Ubos nga haluang metal nga structural steel: Q345, Q390, Q420, Q460, Q500, Q550, A572GR65, A572GR55, SS400, SM400, SM490, SM570, SS490 High-strength steel: Q690, Q960, WH0, WH0, WH WH 70 , HG785, HG980, WQ590, BHT80 Wear-resistant steel: (W) NM360, NM400, WNM400E, NM450, NM500, MN13 Boiler ug con...
Basaha ang dugang pa