When resistance is called for
you need a visible difference
Field Data
Below are just a few examples of the countless situations in which Domite® has proven to be the premium abrasion and impact resistant material available.
Example Study 1
Trial: Cost per ton of copper produced over a period of ~18 months
Location: Canada’s largest open pit mine. In pit crusher, transfer point, discharge feeder to conveyor tail.
Conditions: Hard rock, base metal ore.
Average Size: 600 mm (24”).
Drop: 8 m (26 ft).
Temp Range: -20C – +32C
Data: Original Skirtboards made from 2” thick 500 BHN Abrasion Resistant Overlay Plate Domite® Skirtboards made from 1” thick Domite® on ¼” mild steel backing plate.
Records: Maintenance reported on – time to change Skirtboards, cost of new Skirtboards, tonnage of ore passing over Skirtboards.
|
SKITBOARD |
TONNES/ |
COST INDEX |
COST PER TONNE INDEX |
CREW HOURS/YEAR |
MAINTENANCE INTERVAL |
|
2” 500 AR Plate |
783, 095 |
1 |
1 |
217 |
15 Days |
|
1” Domite® |
6, 695, 517 |
5.5 |
0.64 |
29 |
4 months |
In addition to Domite’s® cost being lower per ton, the real savings is in the fact that the Domite® Skirtboards need to be changed only once every 4 months as opposed to once every 2 weeks. This now frees up maintenance crews, simplifies scheduling and increases productivity.
Example Study 2
Application: Large double dump hopper walls lined with Domite® plates in areas subjected to the most severe wear and impact built to handle the extremely abrasive Athabasca Oilsands.
Results: With a targeted life of 2 years, after 26 months measured wear is < 1/3 the thickness of the abrasion resistant wearing surface of the Domite®.
Example Study 3
Application: Trial was conducted on a Caterpillar 992C large loader bucket. Data: 1” 425 HB AR Plate with a hard face weld Overlay pattern was used to protect bolts on the upper lip. 1” Domite® on ¼” Mild Steel was placed in-front of the bolts.
Results: The Overlay averaged 600 operating hours between changes. Domite® averaged 4000 operating hours between changes.
During a separate trial at the same location the following data was obtained from a 72” Aisco Feeder for raw ore.
|
MATERIAL |
DAYS LIFE |
MATERIAL COST |
LIFE INDEX |
|
½” CHT 360 |
87 |
U/A |
U/A |
|
½” CHT 425 |
146 |
1 |
1 |
|
½” Chromium Carbide Weld Overlay (1/4” on ¼”) |
395 |
1.57 |
2.71 |
|
1” Domite® (13/16” on 3/16” MS) |
1321 |
8.38 |
9.05 |
These were material costs only, labour and savings in downtime were not considered. Original ½” CHT 425 plates gave 6-7 months life. Current experience is 2 – 2 ½ years life from Domite® Plates
Source taken from Falconbridge Kidd Creek Mine.
Typical Data Numbers:
- Domite® life is 50% greater than that of Ni Hard Irons.
- At least 7 times longer than A.R. type steels 360/400 BHN
- 5 times the wear rate of Manganese Steel
- 3 times the wear rate of Tapco Weld Hardfacing
- 4 times the wear rate of Astralloy-Vulcan
- 16 times the wear rate of Carbon Steel
- 3 times the wear rate of 500 BHN A.R. Plate
The following data was obtained from Mine Truck Bed Liners over a 6 month interval.
|
MATERIAL |
DOMITE® |
HARDFACING |
ASTRALLOY |
CARBON STEEL |
360 BHN A.R. Plate |
400 BHN A.R. Plate |
500 BHN A.R. Plate |
Mang. Alloy |
HEFLIN 500 |
|
BHN (Rc) |
694 (62.4) |
584 (56.3) |
472 (49.3) |
99 (N/A) |
357 (38.7) |
437 (46.4) |
496 (51.1) |
425 (45.4) |
500 (51.3) |
|
Thickness – New |
0.784 |
1.170 |
0.660 |
0.780 |
0.630 |
0.618 |
0.640 |
0.674 |
0.780 |
|
Thickness – Worn |
0.755 |
1.090 |
0.549 |
0.325 |
0.419 |
0.466 |
0.546 |
0.530 |
0.685 |
|
Loss (in.) |
0.029 |
0.080 |
0.111 |
0.455 |
0.211 |
0.152 |
0.094 |
0.144 |
0.095 |
|
Wear Rate vs Domite® |
1 |
2.8 |
3.8 |
15.7 |
7.3 |
5.2 |
3.2 |
5 |
3.8 |
Source taken from AMAX INC.
Copyright 2009 Domite Wear Technology Inc.
Phone: 519-442-3129 Fax: 519-442-2604 Email: domite@execulink.com