Quick Details Standard: AISI, ASTM, DIN, GB, JIS Dimensions: Standards Grade: Q195-Q235 Place of Origin: Jiangsu, China (Mainland) Brand Name: XAK Model Number: Strut Channel Fitting Shape: Customsized, Custom Application: Construction Area Perforated Or Not: Not Perforated Product name: good quality perforated bottom steel c channel strut fitting Material: Q195/Q235/Q345/SPHC/SS304/ST41/ST50 Technique: Stamping Surface treatment: Galvanized and other Certification: CE, SGS, ISO9001 Sample: Offer for free OEM Serive: Yes Usage: 41*41 strut channel Size: Standard parts or Custom