ASTM A519 Alloy Steel Oil Well Drill Pipe, Seamless Chromoly Tubing for Sour Service Applications Description This ASTM A519 Alloy Steel Oil Well Drill Pipe represents the highest standard of ...Xem thêm
Tin nhắn của kháchĐể lại tin nhắn.
Chưa có bình luận công khai
ASTM A519 Alloy Steel Oil Well Drill Pipe, Seamless Chromoly Tubing for Sour Service Applications