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Various Steel Bar Delivery Condition
During steel bar purchasing, you may meet some letters which represent abbreviations of various delivery condition. We introduce some of them for you here:
+A ( 42CrMo4+A, 41Cr4+A, C45+A, 18CrMo4+A, 18CrNiMo6+A, 34CrNiMo6+A steel bar) , Soft Annealed
+AC ( 42CrMo4+AC, 41Cr4+AC, C45+AC, 18CrMo4+AC, 18CrNiMo6+AC, 34CrNiMo6+AC steel bar, 52100+AC) , Annealed to achieve spheroidization of the carbides
+AR ( 42CrMo4+AR, 41Cr4+AR, C45+AR, 18CrMo4+AR, 18CrNiMo6+AR, 34CrNiMo6+AR steel bar, 52100+AR) As rolled
+AT( 42CrMo4+AT, 41Cr4+AT, C45+AT, 18CrMo4+AT, 18CrNiMo6+AT, 34CrNiMo6+AT steel bar, 52100+AT) Solution annealed
+C( 42CrMo4+C, 41Cr4+C, C45+C, 18CrMo4+C, 18CrNiMo6+C, 34CrNiMo6+C steel bar, 52100+C) Cold drawn / hard
+CR Cold rolled
+FP Treated to ferrite-pearlite structure and hardness range
+I Isothermal annealing
+LC Cold drawn / soft
+M Thermo mechanical rolling
+N( 42CrMo4+N, 41Cr4+N, C45+N, 18CrMo4+N, 18CrNiMo6+N, 34CrNiMo6+N steel bar) Normalized
+NT Normalized and tempered
+P Precipitation hardened
+PE (42CrMo4+PE, 41Cr4+PE, C45+PE, 18CrMo4+PE, 18CrNiMo6+PE, 34CrNiMo6+PE steel bar) Peeled
+QA Air quenched and tempered
+QL Liquid quenched and tempered
+QT (42CrMo4+QT, 42CrMoS4+QT, 41Cr4+QT, C45+QT, 18CrMo4+QT, 18CrNiMo6+QT, 34CrNiMo6+QT steel bar) Quenched and tempered
+S Treated to improve shearability
+SH(42CrMo4+SH, 42CrMoS4+SH, 41Cr4+SH, C45+SH, 18CrMo4+SH, 18CrNiMo6+SH, 34CrNiMo6+SH steel bar) As rolled and turned
+SR Cold drawn and stress relieved
+T Tempered
+TH Treated to hardness range
+WW Warm worked
+U Untreated
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.