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ALLOY STEELS - CHEMICAL COMPOSITIONS   

UNS AISI/SAE C Mn Si S P Ni Cr Mo
G13300 1330 0.28-0.33 1.60-1.90 0.15-0.35 0.040 0.035 --- --- ---
G13350 1335 0.33-0.38 1.60-1.90 0.15-0.35 0.040 0.035 --- --- ---
G13400 1340 0.38-0.43 1.60-1.90 0.15-0.35 0.040 0.035 --- --- ---
G13450 1345 0.43-0.48 1.60-1.90 0.15-0.35 0.040 0.035 --- --- ---
G40230 4023 0.20-0.25 0.70-0.90 0.15-0.35 0.040 0.035 --- --- 0.20-0.30
G40240 4024 0.20-0.25 0.70-0.90 0.15-0.35 0.050 0.035 --- --- 0.20-0.30
G40270 4027 0.25-0.30 0.70-0.90 0.15-0.35 0.040 0.035 --- --- 0.20-0.30
G40280 4028 0.25-0.30 0.70-0.90 0.15-0.35 0.050 0.035 --- --- 0.20-0.30
G40320 4032a 0.30-0.35 0.70-0.90 0.15-0.35 0.040 0.035 --- --- 0.20-0.30
G40370 4037 0.35-0.40 0.70-0.90 0.15-0.35 0.040 0.035 --- --- 0.20-0.30
G40420 4042a 0.40-0.45 0.70-0.90 0.15-0.35 0.040 0.035 --- --- 0.20-0.30
G40470 4047 0.45-0.50 0.70-0.90 0.15-0.35 0.040 0.035 --- --- 0.20-0.30
G41180 4118 0.18-0.23 0.70-0.90 0.15-0.35 0.040 0.035 --- 0.40-0.60 0.08-0.15
G41300 4130 0.28-0.33 0.70-0.90 0.15-0.35 0.040 0.035 --- 0.80-1.10 0.15-0.25
G41350 4135 0.33-0.38 0.70-0.90 0.15-0.35 0.040 0.035 --- 0.80-1.10 0.15-0.25
G41370 4137 0.35-0.40 0.70-0.90 0.15-0.35 0.040 0.035 --- 0.80-1.10 0.15-0.25
G41400 4140 0.38-0.43 0.75-1.00 0.15-0.35 0.040 0.035 --- 0.80-1.10 0.15-0.25
G41420 4142 0.40-0.45 0.75-1.00 0.15-0.35 0.040 0.035 --- 0.80-1.10 0.15-0.25
G41450 4145 0.43-0.48 0.75-1.00 0.15-0.35 0.040 0.035 --- 0.80-1.10 0.15-0.25
G41470 4147 0.45-0.50 0.75-1.00 0.15-0.35 0.040 0.035 --- 0.80-1.10 0.15-0.25
G41500 4150 0.48-0.3 0.75-1.00 0.15-0.35 0.040 0.035 --- 0.80-1.10 0.15-0.25
G41610 4161 0.56-0.64 0.75-1.00 0.15-0.35 0.040 0.035 --- 0.70-0.90 0.25-0.35
G43200 4320 0.17-0.22 0.45-0.65 0.15-0.35 0.040 0.035 1.65-2.00 0.40-0.60 0.20-0.30
G43400 4340 0.38-0.43 0.60-0.80 0.15-0.35 0.040 0.035 1.65-2.00 0.70-0.90 0.20-0.30
UNS AISI/SAE C Mn Si S P Ni Cr Mo
G43406 E4340 0.38-0.43 0.65-0.85 0.15-0.35 0.025 0.025 1.65-2.00 0.70-0.90 0.20-0.30
G44220 4422a 0.20-0.25 0.70-0.90 0.15-0.35 0.040 0.035 --- --- 0.35-0.45
G44270 4427a 0.24-0.29 0.70-0.90 0.15-0.35 0.040 0.035 --- --- 0.35-0.45
G46150 4615 0.13-0.18 0.45-0.65 0.15-0.35 0.040 0.035 1.65-2.00 --- 0.20-0.30
G46170 4617a 0.15-0.20 0.45-0.65 0.15-0.35 0.040 0.035 1.65-2.00 --- 0.20-0.30
G46200 4620 0.17-0.22 0.45-0.65 0.15-0.35 0.040 0.035 1.65-2.00 --- 0.20-0.30
G46260 4626 0.24-0.29 0.45-0.65 0.15-0.35 0.040 0.035 0.70-1.00 --- 0.15-0.25
G47180 4718 0.16--0.21 0.70-0.90 --- --- --- 0.90-1.20 0.35-0.55 0.30-0.40
G47200 4720 0.17-0.22 0.50-0.70 0.15-0.35 0.040 0.035 0.90-1.20 0.35-0.55 0.15-0.25
G48150 4815 0.13-0.18 0.40-0.60 0.15-0.35 0.040 0.035 3.25-3.75 --- 0.20-0.30
G48170 4817 0.15-0.20 0.40-0.60 0.15-0.35 0.040 0.035 3.25-3.75 --- 0.20-0.30
G48200 4820 0.18-0.23 0.50-0.70 0.15-0.35 0.040 0.035 3.25-3.75 --- 0.20-0.30
G50401 50B40a,b 0.38-0.43 0.75-1.00 0.15-0.30 0.040 0.035 --- 0.40-0.60 ---
G50441 50B44b 0.43-0.48 0.75-1.00 0.15-0.30 0.040 0.035 --- 0.40-0.60 ---
G50460 5046a 0.43-0.48 0.75-1.00 0.15-0.30 0.040 0.035 --- 0.20-0.35 ---
G50461 50B46b 0.44-0.49 0.75-1.00 0.15-0.30 0.040 0.035 --- 0.20-0.35 ---
G50550 50B50b 0.48-0.53 0.75-1.00 0.15-0.30 0.040 0.035 --- 0.40-0.60 ---
G50600 5060a 0.56-0.64 0.75-1.00 0.15-0.30 0.040 0.035 --- 0.40-0.60 ---
--- 50B60b 0.56-0.64 0.75-1.00 0.15-0.30 0.040 0.035 --- 0.40-0.60 ---
G51150 5115a 0.13-0.18 0.75-1.00 0.15-0.30 0.040 0.035 --- 0.70-0.90 ---
G51170 5117 0.15-0.20 0.70-1.00 0.15-0.30 0.040 0.035 --- 0.70-0.90 ---
G51200 5120 0.17-0.22 0.70-0.90 0.15-0.30 0.040 0.035 --- 0.70-0.90 ---
G51300 5130 0.28-0.33 0.70-0.90 0.15-0.30 0.040 0.035 --- 0.80-1.10 ---
G51320 5132 0.30-0.35 0.60-0.80 0.15-0.30 0.040 0.035 --- 0.75-1.00 ---
G51350 5135 0.33-0.38 0.60-0.80 0.15-0.30 0.040 0.035 --- 0.80-1.05 ---
UNS AISI/SAE C Mn Si S P Ni Cr Mo
G51400 5140 0.38-0.43 0.70-0.90 0.15-0.30 0.040 0.035 --- 0.70-0.90 ---
G51470 5147 0.46-0.51 0.70-0.95 0.15-0.30 0.040 0.035 --- 0.85-1.15 ---
G51500 5150 0.48-0.53 0.70-0.90 0.15-0.30 0.040 0.035 --- 0.70-0.90 ---
G51550 5155 0.51-0.59 0.70-0.90 0.15-0.30 0.040 0.035 --- 0.70-0.90 ---
G51600 5160 0.56-0.64 0.75-1.00 0.15-0.30 0.040 0.035 --- 0.70-0.90 ---
G51601 51B60b 0.56-0.64 0.75-1.00 0.15-1.00 0.040 0.035 --- 0.70-0.90 ---
G50986 50100a 0.98-1.10 0.25-0.45 0.15-0.30 0.025 0.025 --- 0.40-0.60 ---
G51986 51100 0.98-1.10 0.25-0.45 0.15-0.30 0.025 0.025 --- 0.90-1.15 ---
G52986 52100 0.98-1.10 0.25-0.45 0.15-0.30 0.025 0.025 --- 1.30-1.60 ---
G61180 6118 0.16-0.21 0.50-0.70 0.15-0.30 0.040 0.035 --- 0.50-0.70 ---
G61500 6150 0.48-0.53 0.70-0.90 0.15-0.30 0.040 0.035 --- 0.80-1.10 ---
G81150 8115 0.13-0.18 0.70-0.90 0.15-0.30 0.040 0.035 0.20-0.40 0.30-0.50 0.08-0.15
G81451 81B45b 0.43-0.48 0.75-1.00 0.15-0.30 0.040 0.035 0.20-0.40 0.35-0.55 0.08-0.15
G86150 8615 0.13-0.18 0.70-0.90 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G86170 8617 0.15-0.20 0.70-0.90 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G86200 8620 0.18-0.23 0.70-0.90 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G86220 8622 0.20-0.25 0.70-0.90 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G86250 8625 0.23-0.28 0.70-0.90 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G86270 8627 0.25-0.30 0.70-0.90 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G86300 8630 0.28-0.33 0.70-0.90 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G86370 8637 0.35-0.40 0.75-1.00 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G86400 8640 0.38-0.43 0.75-1.00 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G86420 8642 0.40-0.45 0.75-1.00 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G86450 8645 0.43-0.48 0.75-1.00 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G86451 86B45a,b 0.43-0.48 0.75-1.00 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G86500 8650a 0.48-0.53 0.75-1.00 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
UNS AISI/SAE C Mn Si S P Ni Cr Mo
G86550 8655 0.51-0.59 0.75-1.00 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G86600 8660a 0.56-0.64 0.75-1.00 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G87200 8720 0.18-0.23 0.70-0.90 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G87400 8740 0.38-0.43 0.75-1.00 0.15-0.30 0.040 0.035 0.40-0.70 0.40-0.60 0.15-0.25
G92540 9254a 0.51-0.59 0.60-0.80 1.20-1.60 0.040 0.035 --- 0.60-0.80 ---
G92600 9260 0.56-0.64 0.75-1.00 1.80-2.20 0.040 0.035 --- --- ---
G93106 9310a 0.08-0.13 0.45-0.65 0.15-0.30 0.025 0.025 3.00-3.50 1.00-1.40 0.08-0.15
G94151 94B15a,b 0.13-0.18 0.75-1.00 0.15-0.30 0.040 0.035 0.30-0.60 0.30-0.50 0.08-0.15
G94171 94B17b 0.15-0.20 0.75-1.00 0.15-0.30 0.040 0.035 0.30-0.60 0.30-0.50 0.08-0.15
G94301 94B30b 0.28-0.33 0.75-1.00 0.15-0.30 0.040 0.035 0.30-0.60 0.30-0.50 0.08-0.15

a. Only SAE designation, not an AISI designation.

b. Contains boron 0.0005-0.003%
 

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