High manganese blow bar: while casting, we not only add molybdenum, vanadium,Titanium, nickel, boron and other rare alloy elements. Meantime, we specially adopt variety of alloy modifier to strengthen the matrix. those blow bars use refining, vacuum casting, directional solid and etc technical's to increase the grain refinement and make the hammers performance achieve the best performance. Our blow bars have successfully replaced the counter-attacking large Blow Bars of Germany Krupp, Blow Bars of Germany Aubema, counter-attacking Blow Bars of Germany Hazemag and make them nationalization.