China Stone Impact Crusher Parts suppliers Bowl bar for NP1313 impact crusher Applications : lmpact crusher is important equipment in concrete production,road-building and construction wasterecycle.The main spare parts are blow bar and liner plate. Our blow bars and impact plate employ theexternal refining technology effectively reduced the harmful elements,inpurity, oxygen and hydrogenharm, greatly enhanced the abrasion resistance and impact toughness of the steel. Using proprietarymetamorphic agent for modification treatment, fine grains, improve carbide configuration and distribution,and to improves the abrasion resistance and tenacity. After heat-treatment process, the hardness ofHongfei blow bar can reach to HRC58-63. CHROME High Wear resistance Feed size needs controlled due to risk of breakages Will not tolerate steel in feed Available as Medium chrome and High chrome Used in secondary, tertiary asphalt applications (as long as no unbreakable in feed) Impact Crusher: Bowl bar Product Show China Stone Impact Crusher Parts suppliers website:http://www.dumajx.com/stone-impact-crusher-parts/