Colour code chart

STEEL GRADE N. RAL COLOUR
New designation Old Designation and Similar
S235JR Cold-Drawn Marking S235JRC Fe 360B/Fe 360C/St 37-2 Can be unkilled No colour No colour
S235JR S235JRC Fe 360BFN Fully killed steel No colour No colour
Fe 360 D fully killed steel 9010 + 5003



S235J2
White Dark Blu

S355J2 S355J2C Fe 510D/St 52.3N fully killed steel + normalizing 3015
Pink

E295 E295GC Fe 490/ Fe 50/ St 50-2 6002 + 5003



Green Dark Blu




E335 E335GC Fe 590/Fe 60/St 60-2 5003 + 1021



Dark Blu Yellow




S355J0 Fe 510C/ St 52.3U fully killed steel natural 3015
Pink

S275JR Fe 430 B No colour No colour
S275J0 Fe 430 C No colour No colour
C10E C 10/Ck 10 9010



White




C15E C 15/Ck 15 2003 + 6002



Orange Green




C35E C 35/Ck 35 5003 + 3000



Dark Blu Red




C40E C 40/Ck 40 3000 + 9010



Red White




C45R …. 3000



Red




SAE 1045-C45E C 45 3000



Red




SAE 1045-C45E + N* C 45 Normalized 3000



Red




11SMn30-SAE1215 9SMn28 (AVZ) 7001



Grey




11SMn37 9SMn36 (AVZ) 7001 + 3015



Grey Pink




11SMnPb30-SAE 12L14 9SMnPb28 (AVP) 5003



Dark Blu




11SMnPb37 9SMnPb36(AVP) 5003 + 3015



Dark Blu Pink




36SMnPb14 35SMnPb10 (PR 80) 8011



Brown




46S20 45S20/C40S10 1021 + 3000



Yellow Red




46SPb20 45SPb20 No colour No colour
ASTM A 105 ASTM A 105 9005



Black




ASTM A 105 + N* ASTM A 105 Normalized 9005 + 1021



Black




ASTM A 350 LF2 ASTM A 350 LF2 9005 + 1021



Black Yellow




16MnCr5 16MnCr5 1014



Ivory




20MnCr5 20MnCr5 1014 + 5003



Ivory Dark Blu




16NiCr4 16NiCr4 5012



Sky Blu




16NiCr4 +Pb 16NiCr4 + Pb 5012 + 9010



Sky Blu White




18NiCrMo5 18NiCrMo5 1021



Yellow




18NiCrMo5 +Pb 18NiCrMo5 + Pb 1021 + 9010



Yellow White




42CrMo4 42CrMo4 2003



Orange




42CrMo4 + Pb 42CrMo4 + Pb 2003 + 9010



Orange White




39NiCrMo3 39NiCrMo3 6002



Green




39NiCrMo3 +Pb 39NiCrMo3 + Pb ……



Green White




41CrAlMo7 41CrAlMo 4005



Lilac




SAE 1018/080 A 15 (20Mn4) 2003 + 7001



Orange Grey




SAE 1116 (17SMn20) 1021 + 4004



Yellow Bordeaux




SAE 1117 (15SMn13) No colour No colour
SAE 1141 (36SMn14) 3000 + 5012



Red Sky Blu




20MnVS6 20 MnV 6 4004 + 4005



Bordeaux Lilac




Cf53 Cf53 4004



Bordeaux




52SiCrNi5 52SiCrNi5 2003 + 5003



Orange Dark Blu