|
产品
|
规格
|
材质
|
产地
|
|
Q345D槽钢规格
|
20#b
|
Q345D
|
天津
|
|
Q345D槽钢规格
|
36#b
|
Q345D
|
天津
|
|
Q345D槽钢
|
30#b
|
Q345D
|
天津
|
|
Q345D槽钢
|
12.6
|
Q345D
|
天津
|
|
Q345D槽钢
|
28#b
|
Q345D
|
天津
|
|
Q345D槽钢
|
32#b
|
Q345D
|
天津
|
|
Q345D槽钢
|
32#c
|
Q345D
|
天津
|
|
Q345D槽钢
|
25#a
|
Q345D
|
天津
|
|
Q345D槽钢
|
6.3#
|
Q345D
|
天津
|
|
Q345D槽钢
|
5#
|
Q345D
|
天津
|
|
Q345D槽钢
|
18#b
|
Q345D
|
天津
|
|
Q345D槽钢
|
22#a
|
Q345D
|
天津
|
允许偏差
(mm)
高度h ±1.5 ±2.0 ±2.0 ±3.0 ±3.0
腿宽b ±1.5 ±2.0 ±2.5 ±3.0 ±3.5
腰厚d ±0.4 ±0.5 ±0.6 ±0.7 ±0.8
弯腰挠度不应超过0.15d
通常长度5 ～12m 5 ～19m 6 ～19m