| Grade |
ISO Grade | Hardness (HRA)±0.5 |
Density (g/cm3) ±0.2 |
TRS Mpa(min) |
Characteristics and Application |
| MR005 | K10 | 92.8 | 14.75-14.90 | 2400 | Sub-micron grain, suitable for cutting paperboard, Fiber optic,
Leather. Apply to finish machining of non-ferrous metals and
woodworking tools. |
| MR006 | K10-K20 | 91.8 | 14.85-15.00 | 2400 | Fine grain, apply to cutting non-ferrous metals, glass drill,
dental drill etc. |
| MR010 | K05 | 92.3 | 14.55-14.7 | 2500 | Sub-micron grain, apply to cutting composite material ,finish
machining of non-ferrous metals and woodworking tools. |
| MR011 | K20 | 91.3 | 14.55-14.7 | 2500 | Fine grain, mainly used for woodworking blade and tobacco machine
cutter. |
| MR012 | K10-K20 | 93.5 | 14.50-14.65 | 3300 | Ultra-fine grain, apply to process of glass fiber reinforced
plastics(GRP),titanium alloy, high hardness quenched steel. |
| MR015 | K10-K20 | 92.8 | 14.45-14.6 | 3000 | Ultra-fine grain, apply to machining of gray cast iron and
heat-resisting alloy. |
| MR016 | K30 | 90.2 | 14.50-14.65 | 2600 | Medium grain, apply to cutting asbestos ,machining of low hardness
gray cast iron. |
| MR020 | K20-K30 | 91.8 | 14.35-14.50 | 3000 | Sub-micron grain, apply to cutting corrugated board ,chemical
fiber, plastics, leather, battery pole pieces ,all kinds of milling
cutters and hole-machining tools. |
| MR021 | K20-K30 | 90.5 | 14.38-14.53 | 2800 | Fine grain, mainly used for woodworking blade and tobacco machine
cutter. |
| MR022 | K30 | 89.5 | 14.4-14.55 | 2700 | Mainly used for regular sealing ring, die, wear part, mining tools
and machining of non-ferrous cutting blades. |
| MR025 | K10-K20 | 92.5 | 13.95-14.10 | 3500 | Ultra-fine grain, apply to cutting corrugated board, paperboard,
leather, composite materials, machining of gray cast iron and
heat-resisting alloy. |
| MR026 | K40 | 89.5 | 14.15-14.30 | 3000 | Fine grain, mainly used for woodworking blade and tobacco machine
cutter,suitable for cutting plastics, paper. |
| MR027 | K40 | 89 | 14.22-14.37 | 3000 | Medium grain, used for cutting plastics, and rough machining of
non-ferrous metals. |
| MR030 | K40 | 90.5 | 13.95-14.1 | 3200 | Sub-micron grain, superb abrasive resistance and toughness, apply
to woodworking cutters,cutting corrugated board, battery pole
pieces etc. |
| MR040 | K40 | 89.8 | 13.80-13.95 | 3200 | Sub-micron grain, superb abrasive resistance and toughness, apply
to woodworking cutters, rolling shear blades,suitable for cutting
paperboard . |
| MR041 | K40 | 89 | 13.95-14.10 | 3200 | Fine grain, apply to cutting non-ferrous metals. |
| MR042 | K40 | 87.5 | 13.95-14.10 | 3000 | Medium grain, apply to regular sealing ring, die, wear part, mining
tools and machining of non-ferrous cutting blades, rolling shear
blade, weld assembly. Suitable for cutting paper, nonferrous
metals. |
| MR050 | | 91 | 13.6-13.8 | 3600 | Ultra-fine grain, apply to machining of gray cast iron and
heat-resisting alloy. |
| MR055 | K40 | 86.3 | 13.65-13.80 | 2800 | Medium grain, apply to regular sealing ring, die, wear part, mining
tools and machining of non-ferrous cutting blades, rolling shear
blades etc. |
