FERRO CORRISPONDENZA DESIGNAZIONI
UNI 7070/72	UNI 7070/82	EU 25	DIN 17100	NF A 35-501	BS 4360	ASTM
Fe 33	Fe 320 - - - S185	Fe 310	St 33	A 33-2
Fe 37 A		Fe 360 A
Fe 37 B	Fe 360 B - - -S235JR	Fe 360 B	St 37-2	E 24-2		A 283 C
Fe 37 C	Fe 360 D - - -S235JR	Fe 360 C	St 37-3	E 24-3
Fe 37 D	Fe 360 D - - - S235J2G3	Fe 360 D	St 37-3	E 24-7
Fe 42 A					40 A
Fe 42 B	Fe 410 B				40 B	A 283 D
Fe 42 C	Fe 410 C				40 C
Fe 42 D	Fe 410 D				40 D	A 131 D
Fe 44 A		Fe 430 A			43A A1
Fe 44 B	Fe 430 B - - - S275 JR	Fe 430 B	St 44-2	E 28-2	43 B
Fe 44 C	Fe 430 C - - - S275 JO	Fe 430 C	St 44-3	E 28-3	43 C
Fe 44 D	Fe 430 D - - - S275J2G3	Fe 430 D	St 44-3	E 28-4	43 D
Fe 52 B	Fe 510 B - - - S355JR	Fe 510 B		E 36-2	50 B	A 242-2
Fe 52 C	Fe 510 C - - - S355JO	Fe 510 C	St 52-3	E 36-3	50 C	A 572 gr 50
Fe 52 D	Fe 510 D - - - S355J2G4	Fe 510 D	St 52-3	E 36-4	50 D	A 633 gr C.D.