| Grade | ISO Grade | Hardness (HRA)±0.5 | Density (g/cm3) ±0.2 | TRS Mpa(min) | Characteristics and Application |
| 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. |
