ABBREVIATIONS
Abbreviations for the bright steel production status
+C
Cold-drawn
+SH
Peeled
+SL
Ground
+PL
Directionally polished
Abbreviations for the bright steel production status
+A
Soft annealed
+AC
Annealed to obtain spherical carbides
+AR
How rolled (without special rolling/heat treatment conditions)
+AT
Solution annealed, quenched
+BC
Hot formed and blasted
+FP
Treated on ferrite-perlite material structures and hardening strain
+H
Hardenability requirement
+HH
Higher hardenability requirement
+M
Thermomechanically formed
+N
Normalized or normalizing formed
+NT
Normalized and tempered
+QT
Quenched and tempered (hardened and tempered)
+S
Treated for cold shearability
+SR
Stress-relieved or stress-relieved annealed
+T
Tempered
+TH
Treated for hardening strain
+U
Untreated
Abbreviations for mechanical characteristic values
A
Elongation at break (in %)
AU/KU
Notched bar impact work, specimen with U-notch (in J)
AV/KV
Notched bar impact work, specimen with V-notch (in J)
HB
Hardness according to Brinell; test with carbide ball (HBW)
HV
Hardness according to Vickers; test with diamond pyramid
HR
Hardness according to Rockwell, test with diamond cone (HRC/HRA) or steel ball (HRB/HRF)
ReL/ReH
Lower/upper yield strength (in N/mm² or in MPa)
Rm
Tensile strength (in N/mm² or in MPa)
Rp 0,2
Elongation limit (in N/mm² or in MPa)
Z
Fracture constriction (in %)
Abbreviations for roughness values
Ra
Mean roughness; arithmetic mean (in µm)
Rt/Rmax
Total height of the roughness profile (in µm)
Rz
Mean roughness; 5 individual measuring sections (in µm)
