Abrasion-Resistant White Cast Iron 3
-ASTM A532_A532M
Table 1 typical examples of abrasion-resistant materials used in different abrasive wear conditions
| Wear category | Typical quick-wear parts | performance requirement | Wear resistant materials |
| High impact chiseling wear | Cone crusher parts,
Large bucket teeth, Caterpillar board for tanks and tractors and also Jaw crusher jaw plate |
High toughness αk ≥ 150J / cm2,
High strength σb ≥ 700 MPa, High elongation δ≥ 30 % |
High manganese steel , Mn13, Mn18,
12Mn2Mo, 6Mn1Mo and High chromium white cast iron- bimetal composite cast steel |
| Medium impact chiseling wear | Impact Hammer Crusher,
Hammer head of medium and small hammer crusher, ball mill lining and also Blast furnace bell, strike plate |
High strength σb ≥ 700 MPa,
High hardness HRC ≥ 50, A certain toughness αk ≥ 10 J / cm2 |
6Cr1Mo ,12Mn2Mo,
Cr15Mo3 white cast iron, Cr – Ni – Mo white cast iron and also Cr27 white cast iron |
| Low impact chiseling wear | Hammer head of a crusher,
Ball mill liner, grinding ball, Excavator crawler board |
High hardness HRC ≥ 55,
αk ≥ 5 J / cm2 |
Ni – Hard4# ,Cr15 – Mo3 white cast iron,
Chromium white cast iron in high Si/ C and also Cr20 – Mo2 – Cu1 white cast iron |
| High stress wear | Limestone roller,
Pulverized coal grinding roll and grinding ball, hammer head, Cement grinder, Roller and bottom (scraping) plate for sanding machine |
σb = (500～600) MPa,
High hardness HRC ≥ 55 |
Cr15Mo3 (low C type) white cast iron,
Hard nickel white cast iron(Ni – Hard4#), Cr20 white cast iron, Cr20 – Mo2 – Cu1 white cast iron |
| Low stress wear | Shot blasting machine blade, guard board,
Sand nozzle, Excavator bucket teeth (small sized), Ploughshare, Griddler, Screen roller, Impurity pump overflow component Turbine blade |
High hardness HRC ≥ 55,
σb = (300～500) MPa
|
Pearlitic multivariate low alloy white cast iron,
Cr15Mo3 white cast iron, Cr15Mo3 white cast iron containing CuTiV, Chromium white cast iron in high Si/ C, Duplex stainless steel |
