http://www.ec21.com/ec-market/forged astm a182 f51.html http://amchina01.en.ec21.com/Pipe_Fittings--2539361_3790726.htmlASTM A234/A234M, ASTM A105/A105M, ASTM A403/A403M, ASTM A420/A420M, ASTM A182/A182M, ASTM A815/815M DIN2605, DIN2616, D20091228 http://kumwooltd.en.ec21.com/Material--1477083_1477716.htmlF51(S1803) Ni - Cr - Mn Steel : A182(F1, F12, F11, F22, F5, F9, F91) Application Code ASME ASTM JIS DIN UNS KS Forged 20090818 http://wendysteel.en.ec21.com/Sell_Forging_Fitting_ASTM_A105--3360422_3457806.htmlASTM A182 F51 UNS S31803,F53/UNS S32750,F55/UNS S32760 We're specilized in forged fitting threadolet,weldolet,sockolet20091225 http://jannock.en.ec21.com/Stainless_Steel_Pipe_Flanges--3287455_3875436.htmlASTM A 182 F12 Class 2 Flanges and Forgings ASTM A 182 F22 Class 3 Flanges and Forgings ASTM A 182 F51 Fla20091014 http://dongrixu.en.ec21.com/Stainless_Steel_Flange--2335334_3060369.htmlASTM A182 F51/F53 5) Can produce according to customers' demands reed valve special-purpose flange(flange,stainless ste20090715 http://rolexmetal.en.ec21.com/42CrMo4_42CrMoS4_Din_1.7225_Forged--2608939_3592429.html 42CrMo4 / 42CrMoS4 Din 1.7225 Forged Round Bar We are Stockholder & Distributors of AISI 1045/SAE 1045, AISI 420090606 http://megapsc.en.ec21.com/Flange--2566380_2566387.htmlA182 F321/F347 Duplex F51/F53 & (Ni-Ti Alloys) 1/2" to 108" 150# to 2500# RF Faced in all schedule ASTM A694-F52 High y20080415 http://felixinc.en.ec21.com/Industrial_Forgings--2069878_2069884.html(ASTM A182 F1, F5, F6, F7, F9, F11, F12, F22, F51...The equivalent Acc, to Din, Jis, BS...) Size Upto OD 3,500MM 20070714