Steel Type	Standard	Country Code	Si(%)	Al(%)	Cu(%)	More
CuBe2	17666	DIN			鈮�97	More
C1720W	11188	CNS	鈮�0.2	鈮�0.2	鈮�96.9	More
C1720W	H3270	JIS			鈮�96.9	More