Liaocheng Zeyu Metal Products Co., Ltd. is a large hexagonal hollow steel production enterprise, the company mainly produces: blowing with hexagonal hollow steel smelting. Specifications: B19, B22, B25, B28, B32, B35. Oxygen with hexagonal hollow steel (also known as: hexagonal hollow steel, hexagonal hollow steel, hollow hexagonal, hollow hexagonal) is open and the necessary tools to deliver blast of oxygen. This products are 45 high-carbon steel, and its Advantages: Thickness 40simncrnimo, center hole, high strength 40simncrnimo steel furnace deep and consume small 40simncrnimo Rod, oxygen consumption at the end, and low cost. Has been completely replaced the oxygen lance pipe type. Solder with a hexagonal hollow steel drill rod specifications: B19, B22, B25, B28, B32, B35. Material: 80Cr, 55SiMnMo, 60Si2Mn, 40simncrnimo Zeyu Metal Products Co., Ltd. Liaocheng large specialized manufacturer 40simncrnimo 55simnmo hollow steel bar, a material produced drill rod, drill rod is one of the major consuming tool drilling equipment, the main application the construction of mining and the construction of railways, roads, canals, dams, defense readiness of the project. Sectional shape of a hollow steel round, hexagonal, steel can be divided according to the hollow carbon steel and alloy steel hollow two categories. Use can be divided into the deep hole drilling hollow steel drill rod connection, shallow hole drilling hollow steel drill rod drill rod and specialty uses hollow steel categories. Production methods are hollow steel cast pipe method, drilling method, perforated - pull system of law, perforated - hot rolling, hot extrusion coating method and the like. 40simncrnimo Rod _40simncrnimo_ Zeyu provided by Zeyu metals. If you have any questions about this information or consultation, please contact us now! Our Company: Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com) Contact: Mr. Sun, or click on "Business League call" direct dialogue with us!