... sheet 1.grade:65Mn 2.thickness:0.1- 40mm 3.hardness:HRC25-28 unannealed/HRC48 annealed 65Mn stainless steel spring sheet1.grade ... and win together.SUS 304 decorated platethe features1.color permanency,no fading 2.the surface of it looks like many little square ... Co.,Ltd.TEL.:86-510-83630918Fax:86-510-83630958Address:No.B101-106,No.2,East Stainless Steel City,No.118,Beihuan Road,Wuxi,China. stainless ...