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What are the processing techniques used for non-magnetic drill collars?
release time：2024-03-01
source： network
How much do you know about non-magnetic drill collar products?
The heat treatment of non-magnetic drill collars uses power frequency induction heating for quenching and tempering.During this process, the non-magnetic drill collar continuously rotates and uniformly heats the steel piece. During the quenching and hardening process, non-magnetic drill collars are particularly cooled by water spraying inside and outside the ring to achieve uniform and high strength. After full length heat treatment, the non-magnetic drill collar material can achieve a Brinell hardness of 285-341 from the pipe body. Made of AISI4145H chromium molybdenum composite steel by rolling or forging, and using appropriate heat treatment methods, the drill collars can meet the mechanical performance requirements specified in the standard. A comprehensive testing program to understand the quality indicators of the product.
Non magnetic drill collars have higher hardness than ordinary drill collars. Non magnetic drill collars are made of N1310 low-carbon alloy steel, which is forged through strict chemical composition analysis. Drill collars (ordinary drill collars) are made of AISI4145H chromium molybdenum alloy steel, which is rolled or forged, and effectively controls the chemical composition and trace element content.
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