... world,In addition,We can also deal with rail processing for more detalis.pls contact purchasing( ... at gmail dot com).thanks Steel Rail1. Light Rail Specification: 12kg/m,15kg/m, 18kg/m, ... , 55Q Standard: YB222-63, GB11264-89 LIGHT RAIL GB112064-89SIZEHEAD(mm)HEIGHT(mm)BASE(mm)WEB(mm ... U71Mn12.5GB 50KG1527013215.551.51450Mn/U71Mn12.5 3. Crane Rail Specification: QU70, QU80, QU100, QU120 Unit Weight: ...