... .48,ASME B16.47,API 590China:GB/T9112~GB/T9124-2000,GB/T2506-1989(2005),GB/T2504-1989(2005),GB/T10746-1989,GB/T4450-1989Germany:DIN 2573~2576,DIN ... ,N08811,Titanium alloy, Alloy steel etc.Carbon manganese steel:20# / Q235B / A105,16Mn,F11,F13Size:1/2’—120’(DN15—DN3000),VARIOUSRate ...