Round steel

model

φ3.5
φ4
φ5
φ5.5
φ5.6
φ6
φ6.3
φ6.5
φ7
φ7.5
φ8
φ9
φ10
φ11
φ12
φ13
φ14
φ15
φ16
φ17
φ18
φ19
φ20

φ21
φ22
φ24
φ25
φ26
φ28
φ30
φ32
φ34

Round steel refers to the steel bar with a circular section. Its specification is expressed in

diameter, such as "50mm" means the round steel with a diameter of 50mm.

Round steel

section  area
9.62
12.57
19.63
23.76
24.63
28.27
31.17
33.18
38.48
44.18
50.27
63.63
78.54
95.03
113.10
132.70
153.90
176.70
201.10
227.00
254.50
283.50
314.20

346.40
380.10
452.40
490.90
530.90
615.80
706.90
804.20
907.90

weight（kg/m）
0.075
0.098
0.154
0.187
0.193
0.222
0.245
0.260
0.302
0.347
0.395
0.499
0.617
0.746
0.888
1.04
1.21
1.39
1.58
1.78
2.00
2.23
2.47

2.72
2.98
3.55
3.85
4.17
4.83
5.55
6.31
7.13