45CR9SI3成分：C：（0.17 ～0.24）％si：（0.17 ～0.37）％Mn ：（ 0.35 ～0.65）％p：≤0.040％s：≤0.040％s：≤0.040％yoying yoying acying點Σ 445CR9SI3MPA擴展δ：不少于25％的截面收縮率ψ：不少于55％

　　影響韌性A^K

　　45CR9SI3板可以分別稱為45CR9SI3不銹鋼Board, 45CR9Si3 steel plate, 45CR9Si3 roll plate, 45CR9Si3 open tablet, 45CR9Si3 band steel, 45CR9Si3 cold rolled plate, 45CR9Si3 hot rolled plate, 45CR9Si3 thin plate, 45CR9Si3 plate, 45CR9Si3 thick plate, 45CR9Si3 extra plate, etc.

　　45CR9SI3棒可以分別稱為45CR9SI3不銹鋼Round Steel, 45CR9SI3 round steel, 45CR9Si3 plate circle, 45CR9Si3 wire, 45CR9SI3 silk material, 45CR9Si3 forging circle, 45CR9Si3 round stick, 45CR9Si3 black stick, 45CR9Si3 light circle, 45CR9Si3 car light, 45CR9SI3 hot -rolled steel, 45CR9SI3 hot -rolled steel, 45CR9SI3熱滾動鋼，45CR9SI3熱滾動鋼，45CR9SI3熱滾動鋼，45CR9SI3熱滾動鋼，45CR9SI3熱滾動鋼，45CR9SI3熱滾動鋼，45CR9SI3熱滾動鋼

　　45CR9SI3管道分別稱為45CR9SI3不銹鋼管道，45CR9SI3鋼管，45CR9SI3不銹鋼無縫管，45CR9SI3無縫管，45CR9SI3不銹鋼焊接管，45CR9SI3焊接管，45CR9SI3不銹鋼精密管道，45CR9SI3精密管，45CR9SI3毛細管等。

　　日本45CR9SI3，US 45CR9SI3 US標準，德國45CR9SI3，瑞典45CR9SI3，進口45CR9SI3國家標準

　　Baosteel 45CR9SI3，TAI ISTANG 45CR9SI3，新鐵路45CR9SI3，日本冶金45CR9SI3，Titeson Krupp 45cr9si3，Ortukunp 45cr9si3，日本家庭45CR9SI3 CR9SI3