国产亚洲精品久久久久9999-老色批永久免费网站www-色网站免费-久久久久久久久久一级-欧美三级欧美成人高清-91成人在线免费观看-日本做爰三级床戏-曰本女人与公拘交酡-亚洲精品日韩精品-免费看一级-国产成年无码av片在线-日韩欧美亚洲综合-少妇裸交aa大片-日韩欧美高清-国产日韩精品视频无码

Products & services


BoTn-R：Special welding wire for repairing tool joint

 Product Introduction

 The lux-cored welding wire is specially developed for the repair of drill pipe tool joint and pipe body. It can be used to repair the hardbanding of the tool joint as a bottom ?ller material. It is also suitable for repairing or rebuilding the diameter of the tool joint.。

Key Benefits of BoTn-R

· The performance of the surfacing layer is equivalent to that of the tool joint material..
· Crack free.
·Firmly combined with tool joint base material and hardbanding material.
· Good compatibility

·Excellent weldability

· Hardness range: HRC30-36

Main applications of BoTn-R

·serve as ?lling material for tool joints before hardbanding repair.
·  used to repair the full length OD wear of the tool joint..
·   Rebuild the tool joint tong space.