00:18
กระบวนการเจาะหมุนร้อน
คําอธิบายวีดีโอ
Discover the hot rolling piercing process used to manufacture EN 10025-2 S235JR structural steel pipes. These hot-rolled non-alloy steel tubes are ideal for building and construction, offering excellent weldability and versatility.
02:50
00:30
