Tiêu chuẩn thép JIS G4051-1979 & SAE2004

Steel Plates for Machine Structural use
JIS G4051 - 1979 SAE-2004
Chemical Composition % Chemical Composition %
Grade C Si Mn P S Grade C Si Mn P S
0.15-0.35 0.03 0.035 1005 0.06 max ─ 0.35 max 0.03 0.05
1006 0.08 max 0.45 max
max max 1008 0.10 max 0.50 max max max
1009 0.15 max 0.60 max
S10C 0.08-0.13 0.30 - 0.60 1010 0.08 - 0.13 0.30 - 0.60
S12C 0.10 - 0.15 0.30 - 0.60 1012 0.10 - 0.15
1013 0.11 - 0.16
S15C 0.13 - 0.18 0.30 - 0.60 1015 0.13 - 0.18
1016 0.60 - 0.90
S17C 0.15 - 0.20 0.30 - 0.60 1017 0.15 - 0.20 0.30 - 0.60
1018 0.60 - 0.90
1019 0.70 - 1.00
S20C 0.18 - 0.23 0.30 - 0.60 1020 0.18 - 0.23 0.30 - 0.60
1021 0.60 - 0.90
S22C 0.20 - 0.25 0.30 - 0.60 1022 0.70 - 1.00
1023 0.20 - 0.25 0.30 - 0.60
S25C 0.22 - 0.28 0.30 - 0.60 1025 0.22 - 0.28 0.30 - 0.60
1026 0.60 - 0.90
S28C 0.25 - 0.31 0.60 - 0.90
1029 0.25 - 0.31 0.60 - 0.90
S30C 0.27 - 0.33 0.60 - 0.90 1030 0.28 - 0.34 0.60 - 0.90
S33C 0.30 - 0.36 0.60 - 0.90 1033 0.30 - 0.36 0.70 - 1.00
S35C 0.32 - 0.38 0.60 - 0.90 1035 0.32 - 0.38 0.60 - 0.90
1037 0.70 - 1.00
S38C 0.35 - 0.41 0.60 - 0.90 1038 0.35 - 0.42 0.60 - 0.90
1039 0.37 - 0.44 0.70 - 1.00
S40C 0.37 - 0.43 0.60 - 0.90 1040 0.60 - 0.90
1042 0.40-0.47 0.60 - 0.90
S43C 0.40 - 0.46 0.60 - 0.90 1043 0.70 - 1.00
1044 0.43 - 0.50 0.30 - 0.60
S45C 0.42 - 0.48 0.60 - 0.90 1045 0.60 - 0.90
1046 0.70 - 1.00
S48C 0.45 - 0.51 0.60 - 0.90
1049 0.46 - 0.53 0.60 - 0.90
S50C 0.47 - 0.53 0.60 - 0.90 1050 0.48 - 0.55 0.60 - 0.90
S53C 0.50 - 0.56 0.60 - 0.90 1053 0.70 - 1.00
S55C 0.52 - 0.58 0.60 - 0.90 1055 0.50 - 0.60 0.60 - 0.90
S58C 0.55 - 0.61 0.60 - 0.90
1060 0.55 - 0.65 0.60 - 0.90
1330 0.28 - 0.33 0.15-0.35 1.60 - 1.80 0.03 0.04

max max

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