모델 번호
Steel Grating Stair Treats (T1,T2,T3,T4)
bearing bar section
25*3mm
bearing bars at 30mm pitch
550mm
bearing bars at 40mm pitch
450mm
surface treatment
hot deep galvanizing or painting
quality standard
YB/T4001.1-2007
applications
chemical,petroleum and structure industries etc.
anti-corrosive property
50+ years
fabricating method
with hydraulic resistance auto welding equipment
characteristics
high strength,light structure and anti-corrosion