact abrasion test (g) |
<0.10g |
<0.08g |
| Standard thickness (mm) |
5/5, 6/7, 8/9, 10/11, 12/11, 17/11 |
17/11, 20/11, 24/13 |
| Standard plate size (mm) |
1000*3000, 600*3000 |
600*3000 |
| Recommended application |
Common abrasion |
Extreme abrasion |
