ASTM A572 S235 S355 Q235 Q345 Q195 Hea/Heb/Ipe Steel Beam European Standard H Beam for Building Material H-beam is an economical section and high-efficiency profile with more optimized cross-sectional ...Xem thêm
Messages of visitorĐể lại tin nhắn
No public comments yet
ASTM A572 H Shape Steel Beam S235 S355 Steel Beam Construction For Building Material