He ʻano kila ka lāʻau kanal me ka lāʻau kila u, a ʻike ʻia hoʻi ʻo U beam, u shaped beam, C steel, C beam, a me nā inoa ʻē aʻe ma muli o kona ʻano e like me ka huapalapala U. ʻokoʻa paha ke kapa kila. Aia nā kaola U ma lalo o ke kaomi kiʻekiʻe a hoʻohana ʻia i nā koʻu kumu.
KUMU ALOHA
NUI: 20X20X2MM-250X250X35MM
Hōʻike manaʻo
GB787-1988, JIS G3192, DIN1028, EN10056
Mea Hoʻohālikelike
JIS G3192, SS400, SS540
EN10025, S235JR, S355JR
ASTM A36, GB Q235, Q345 a i ʻole like