Fire flat ax ax handle piles of wood, an ax handle and a total length of 910mm, the moisture content of not more than 16%. Fire ax ax handle wood surface is smooth and free from rot, knots, and moth-eaten holes and coated with varnish. Fire flat ax the blade hardness to HRC 
 48-56, the fire flat ax ax the blade should be able to cut 10mm diameter of Q 
 235A round bar, and the edge should be no obvious lack of edge, curling and cracks. 
 Fire flat ax side can withstand the blade 40mm, 8kg hit breaking bending. Fire flat ax ax ax handle pull away from the force should be greater than 15000N