沈阳舞久西哥进出口贸易有限公司 Shenyang Five Sigma IMP/EXP Trading CO., LTD 主要经营产品: 1.钎杆 钎杆是采矿、炼钢厂与基础建设领域中井巷工程连接钻头和凿岩以及废钢的长杆圆锥形机具,材质40CrNiMo,具有较好的强度、硬度、韧性、冲击性能、耐磨性能等等,例如产品硬度:外商要求HRC58-62,乙方生产检验达到HRC56-59,根据乙方多年经验,此硬度为钢厂打废钢现场使用的较佳状态。 The striker pin (chisel) The striker pin that is chisel is a long conical machine part for connecting the drill bit and drilling rock, steel scraps in the fields of mining, steel mill and infrastructure construction, with the material 40CrNiMo,and with good strength, hardness, toughness, impact performance, wear resistance and so on. For example, the hardness of the product: the foreign buyer requires HRC58-62, but our production inspe..