Standard: AISI, ASTM, BS, DIN, GB, JIS Grade: Steel Q235 Rail Heigth: 69.85-185.74mm Bottom Width: 69.85-152.4mm Web Thickness: 7.54-38.1mm Head Width: 38.1-109.86mm Length: 20FT,30FT,33FT,40FT,60FT, Changeable as per Requirement Place of Origin: Jiangsu, China Brand Name: ALEX Model Number: RSSR Type: Light Rail Application: Railway Rail Weight: 12.4kg/m,14.88kg/m,19.84kg/m,etc. Secondary Or Not: Non-secondary Bolt Hole Diameter: As Per Construction Dwg Name: S22 Steel Mine Using Light Rail Other name: Light Steel Rail 55Q Quality Control: Inspection on each workshift/new batch material/machine adjustment Service: Manufacturing, Designing, OEM Processing: Rolling Guarantee: According to Contract Material: Steel Q235 Certificate: ISO, SGS, TUV Inspection: Domestic or Appointed