铁素体不锈钢
Ferritic stainless steel
铁素体不锈钢退火后的组织，基本上足铁素体加少许碳化物。具有较好的塑性和耐腐蚀性，但强度不高，焊接和成型性能较好。
The microstructure of ferritic stainless steel after annealing is basically ferrite plus a little carbide. It has good plasticity and corrosion resistance, but low strength and good welding and forming properties.
铁岽体不锈钢没有相变。所以，仅有的热处理是再结晶退火。
Ferritic stainless steel has no phase transformation. Therefore, the only heat treatment is recrystallization annealing.
再结晶退火的目的是为了去除应力，均匀和稳定组织。再结晶退火温度通常取温度在700〜800℃范围内，然后在空气中冷却。
The purpose of recrystallization annealing is to remove stress, uniform and stable structure. The recrystallization annealing temperature is usually in the range of 700 ~ 800 ℃, and then cooled in air.