<< Back to Water & General Application Request A Quotation Please fill in the form for any inquiry. Our representative will response to your inquiry accordingly. 1 Step 1 Name Phone Emaila valid emailemail Message0 / SUBMIT keyboard_arrow_leftPrevious Nextkeyboard_arrow_right We are Professionals ERW Steel Tubes (CSWP) Size (inches) : 4″ – 10″ Diameter (mm) : 114.3 – 273.0 Thickness : 3.60 & 4.00 Specification : SPAN TS 21827 : Part 2 : 2013 Application : For Cement Lined Pipes