H Section
H Section is an extremely important and efficient steel in modern buildings and engineering structures. It is named because its cross-sectional shape resembles the English letter "H". It has significant advantages in bearing bending and axial loads.
Size Range
Wide flange H-beam:
Dimension range (mm):
Height (H): 100 - 400
Flange width (B): 100 - 400
Web thickness (t₁): 5.5 - 26
Flange thickness (t₂): 8 - 40
Medium flange H-beam:
Dimension range (mm):
Height (H): 148 - 594
Flange width (B): 100 - 302
Web thickness (t₁): 6 - 24
Flange thickness (t₂): 9 - 28
Narrow flange H-beam:
Dimension range (mm):
Height (H): 100 - 900
Flange width (B): 50 - 309
Web thickness (t₁): 5 - 26
Flange thickness (t₂): 7 - 39
Standard
GB/T 11263-2017
GB/T 33814-2017
EN 10034
EN 10025
ASTM A992
JIS G 3192
JIS G 3101/3106
Types
H-beams are classified according to the ratio of flange width to web height and specific uses:
Wide flange H-beam HW (H-Wide Flange)
Middle flange H-beam HM (H-Middle Flange)
Narrow flange H-beam HN (H-Narrow Flange)
Other classifications:
By production method: hot-rolled H-beams, welded H-beams.
By dimensional accuracy: Class A (high accuracy), Class B (ordinary accuracy).
By flange thickness: thin wall, medium-thick wall, thick wall.
Application
Industrial and civil construction
Bridge engineering
Equipment foundation and support
Marine engineering and ports
Underground engineering
Power transmission and communication towers
Vehicles and ships
简体中文版
WhatsApp
WeChat