High quality U channel Steel grade: SS400B Model type: 75x40, 100x50, 50x20, 125x65, 150x75 Standard: JIS standard U channel specification:U channelItem: U channelStandard ... Standard JIS standard Steel grade SS400B Model type 75x40, 100x50, 50x20, 125x65, 150x75 Technique Hot rolled u channel Certificate ISO 9001:2008 Length ...