3.4345¾T´Î 3.4345¾TºÞ 3.4345¾TªO 3.4345¾T±a 3.4345¾T¿õ 3.4345¾T½u
3.4345¤Æ¾Ç¦¨¤À¦p¤U¡G
Si:0.50
Fe:0.50
Cu:0.501.0
Mn:0.10~0.40
Mg:2.6~3.7
Cr:0.10~0.30
Zn:4.3~5.2
Ti+Zr0.20
Al:Êe¶q