Heat treatment

Heat tre­at­ment  
Heat-trea­ted to fer­ri­te-pear­li­te struc­tu­re FP (BG)
Heat-trea­ted for cold she­ara­bi­li­ty S (C)
An­nea­led A (G)
Heat-trea­ted to spe­ci­fic strength TH (BF)
Heat-trea­ted to sphe­ri­cal ce­men­ti­te AC (GKZ)
Nor­ma­li­zed or nor­ma­li­zed rol­led N (N)
Stress-re­li­ef heat-trea­ted SR (S)
Har­de­ned (in­duc­tive) H (V)
Tem­pe­ra­tu­re-con­trol­led rol­ling TG/CR