... is 304 316 316l etc. Product name Japanese Type Chain 6mmIt is stainless steel link chain1).size:6mm 2).Material ... or without welded4).Grade:G305).Useing: hanging down,shopping basket,chain lock,lever block6)Standard:Japanese standard,Australia standard,DIN766,DIN763 ... ,DIN5685,Korean standard,American ASTM80,Nacm8 4/90, U.K standard7)Finishing: elegant shape ,full plump welding, ...