Bullhead rail can be used as a guide rail 
Detailed Product Description 
Rails in Bs Standard 
BS50'O'\BS60A\BS75R\BS80A\BS90A\BS113A 
Material: U71Mn /55Q 
Standard: BS11: 1985. Length: 8-12m. 

Product name: Rails in Indian Standard 
Specification: 15KG\30KG\CR80\CR100\CR120 
Material: U71Mn 
Description: Standard: GB3426-82 

Product name: Heavy rails 
Specification: 38Kg/m\43Kg/m\50kg/m 
Material: U71Mn/50Mn 
Description: Standard: GB2585-81, fixed length 12.5m 

Product name: Light rails 
Specification: 6kg/m - 30kg/m 
Material: Q235B/55Q 
Description: Standard: GB11264-89 OR YB222-63, fixed length 6-10m. 

Product name: Rails in South a American Standard 
Specification: 15KG\ 22KG\ 30KG\ 40KG\ 48KG\ 57KG 
Material: 55Q/U71Mn 
Description: Standard: In South a American Standard. Length: 9m. 

Crane rail 
Specification: QU70\QU80\QU100\QU120 
Material: U71Mn 
Description: Standard: GB3426-82. Fixed length: 12m.