Φ34*1000mm、Φ50*1000mm、Φ63*1000mm、Φ63.5*1000mm、Φ73*1000mm Three arris arc convex arris gas drainage drill pipe is called three arris drill pipe for short. According to the connection mode of joint, it can be divided into taper thread type and hexagonal plug type.The rod body is made of medium carbon alloy steel pipe, and the joint is made of 42CrMo material, which is formed by high-pressure treatment and vacuum quenching and tempering treatment. With its technical strength, product quality and perfect service system, Shandong Yikuang Drilling and Production Technology Co., Ltd. has established a good corporate image in the field of mining triangular drill pipe.Choose beneficial mine, choose and safety, choose trust and guarantee.
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