Q345 isina musono pombi ndeye yakaderera alloy akatevedzana - yakaderera alloy yakakwira simba rekuvaka simbi (GB / t1591-1994).Q345A, B, C, D uye E ndiwo mamakisi anomiririra emhando iyi yesimbi.Kana ichienzaniswa nekabhoni structural simbi, Q345A ine zvakanakira kusimba kwepamusoro, kuita kwakanaka kwakazara, hupenyu hurefu hwesevhisi, huwandu hwekushandisa uye hune hupfumi.Inoshandiswa zvakanyanya mumabhiriji, ngarava, boilers, mota uye zvakakosha zvivakwa zvekuvaka.