Zeyu metal | [42crmo Rod] | 42crmo provided by Zeyu metal. We are Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com) at: Shandong Liaocheng specialized in: hexagonal hollow steel, hexagonal lance, hexagonal drill rod, alloy drill pipe, drill rod Liaocheng Zeyu mine metal products Ltd. is a large hexagonal hollow steel producers 42crmo, approved by the Shandong Provincial Foreign Economic and Trade Office, import and export management rights 42crmo circular hollow steel, is a collection of production, trade and services, new product development in one of the provincial large enterprise, company prominent location, west Beijing-Kowloon Railway, the north Ji Han-speed, the Beijing-Hangzhou Grand Canal through the city, the traffic is very convenient. The company mainly produces: Oxygen with hexagonal hollow steel smelting. Specifications: B19, B22, B25, B28, B32, B35. Oxygen hexagonal hollow steel (also known as: hexagonal hollow steel, hexagonal hollow steel, hollow hexagonal, hollow hexagonal) is a blast opening and the necessary tools to deliver oxygen. The products are 45 high carbon steel, and its Advantages: wall thickness, small 42crmo center hole drill rod, high strength, deep and open furnace consumption, oxygen consumption at the end, and low cost. Has completely replaced the steel type lance. Solder drill rod with hexagonal hollow steel specifications: B19, B22, B25, B28, B32, B35. Material: 80Cr, 55SiMnMo, 60Si2Mn, 40simncrnimo products are widely used: mining, railway, tunnel engineering, metallurgy, coal, water conservancy, mountains, quarrying, rock mining, smelting blowing company adhering to the "customer first 42crmo circle drill, forge ahead "business philosophy, adhere to the" customer first "principle to provide our clients with quality services. Liaocheng Zeyu Metal Products Co., a large professional 55simnmo hollow steel production company, is material production drill rod, drill rod is one of the main consuming tool drilling equipment, mainly used in the construction of mining and railways, roads, canals, dams , defense readiness project construction. Cross-sectional shape of the hollow steel round, hexagonal, can be divided by steel hollow carbon steel and alloy steel hollow two categories. Use can be divided Hole Drilling connecting hollow steel drill rod, drill rod drilling shallow holes and special purpose steel hollow drill rod hollow steel categories. Methods of production of hollow steel casting method, the drilling method, perforation - pull system of law, perforation - hot rolling, extrusion coating and thermal method.