Carbon Steel Composition

Source: American Iron and Steel Institute (AISE).

Note on Lead (Pb), Copper (Cu), Boron (B) content:

'L', 'C', or 'B' may be present between the second and third digits of the SAE/AISI number (IE, 12L14) to indicate the presence of Lead (0.15-0.35), Copper (0.20 min), or Boron (0.0005-0.003).

P and S are maximum values, unless a range of values is specified.

P = phosphorous, C = carbon, Mn = manganese, S = sulfur. All values are percentages.

A plain text (non-html) version of this table is available here.

AISI
SAE
UNSCMnPS
1005 G10050 0.06 0.35 0.040 0.050 
1006 G10060 0.08 0.25-0.40 0.040 0.050 
1008 G10080 0.10 0.30-0.60 0.040 0.050 
1010 G10100 0.08-0.13 0.30-0.60 0.040 0.050 
1012 G10120 0.10-0.15 0.30-0.60 0.040 0.050 
1015 G10150 0.13-0.18 0.30-0.60 0.040 0.050 
1016 G10160 0.13-0.18 0.60-0.90 0.040 0.050 
1017 G10170 0.15-0.20 0.60-0.90 0.040 0.050 
1018 G10180 0.15-0.20 0.60-0.90 0.040 0.050 
1019 G10190 0.15-0.20 0.70-1.00 0.040 0.050 
1020 G10200 0.18-0.23 0.30-0.60 0.040 0.050 
1021 G10210 0.18-0.23 0.60-0.90 0.040 0.050 
1022 G10220 0.18-0.23 0.70-1.00 0.040 0.050 
1023 G10230 0.20-0.25 0.30-0.60 0.040 0.050 
1025 G10250 0.22-0.28 0.30-0.60 0.040 0.050 
1026 G10260 0.22-0.28 0.60-0.90 0.040 0.050 
1029 G10290 0.25-0.31 0.60-0.90 0.040 0.050 
1030 G10300 0.28-0.34 0.60-0.90 0.040 0.050 
1035 G10350 0.32-0.38 0.60-0.90 0.040 0.050 
1037 G10370 0.32-0.38 0.70-1.00 0.040 0.050 
1038 G10380 0.35-0.42 0.60-0.90 0.040 0.050 
1039 G10390 0.37-0.44 0.70-1.00 0.040 0.050 
1040 G10400 0.37-0.44 0.60-0.90 0.040 0.050 
1042 G10420 0.40-0.47 0.60-0.90 0.040 0.050 
1043 G10430 0.40-0.47 0.70-1.00 0.040 0.050 
1044 G10440 0.43-0.50 0.30-0.60 0.040 0.050 
1045 G10450 0.43-0.50 0.60-0.90 0.040 0.050 
1046 G10460 0.43-0.50 0.70-1.00 0.040 0.050 
1049 G10490 0.46-0.53 0.60-0.90 0.040 0.050 
1050 G10500 0.48-0.55 0.60-0.90 0.040 0.050 
1053 G10530 0.48-0.55 0.70-1.00 0.040 0.050 
1055 G10550 0.50-0.60 0.60-0.90 0.040 0.050 
1059 G10590 0.55-0.65 0.50-0.80 0.040 0.050 
1060 G10600 0.55-0.65 0.60-0.90 0.040 0.050 
1064 G10640 0.60-0.70 0.50-0.80 0.040 0.050 
1065 G10650 0.60-0.70 0.40-0.70 0.040 0.050 
1069 G10690 0.65-0.75 0.40-0.70 0.040 0.050 
1070 G10700 0.65-0.75 0.60-0.90 0.040 0.050 
1078 G10780 0.72-0.85 0.30-0.60 0.040 0.050 
1080 G10800 0.75-0.88 0.60-0.90 0.040 0.050 
1084 G10840 0.80-0.93 0.60-0.90 0.040 0.050 
1086 G10860 0.80-0.93 0.30-0.50 0.040 0.050 
1090 G10900 0.85-0.98 0.60-0.90 0.040 0.050 
1095 G10950 0.90-1.03 0.30-0.50 0.040 0.050 
AISI
SAE
UNSCMnPS
1110 G11100 0.08-0.13 0.30-0.60 0.040 0.08-0.13 
1117 G11170 0.14-0.20 1.00-1.30 0.040 0.08-0.13 
1118 G11180 0.14-0.20 1.30-1.60 0.040 0.08-0.13 
1137 G11370 0.32-0.39 1.35-1.65 0.040 0.08-0.13 
1139 G11390 0.35-0.39 1.35-1.65 0.040 0.13-0.20 
1140 G11400 0.37-0.44 0.70-1.00 0.040 0.08-0.13 
1141 G11410 0.37-0.45 1.35-1.65 0.040 0.08-0.13 
1144 G11440 0.40-0.48 1.35-1.65 0.040 0.24-0.33 
1146 G11460 0.42-0.49 0.70-1.00 0.040 0.08-0.13 
1151 G11510 0.48-0.55 0.70-1.00 0.040 0.08-0.13 
AISI
SAE
UNSCMnPS
1211 G12110 max 0.13 0.60-0.90 0.07-0.12 0.10-0.15 
1212 G12120 max 0.13 0.70-1.00 0.07-0.12 0.16-0.23 
1213 G12130 max 0.13 0.70-1.00 0.07-0.12 0.24-0.33 
1214 G12144 max 0.15 0.85-1.15 0.04-0.09 0.26-0.35 
1215 G12150 max 0.09 0.75-1.05 0.04-0.09 0.26-0.35 
AISI
SAE
UNSCMnPS
1513 G15130 0.10-0.16 1.10-1.40 0.040 0.050 
1522 G15220 0.18-0.24 1.10-1.40 0.040 0.050 
1524 G15240 0.19-0.25 1.35-1.65 0.040 0.050 
1526 G15260 0.22-0.29 1.10-1.40 0.040 0.050 
1527 G15270 0.22-0.29 1.20-1.50 0.040 0.050 
1541 G15410 0.36-0.44 1.35-1.65 0.040 0.050 
1548 G15480 0.44-0.52 1.10-1.40 0.040 0.050 
1551 G15510 0.45-0.56 0.85-1.15 0.040 0.050 
1552 G15520 0.47-0.55 1.20-1.50 0.040 0.050 
1561 G15610 0.55-0.65 0.75-1.05 0.040 0.050 
1566 G15660 0.60-0.71 0.85-1.15 0.040 0.050 

Last updated 20-Sep-2000. Original version is at http://www.farm.net/~mason/materials, that version may be more up to date. Please report any errors to mason at farm.net.