If you are planning to buy 660 stainless steel China from professional 660 stainless steel,Website:http://www.beallindustry.com, 660a stainless steel, 660d stainless steel, astm 453 round bar manufacturers China and suppliers China, please feel free to contact Beall Industry Group, equipped with productive factory, we are always at your service.GB/TUNSTrademarkJISGH2132N66286IncoloyA-286SUH660Chemical Composition:Grade%FeNiCrMoBP660MinRest2413.510.001Max27161.50.010.03AlTiCMnSiVS1.750.10.42.350.08210.50.02Physical Performance:Density7.93 g/cm³Smelt Point1364-1424H*TT*SY*SElHardnessRm N/mm2RP0.2N/mm2A5 %HBSolution61027030≤321