30CrMnSiA Grade Drilling Pipe: High Strength, Corrosion Resistance & Weldability for Demanding Oilfield Applications The 30CrMnSiA-grade drilling pipe is a premium low-alloy high-strength ...Смотрите больше
Сообщения посетителяОставьте сообщение
Пока нет комментариев
30CrMnSiA Seamless Steel Oil Well Pipe DIN2391 Standard Drilling Rod Tube for High-Pressure Drilling