Steel steel flanges  Material	Carbon steel	 ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2, P245GH   		P250GH, P280GHM 16MN, 20MN ,20#   	Stainless steel	 ASTM A182, F304/304L, F316/316L  	Alloy steel	ASTM A182 A182 F12,F11,F22,F5,F9,F91etc.  Standard                           	ANSI	Class 150 steel flanges-Class 2500 steel flanges  	DIN	6Bar 10Bar 16Bar 25Bar 40Bar  	JIS	5K steel flanges-20K steel flanges  	UNI	6Bar 10Bar 16Bar 25Bar 40Bar  	EN	6Bar 10Bar 16Bar 25Bar 40Bar  TYPE	1.Welding neck steel flange    2.Slip on  	3.Blind flange                   4.Long welding neck flange     	5.Lap joint flange             6.Socket welding  	7.Threaded flange           8.Flat flange  Surface	Anti-rust oil, clear lacquer, Black lacquer, Yellow lacquer,hot-dipped Galvanized,electrical galvanized  Connection	Welding, Threaded  Technical	Forged, Casting  Size	DN10-DN3600  Package	1.>Standard export packaging (Plywood Case Of Outside,Plastic Cloth Of Inside). 2:As Customers' Requirements                           Heat Treatment	Normalizing, Annealing, Quenching Tempering  Certificate	TUV,ISO9001:2008;PED97/23/EC,ISO14001:2004,OHSAS18001:2007  Applications	Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry,and general pipes connecting projects etc.