Channel is the strip steel section with a groove shape. Channel steel is carbon structural steel which used in the construction and machinery. It is the section 

steel in a complex section. Channel steel is mainly used for building structure, the curtain wall engineering, machinery and vehicle manufacturing etc.

Specification of Channel Steel

1 Standard: AISI, ASTM, BS, DIN, GB, JIS
2 Grade: SS400,Q235A,Q235B,Q345,Q345B,etc
3 Main material: SS400,Q235A,Q235B,Q345,Q345B,A36,S235JR,ST37,etc
4 Type: equal & unequal.
5 Size: (20*20*2mm)-(200*200*25mm)
6 Length: 6m, 12m or as you require.
7 Tolerance: according to the standard
8 Production technics: Hot rolled, cold bend
9 Surface treatment: Hot dip galvanized, cold dip galvanized, black.
10 Zinc coating: 15-80um or 120-600g/m2

1. Drawing:

Application of Channel Steel for Shipbuilding
- Framework of construction and engineering
- Steel tower
- Building
- Construction joint
- Derrick frame and so on, etc