含铁类合金中的基本或主要金属是铁质。
Ferrous alloys are those in which the base or primacy metal is iron...
当“退火”这个术语用于铁类合金而又无其他限制条件时，指的是完全退火。
When the term "annealing" is applied to ferrous alloys without qualification, full annealing is implied.
重点介绍了按金相组织分类的贝氏体、马氏体类合金结构钢和铁素体、马氏体、奥氏体类不锈钢合金焊丝的生产工艺。
It mainly introduces the production processes of alloy structural steel welding wires of bainite and martensite and stainless steel welding wires of ferrite, martensite and austenite.
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