Additional Symbols

symbol	other	definition
+A	TC	Soft annealing
+AC		Spherodized annealed
+AR		Raw for rolling, natural state
+AT		Solubilization annealing
+BC		Hot formed and sandblasted
+BG		Spheroid annealing (not laminar)
+BK		Bright Down, no heat treatment after drawing
+C		Cold-drawn
+CC		Semi-finished from continuous casting not subject to subsequent forming
+Cnnn		Cold-drawn to obtain nnn N/mm2
+CH		Core Hardenability
+CR		Cold rolled
+DC		Condition of supply selected by supplier
+FP		Treated for ferrite-pearlite structure and hardness
+GBK		Annealed in protected atmosphere (ex. bright annealing)
+GKZ		Spheroid annealing (not laminar)
+H		Normal hardenability at maximum range
+HH		Hardenability restricted towards top
+HL		Hardenability restricted towards bottom
+HC		Hot rolled and cold drawn
+HR		Treated for a certain range of hardness
+HW		Normal state of hot forming
+I		Isothermal annealing
+LC		Skin pass (flattened or cold drawn)
+M		Thermo-mechanically rolled
+MA		Machined
+N	TD	Normalized
+NBK		Normalized in a controlled atmosphere
+NT		Normalized and Tempered
+P		Hardened by precipitation
+PE		Peeled
+PI		Hot formed and pickled
+PL		Polished (smoothed)
+Q		Quenched
+QA		Quenched in air
+QO		Quenched in oil
+QT	TF	Quenched and Tempered
+QW		Quenched in water
+RA		Recrystallization annealing
+S		Annealed for cold shearing
+SH		Peeled reeled
+SL		Ground
+SR		Stress relieved
+T		Tempered
+TH		Tempered to obtain a range of hardness
+U		Untreared ex. St 52.3 U
+WW		Hot forming
+V		(Vergüten) Hardening and tempering
+Z15		Through tickness property, minimum reduction of area = 15%
+Z25		Through tickness property, minimum reduction of area = 25%
+Z35		Through tickness property, minimum reduction of area = 35%
J2		Guaranteed impact strength at           –20°C > 27J (cold-drawn excluded)
J0		Guaranteed impact strength at               0°C > 27J (cold-drawn excluded)
JR		On request, guar. imp. strength at     +20°C > 27J (cold-drawn excluded)
K2		Guaranteed impact strength at           –20°C > 40J (cold-drawn excluded)
L		Guaranteed impact strength at           –50°C > 27J (cold-drawn excluded)
G1		Rimming steel allowed
G2		Rimming steel not allowed
G3		Fully killed steel
FU		Rimming steel allowed
FN		Rimming steel not allowed
FF		Fully killed steel
G4		State of supply at producer's discretion
….E		ex. C45E  with max sulphur content specified
….R		ex. C45R with a range of sulphur content specified
R….		ex. RSt 52.3 killed steel
RR….		ex. RRSt44-3 special killed steel
U….		ex. USt 52.3 rimming steel
X….		ex. X 6Cr17 indicates steels with at least one alloy of more than  5%
BS		Base steels
QS		High quality steels
H		Cable profile
KG		Use at ambient temperature
N		Use at ambient temperature
KT		Use to low temperatures
NL		Use to low temperatures
KW		Use at high temperatures
NH		Use at high temperatures
R		Room temperature
GC		Suitable for cold drawing
+A	coating	Hot dip aluminium coating
+AS		Aluminium-silicon alloy coating
+AZ		Aluminium-zinc alloy coating (>50% Al)
+CE		Electrolytic chromium/chromium oxide coating ECCS
+CU		Copper coating
+IC		Inorganic coating
+OC		Organic coating
+S	coating	Hot dip tin coating
+SE		Electrolytic tin coating
+T	coating	Hot dip lead-tin alloy (
+TE		Electrolytic lead-tin alloy (terne) coating
+Z		Hot dip zinc (galvanized) coating
+ZA		Hot dip zinc-aluminium coating (>50%Zn)
+ZE		Electrolytic zinc coating
+ZF		Hot dip zinc-iron (galvannealed) coating
+ZN		Electrolytic zinc-nickel coating
m		ex. Cm 55 with a range of sulphur content 0.020-0.040%
….K		ex. St 37-3 K = kaltgezogen,  cold-drawn, drawn  ex. CK 15 = Fully Killed
….K		ex. C15K = cold-drawn
P	BS 970 pt. 1 1991	Tensile strength N/mm²  550-700
Q	BS 970 pt. 1 1991	Tensile strength N/mm²  625-775
R	BS 970 pt. 1 1991	Tensile strength N/mm²  700-850
S	BS 970 pt. 1 1991	Tensile strength N/mm²  775-925
T	BS 970 pt. 1 1991	Tensile strength N/mm²  850-1000
U	BS 970 pt. 1 1991	Tensile strength N/mm²  925-1075
V	BS 970 pt. 1 1991	Tensile strength N/mm²  1000-1150
W	BS 970 pt. 1 1991	Tensile strength N/mm²  1075-1225
X	BS 970 pt. 1 1991	Tensile strength N/mm²  1150-1300
Y	BS 970 pt. 1 1991	Tensile strength N/mm²  1225-1375
Z	BS 970 pt. 1 1991	Tensile strength N/mm² =1550