| Grade | Suitable working condition | Suitable performance | Example of application |
| NM360 | wear resistant condition with hight toughness requirement | high crack resistant;good welding performace | blade plates,crushers and tear tools,etc |
| NM400 | wear resistant condition | good cold bending;good welding performance | crushers,chutes,hoppers,crane booms,cutting edges,conveyor troughs,buckets,gear,sprockets,truck dump bodies,shovels,industrialtrucks,railway wagon,bulldozers,excavators,concrete mixer drums,skrew conveyor,etc |
| NM450 | wear resistant condition | good cold bending;good welding performance | truck dump bodies,container,crushers,screens,chutes,hoppers,mobile man-lifts,cutting edges,Transporttrailers,buckets,gears,sprockets,etc. |
| NM500 | wear resistant condition | --- | crushers,screens,chutes,hoppers,crane booms,cutting edges,conveyor,huckets,gears,sprockets,etc |