Numerical prediction of the liquidus temperature of gear steels on line 齿轮钢液相线温度预报技术
Case hardening grade alloy gear steel 渗碳皮硬级合金齿轮钢
Present situation and quality control of 20crmntih gear steel in laiwu steel 齿轮钢的质量现状与质量控制
Founded in 2000 , we mainly produce and export all kinds of steel products , mainly products are mild steel wires , h beams , carbon round steel , alloy structual steel , ipe and so on 公司成立于2000年,主营优特钢,型材,拉丝用线材,钉屑,废钢,碳结钢,齿轮钢,合结钢,主要出口到欧洲,东南亚,中东,南美,北美国家。