Manufacture of Low Carbon Steel, High Carbon Steel, Chrome Moly Steel, Chrome Nickel Steel, Chrome Vanadium Steel, Bearing Steel, Alloy Steel, Boron Steel

JIS G 3505 : Low Carbon Steel Wire Rods

Symbol of ClassChemical Composition %
CMnPS
MSWR 60.08 max.0.60 max.0.04 max.0.04 max.
MSWR 80.10 max.0.60 max.0.04 max.0.04 max.
MSWR 100.08∼0.130.30∼0.600.04 max.0.04 max.
MSWR 120.10∼0.150.30∼0.600.04 max.0.04 max.
MSWR 150.13∼0.180.30∼0.600.04 max.0.04 max.
MSWR 170.15∼0.200.30∼0.600.04 max.0.04 max.
MSWR 200.18∼0.230.30∼0.600.04 max.0.04 max.
MSWR 220.20∼0.250.30∼0.600.04 max.0.04 max.

JIS G 3506 : High Carbon Steel Wire Rods

Symbo of ClassChemical Composition %
CSiMnPS
HSWR 270.24∼0.310.15∼0.350.30∼0.600.030 max.0.030 max.
HSWR 320.29∼0.360.15∼0.350.30∼0.600.030 max.0.030 max.
HSWR 370.34∼0.410.15∼0.350.30∼0.600.030 max.0.030 max.
HSWR 42A0.39∼0.460.15∼0.350.30∼0.600.030 max.0.030 max.
HSWR 42B0.39∼0.460.15∼0.350.60∼0.900.030 max.0.030 max.
HSWR 47A0.44∼0.510.15∼0.350.30∼0.600.030 max.0.030 max.
HSWR 47B0.44∼0.510.15∼0.350.60∼0.900.030 max.0.030 max.
HSWR 52A0.49∼0.560.15∼0.350.30∼0.600.030 max.0.030 max.
HSWR 52B0.49∼0.560.15∼0.350.60∼0.900.030 max.0.030 max.
HSWR 57A0.54∼0.610.15∼0.350.30∼0.600.030 max.0.030 max.
HSWR 57B0.54∼0.610.15∼0.350.60∼0.900.030 max.0.030 max.
HSWR 62A0.59∼0.660.15∼0.350.30∼0.600.030 max.0.030 max.
HSWR 62B0.59∼0.660.15∼0.350.60∼0.900.030 max.0.030 max.
HSWR 67A0.64∼0.710.15∼0.350.30∼0.600.030 max.0.030 max.
HSWR 67B0.64∼0.710.15∼0.350.60∼0.900.030 max.0.030 max.
HSWR 72A0.69∼0.760.15∼0.350.30∼0.600.030 max.0.030 max.
HSWR 72B0.69∼0.760.15∼0.350.60∼0.900.030 max.0.030 max.
HSWR 77A0.74∼0.810.15∼0.350.30∼0.600.030 max.0.030 max.
HSWR 77B0.74∼0.810.15∼0.350.60∼0.900.030 max.0.030 max.
HSWR 82A0.79∼0.860.15∼0.350.30∼0.600.030 max.0.030 max.
HSWR 82B0.79∼0.860.15∼0.350.60∼0.900.030 max.0.030 max.

JIS G 3507 : Carbon Steel Wire Rods for Cold Heading and Cold Forging

Symbo of ClassChemical Composition %
CSiMnP Max.S Max.Al min.Remark
SWRCH 6R0.08 max.0.60 max.0.0400.040Rimmed Steels
SWRCH 8R0.10 max.0.60 max.0.0400.040
SWRCH 10R0.08∼0.130.30∼0.600.0400.040
SWRCH 12R0.10∼0.150.30∼0.600.0400.040
SWRCH 15R0.13∼0.180.30∼0.600.0400.040
SWRCH 17R0.15∼0.200.30∼0.600.0400.040
SWRCH 6A0.08 max0.10 max.0.60 max.0.0300.0350.02Aluminum Kille Steel
SWRCH 8A0.10 max0.10 max.0.60 max.0.0300.0350.02
SWRCH 10A0.08∼0.130.10 max.0.30∼0.600.0300.0350.02
SWRCH 12A0.10∼0.150.10 max.0.30∼0.600.0300.0350.02
SWRCH 15A0.13∼0.180.10 max.0.30∼0.600.0300.0350.02
SWRCH 16A0.13∼0.180.10 max.0.60∼0.900.0300.0350.02
SWRCH 18A0.15∼0.200.10 max.0.60∼0.900.0300.0350.02
SWRCH 19A0.15∼0.200.10 max.0.70∼1.000.0300.0350.02
SWRCH 20A0.18∼0.230.10 max.0.30∼0.600.0300.0350.02
SWRCH 22A0.18∼0.230.10 max.0.70∼1.000.0300.0350.02
SWRCH 10K0.08∼0.130.10∼0.350.30∼0.600.0300.035Kille Steel
SWRCH 12K0.10∼0.150.10∼0.350.30∼0.600.0300.035
SWRCH 15K0.13∼0.180.10∼0.350.30∼0.600.0300.035
SWRCH 16K0.13∼0.180.10∼0.350.60∼0.900.0300.035
SWRCH 17K0.15∼0.200.10∼0.350.30∼0.600.0300.035
SWRCH 18K0.15∼0.200.10∼0.350.60∼0.900.0300.035
SWRCH 20K0.18∼0.230.10∼0.350.30∼0.600.0300.035
SWRCH 22K0.18∼0.230.10∼0.350.70∼1.000.0300.035
SWRCH 24K0.19∼0.250.10∼0.351.30∼1.650.0300.035
SWRCH 25K0.22∼0.280.10∼0.350.30∼0.600.0300.035
SWRCH 27K0.22∼0.290.10∼0.351.20∼1.500.0300.035
SWRCH 30K0.27∼0.330.10∼0.350.60∼0.900.0300.035
SWRCH 33K0.30∼0.360.10∼0.350.60∼0.900.0300.035
SWRCH 35K0.32∼0.380.10∼0.350.60∼0.900.0300.035
SWRCH 38K0.35∼0.410.10∼0.350.60∼0.900.0300.035
SWRCH 40K0.37∼0.430.10∼0.350.60∼0.900.0300.035
SWRCH 41K0.36∼0.440.10∼0.351.35∼1.650.0300.035
SWRCH 43K0.40∼0.460.10∼0.350.60∼0.900.0300.035
SWRCH 45K0.42∼0.480.10∼0.350.60∼0.900.0300.035
SWRCH 48K0.45∼0.510.10∼0.350.60∼0.900.0300.035
SWRCH 50K0.47∼0.530.10∼0.350.60∼0.900.0300.035

JIS G 4051 : Carbon Steels for Machine Structural Us

Symbo of ClassChemical Composition %
CSiMnP Max.S Max.
S 10C0.08∼0.130.15∼0.350.30∼0.600.0300.035
S 12C0.10∼0.150.15∼0.350.30∼0.600.0300.035
S 15C0.13∼0.180.15∼0.350.30∼0.600.0300.035
S 17C0.15∼0.200.15∼0.350.30∼0.600.0300.035
S 20C0.18∼0.230.15∼0.350.30∼0.600.0300.035
S 22C0.20∼0.250.15∼0.350.30∼0.600.0300.035
S 25C0.22∼0.280.15∼0.350.30∼0.600.0300.035
S 28C0.25∼0.310.15∼0.350.60∼0.900.0300.035
S 30C0.27∼0.330.15∼0.350.60∼0.900.0300.035
S 33C0.30∼0.360.15∼0.350.60∼0.900.0300.035
S 35C0.32∼0.380.15∼0.350.60∼0.900.0300.035
S 38C0.35∼0.410.15∼0.350.60∼0.900.0300.035
S 40C0.37∼0.430.15∼0.350.60∼0.900.0300.035
S 43C0.40∼0.460.15∼0.350.60∼0.900.0300.035
S 45C0.42∼0.480.15∼0.350.60∼0.900.0300.035
S 48C0.45∼0.510.15∼0.350.60∼0.900.0300.035
S 50C0.47∼0.530.15∼0.350.60∼0.900.0300.035
S 53C0.50∼0.560.15∼0.350.60∼0.900.0300.035
S 55C0.52∼0.580.15∼0.350.60∼0.900.0300.035
S 58C0.55∼0.610.15∼0.350.60∼0.900.0300.035
S 9 CK0.07∼0.120.10∼0.350.30∼0.600.0250.025
S 15CK0.13∼0.180.15∼0.350.30∼0.600.0250.025
S 20CK0.18∼0.230.15∼0.350.30∼0.600.0250.025

Note : S 9CK, S 15CK and S 20CK shall not contain as impurities, an excess of 0.25% Cu, 0.20% NI, 0.20% Cr, 0.30% Ni + Cr, and for other notations 0.30% Cu, 0.20% Ni, 0.20% Cr and 0.35% Ni +Cr.

JIS G 4103 : Nickel Chromium Molybdenum Steels

Symbo of ClassChemical Composition %
CSiMnP Max.S Max.NiCrMo
SNCM 2200.17∼0.230.15∼0.350.60∼0.900.0300.0300.40∼0.700.40∼0.650.15∼0.30
SNCM 2400.38∼0.430.15∼0.350.70∼1.000.0300.0300.40∼2.700.40∼0.700.15∼0.30
SNCM 4150.12∼0.180.15∼0.350.40∼0.700.0300.0301.60∼2.000.40∼0.650.15∼0.30
SNCM 4200.17∼0.230.15∼0.350.40∼0.700.0300.0301.60∼2.000.40∼0.650.15∼0.30
SNCM 4310.27∼0.350.15∼0.350.60∼0.900.0300.0301.60∼2.000.60∼1.000.15∼0.30
SNCM 4390.36∼0.430.15∼0.350.60∼0.900.0300.0301.60∼2.000.60∼1.000.15∼0.30
SNCM 4470.44∼0.500.15∼0.350.60∼0.900.0300.0301.60∼2.000.60∼1.000.15∼0.30
SNCM 6160.13∼0.200.15∼0.350.80∼1.200.0300.0302.80∼3.201.40∼1.800.40∼0.60
SNCM 6250.20∼0.300.15∼0.350.35∼0.600.0300.0303.00∼3.501.00∼1.500.15∼0.35
SNCM 6300.25∼0.350.15∼0.350.35∼0.600.0300.0302.50∼3.502.50∼3.500.50∼0.70
SNCM 8150.12∼0.180.15∼0.350.30∼0.600.0300.0304.00∼4.500.70∼1.000.15∼0.35
Note : As impurities, Cu shall not exceed 0.30% for all grades.

JIS G 4104 : Chromium Steels

Symbo of ClassChemical Composition %
CSiMnP Max.S Max.Cr
SCr 4150.13~0.180.15∼0.350.60∼0.850.0300.0300.90~1.20
SCr 4200.18~0.230.15∼0.350.60∼0.850.0300.0300.90~1.20
SCr 4300.28~0.330.15∼0.350.60∼0.850.0300.0300.90~1.20
SCr 4350.33~0.380.15∼0.350.60∼0.850.0300.0300.90~1.20
SCr 4400.38~0.430.15∼0.350.60∼0.850.0300.0300.90~1.20
SCr 4450.43~0.480.15∼0.350.60∼0.850.0300.0300.90~1.20
Note : As impurities, Ni and Cu shall not exceed 0.25% and 0.30% respectively for all grades.

JIS G 4105 : Chromium Molybdenum Steels

Symbo of ClassChemical Composition %
CSiMnP Max.S Max.CrMo
SCM 4150.13∼0.180.15∼0.350.60∼0.850.0300.0300.90∼1.200.15∼0.30
SCM 4180.16∼0.210.15∼0.350.60∼0.850.0300.0300.90∼1.200.15∼0.30
SCM 4200.18∼0.230.15∼0.350.60∼0.850.0300.0300.90∼1.200.15∼0.30
SCM 4210.17∼0.230.15∼0.350.70∼1.000.0300.0300.90∼1.200.15∼0.30
SCM 4300.28∼0.330.15∼0.350.60∼0.850.0300.0300.90∼1.200.15∼0.30
SCM 4320.27∼0.370.15∼0.350.30∼0.600.0300.0301.00∼1.500.15∼0.30
SCM 4350.33∼0.380.15∼0.350.60∼0.850.0300.0300.90∼1.200.15∼0.30
SCM 4400.38∼0.430.15∼0.350.60∼0.850.0300.0300.90∼1.200.15∼0.30
SCM 4450.43∼0.480.15∼0.350.60∼0.850.0300.0300.90∼1.200.15∼0.30
SCM 8220.20∼0.250.15∼0.350.60∼0.850.0300.0300.90∼1.200.35∼0.45
Note : As impurities, Ni and Cu shall not exceed 0.25% and 0.30% respectively for all grades.

JIS G 4106 : Manganese Steels and Manganese Chromium Steels for Machine Structural Use

Symbo of ClassChemical Composition %
CSiMnP Max.S Max.Cr
SMn 4200.17∼0.230.15∼0.351.20∼1.500.0300.030
SMn 4330.30∼0.360.15∼0.351.20∼1.500.0300.030
SMn 4380.35∼0.410.15∼0.351.35∼1.650.0300.030
SMn 4430.40∼0.460.15∼0.351.35∼1.650.0300.030
SMn C 4200.17∼0.230.15∼0.351.20∼1.500.0300.0300.35∼0.70
SMn C 4430.40∼0.460.15∼0.351.35∼1.650.0300.0300.35∼0.70
Note : As impurities, Ni 0.25 Cu 0.30% shall not be exceeded for each class Neither Cr 0.35% shall not be exceeded for SMn 433, SMn 438, SMn 443 and SMn 420.

JIS G 4308 : Stanless Steel

Symbol of ClassChemical Composition %
C Max.Si Max.MnP Max.S Max.NiCrOthers
SUS 2010.151.005.50~7.500.0600.0303.5~5.516.0~18.0N 0.25 max.
SUS 3020.151.002.00 max.0.0450.0308.0~10.017.0~19.0
SUS 3030.151.002.00 max.0.2000.1508.0~10.017.0~19.0Mo 0.60 max.
SUS 303Se0.151.002.00 max.0.2000.0608.0~10.017.0~19.0Se 0.15 min.
SUS 3040.081.002.00 max.0.0450.0308.0~10.518.0~20.0
SUS 304L0.031.002.00 max.0.0450.0309.0~13.018.0~20.0
SUS 304N10.081.002.50 max.0.0450.0307.0~10.518.0~20.0N 0.10~0.25
SUS 3050.121.002.00 max.0.0450.03010.5~13.017.0~19.0
SUS 305J10.081.002.00 max.0.0450.03011.0~13.516.5~19.0
SUS 309S0.081.002.00 max.0.0450.03012.0~15.022.0~24.0
SUS 310S0.081.502.00 max.0.0450.03019.0~22.024.0~26.0
SUS 3160.081.002.00 max.0.0450.03010.0~14.016.0~18.0Mo 2.00~3.00
SUS 316L0.031.002.00 max.0.0450.03012.0~15.016.0~18.0Mo 2.00~3.00
SUS 3210.081.002.00 max.0.0450.0309.0~13.017.0~19.0Ti 5xC% min.
SUS 3470.081.002.00 max.0.0450.0309.0~13.017.0~19.0Nb 10xC% min.
SUS 3840.081.002.00 max.0.0450.03017.0~19.015.0~17.0
SUS XM70.081.002.00 max.0.0450.0308.5~10.517.0~19.0Cu 3.00~4.00
SUS 4300.120.751.00 max.0.0400.03016.0~18.0
SUS 430F0.121.001.25 max.0.0600.15 min.16.0~18.0Mo 0.60 max.
SUS 4340.121.001.00 max.0.0400.03016.0~18.0Mo 0.75~1.25
SUS 4100.151.001.00 max.0.0400.03011.5~13.0
SUS 4160.151.001.25 max.0.0600.15012.0~14.0
SUS 420J10.16~0.251.001.00 max.0.0400.03012.0~14.0
SUS 420J20.26~0.401.001.00 max.0.0400.03012.0~14.0
SUS 420 F0.26~0.401.001.25 max.0.0600.15012.0~14.0
SUS 440C0.95~1.201.001.00 max.0.0400.03016.0~18.0
SUS 631J10.091.001.00 max.0.0400.0307.0~8.516.0~18.0Al 0.75~1.50

JIS G 4801 : Spring Steels

Symbo of ClassChemical Composition %
CSiMnP Max.S Max.CrVB
SUP 30.75∼0.900.15∼0.350.30∼0.600.0350.035
SUP 60.56∼0.641.50∼1.800.70∼1.000.0350.035
SUP 70.56∼0.641.80∼2.200.70∼1.000.0350.035
SUP 90.52∼0.600.15∼0.350.65∼0.950.0350.0350.65∼0.95
SUP 9A0.56∼0.640.15∼0.350.70∼1.000.0350.0350.70∼1.00
SUP 100.47∼0.550.15∼0.350.65∼0.950.0350.0350.80∼1.100.15∼0.25
SUP 11A0.56∼0.640.15∼0.350.70∼1.000.0350.0350.70∼1.000.0005 min.
SUP 120.51∼0.591.20∼1.600.60∼0.900.0350.0350.60∼0.90
SUP 130.56∼0.640.15∼0.350.70∼1.000.0350.0350.70∼0.90Mo 0.25~0.35
Note : Throughout classes, the value of Cu as impurities shall not exceed 0.30%

JIS G 4804 : Free Cutting Carbon Steels

Symbo of ClassChemical Composition %
CMnPSPb
SUM 110.08∼0.130.30∼0.600.040 max.0.08∼0.13
SUM 120.08∼0.130.60∼0.900.040 max.0.08∼0.13
SUM 210.13 max.0.70∼0.100.07∼0.120.16∼0.23
SUM 220.13 max.0.70∼1.000.07∼0.120.24∼0.33
SUM 22L0.13 max.0.70∼1.000.07∼0.120.24∼0.330.10∼0.35
SUM 230.09 max.0.75∼1.050.04∼0.090.26∼0.35
SUM 23L0.09 max.0.75∼1.050.04∼0.090.26∼0.350.10∼0.35
SUM 24L0.15 max.0.85∼1.150.04∼0.090.26∼0.350.10∼0.35
SUM 250.15 max.0.90∼1.400.07∼0.120.30∼0.40
SUM 310.14∼0.201.00∼1.300.040 max.0.08∼0.13
SUM 31L0.14∼0.201.00∼1.300.040 max.0.08∼0.130.10∼0.35
SUM 320.12∼0.200.60∼1.100.040 max.0.10∼0.20
SUM 410.32∼0.391.35∼1.650.040 max.0.08∼0.13
SUM 420.37∼0.451.35∼1.650.040 max.0.08∼0.13
SUM 430.40∼0.481.35∼1.650.040 max.0.24∼0.33

JIS G 4805 : High Carbon Chromium Bearing Steels

Symbo of ClassChemical Composition %
CSiMnP Max.S Max.CrMo
SUJ 10.95∼1.100.15∼0.350.50 max.0.0250.0250.90∼1.20
SUJ 20.95∼1.100.15∼0.350.50 max.0.0250.0251.30∼1.60
SUJ 30.95∼1.100.40∼0.700.90∼1.150.0250.0250.90∼1.20
SUJ 40.95∼1.100.15∼0.350.50 max.0.0250.0251.30∼1.600.10∼0.25
SUJ 50.95∼1.100.40∼0.700.90∼1.150.0250.0250.90∼1.200.10∼0.25
Note : As impurities, Ni, Cu shall not exceed 0.25%

AISI or SAE Standard

Carbon Steels – Hot Rolled and Cold Finished Bars, Wire Rods
Standard Nonresulfurized Carbon Steels
Manganese 1.00 Percent Maximum

Steel Designation AISI or SAEUNS NumberChemical Composition %
CMnP
Max
S
Max
1005G 100500.06 max.0.35 max.0.040.05
1006G 100600.08 max.0.25∼0.400.040.05
1008G 100800.10 max.0.30∼0.500.040.05
1010G 101000.08∼0.130.30∼0.600.040.05
1012G 101200.10∼0.150.30∼0.600.040.05
1013G 101300.11∼0.160.50∼0.800.040.05
1015G 101500.13∼0.180.30∼0.600.040.05
1016G 101600.13∼0.180.60∼0.900.040.05
1017G 101700.15∼0.200.30∼0.600.040.05
1018G 101800.15∼0.200.60∼0.900.040.05
1019G 101900.15∼0.200.70∼1.000.040.05
1020G 102000.18∼0.230.30∼0.600.040.05
1021G 102100.18∼0.230.60∼0.900.040.05
1022G 102200.18∼0.230.70∼1.000.040.05
1023G 102300.20∼0.250.30∼0.600.040.05
1025G 102500.22∼0.280.30∼0.600.040.05
1026G 102600.22∼0.280.60∼0.900.040.05
1029G 102900.25∼0.310.60∼0.900.040.05
1030G 103000.28∼0.340.60∼0.900.040.05
1035G 103500.32∼0.380.60∼0.900.040.05
1037G 103700.32∼0.380.70∼1.000.040.05
1038G 103800.35∼0.420.60∼0.900.040.05
1039G 103900.37∼0.440.70∼1.000.040.05
1040G 104000.37∼0.440.60∼0.900.040.05
1042G 104200.40∼0.470.60∼0.900.040.05
1043G 104300.40∼0.470.70∼1.000.040.05
1044G 104400.43∼0.500.30∼0.600.040.05
1045G 104500.43∼0.500.60∼0.900.040.05
1046G 104600.43∼0.500.70∼1.000.040.05
1049G 104900.46∼0.530.60∼0.900.040.05
1050G 105000.48∼0.550.60∼0.900.040.05
1053G 105300.48∼0.550.70∼1.000.040.05
1055G 105500.50∼0.600.60∼0.900.040.05
1060G 106000.55∼0.650.60∼0.900.040.05
1065G 106500.60∼0.700.60∼0.900.040.05
1069G 106900.65∼0.750.40∼0.700.040.05
1070G 107000.65∼0.750.60∼0.900.040.05
1075G 107500.70∼0.800.40∼0.700.040.05
1078G 107800.72∼0.850.30∼0.600.040.05
1080G 108000.75∼0.880.60∼0.900.040.05
1084G 108400.80∼0.930.60∼0.900.040.05
1086G 108500.80∼0.930.70∼1.000.040.05
1090G 109000.85∼0.980.60∼0.900.040.05
1095G 109500.90∼1.030.30∼0.500.040.05

Standard Nonresulfurized CarbonSteels Manganese Maximum Over 1.00 Percent

Steel Designation AISI or SAEUNS NumberChemical Composition %
CMnP
Max
S
Max
1513G 151300.10∼0.161.10∼1.400.040.05
1522G 152200.18∼0.241.10∼1.400.040.05
1524G 152400.19∼0.251.35∼1.650.040.05
1526G 152600.22∼0.291.10∼1.400.040.05
1527G 152700.22∼0.291.20∼1.500.040.05
1536G 153600.30∼0.371.20∼1.500.040.05
1541G 154100.36∼0.441.35∼1.650.040.05
1548G 154800.44∼0.521.10∼1.400.040.05
1551G 155100.45∼0.560.85∼1.150.040.05
1552G 155200.47∼0.551.20∼1.500.040.05
1561G 156100.55∼0.650.75∼1.050.040.05
1566G 156600.60∼0.710.85∼1.150.040.05

(1) As special quality steel products, wire rod with P content less than 0.03% and S content less than 0.035% are available.
(2) Unless otherwise specified, these are manufactured as fine grained steels of Si content 0.15∼0.30%
(3) Carbon steels other Chan boron steels listed above can also be manufactured with boron added to enhance hardenability. In either case, the boron content is 0.0005∼0.003%
(4) “H” steels with specified hardenability are also available.

Resulfurized Steels Standard Resulfurized Carbon Steels

Steel Designation AISI or SAEUNS NumberChemical Composition %
CMnP
Max
S
1108G 110800.08∼0.130.60∼0.800.040.08∼0.13
1110G 111000.08∼0.130.30∼0.600.040.08∼0.13
1117G 111700.14∼0.201.00∼1.300.040.08∼0.13
1118G 111800.14∼0.201.30∼1.600.040.08∼0.13
1137G 113700.32∼0.391.35∼1.650.040.08∼0.13
1139G 113900.35∼0.431.35∼1.650.040.13∼0.20
1140G 114000.37∼0.440.70∼1.000.040.08∼0.13
1141G 114100.37∼0.451.35∼1.650.040.08∼0.13
1144G 114400.40∼0.481.35∼1.650.040.24∼0.33
1146G 114600.42∼0.490.70∼1.000.040.08∼0.13
1151G 115100.48∼0.550.70∼1.000.040.08∼0.13

Standard Rephosphorized and Resulfurized Carbon Steels

Steel Designation AISI or SAEUNS NumberChemical Composition %
C
Max
MnPS
1211G 121100.13 max0.60∼0.900.07∼0.120.10∼0.15
1212G 121200.13 max0.70∼1.000.07∼0.120.16∼0.23
1213G 121300.13 max0.70∼1.000.07∼0.120.24∼0.33
1215G 121500.09 max0.75∼1.050.04∼0.090.26∼0.35

Note : Leaded steels are not available.

Alloy Steels Standard Alloy Steels

Steel Designation AISI or SAEUNS NumberChemical Composition %
CMnP
Max
S
Max
SiNiCrMo
1330G 133000.28∼0.331.60∼1.900.0350.040.15∼0.35
1335G 133800.33∼0.381.60∼1.900.0350.040.15∼0.35
1340G 134000.38∼0.431.60∼1.900.0350.040.15∼0.35
1345G 013400.43∼0.481.60∼1.900.0350.040.15∼0.35
4023G 402300.20∼0.250.70∼0.900.0350.040.15∼0.350.20∼0.30
4024G 402400.20∼0.250.70∼0.900.0350.035 ~ 0.050.15∼0.350.20∼0.30
4027G 402700.25∼0.300.70∼0.900.0350.040.15∼0.350.20∼0.30
4028G 402800.25∼0.300.70∼0.900.0350.035 ~ 0.050.15∼0.350.20∼0.30
4032G 403200.30∼0.350.70∼0.900.0350.040.15∼0.350.20∼0.30
4037G 423700.35∼0.400.70∼0.900.0350.040.15∼0.350.20∼0.30
4042G 404200.40∼0.450.70∼0.900.0350.040.15∼0.350.20∼0.30
4047G 404700.45∼0.500.70∼0.900.0350.040.15∼0.350.20∼0.30
4118G 411800.18∼0.230.70∼0.900.0350.040.15∼0.350.40∼0.600.08∼0.15
4130G 413000.28∼0.330.40∼0.600.0350.040.15∼0.350.80∼1.100.15∼0.25
4135G 413500.33∼0.380.70∼0.900.0350.040.15∼0.350.80∼1.100.15∼0.25
4137G 413700.35∼0.400.70∼0.900.0350.040.15∼0.350.80∼1.100.15∼0.25
4140G 414100.38∼0.430.75∼1.000.0350.040.15∼0.350.80∼1.100.15∼0.25
4142G 414200.40∼0.450.75∼1.000.0350.040.15∼0.350.80∼1.100.15∼0.25
4145G 414500.43∼0.480.75∼1.000.0350.040.15∼0.350.80∼1.100.15∼0.25
4147G 414700.45∼0.500.75∼1.000.0350.040.15∼0.350.80∼1.100.15∼0.25
4150G 041500.48∼0.530.75∼1.000.0350.040.15∼0.350.80∼1.100.15∼0.25
4161G 416100.56∼0.640.75∼1.000.0350.040.15∼0.350.70∼0.900.25∼0.35
4320G 432000.17∼0.220.45∼0.650.0350.040.15∼0.351.65∼2.000.40∼0.600.20∼0.30
4340G 434000.38∼0.430.60∼0.800.0350.040.15∼0.351.65∼2.000.70∼0.900.20∼0.30
4422G 442200.20∼0.250.70∼0.900.0350.040.15∼0.350.35∼0.45
4427G 442700.24∼0.290.70∼0.900.0350.040.15∼0.350.35∼0.45
4617G 461700.15∼0.200.45∼0.650.0350.040.15∼0.351.65∼2.000.20∼0.30
4620G 462000.17∼0.220.45∼0.650.0350.040.15∼0.351.65∼2.000.20∼0.30
4626G 462600.24∼0.290.45∼0.650.0350.040.15∼0.350.70∼1.000.15∼0.25
4720G 472000.17∼0.220.50∼0.700.0350.040.15∼0.350.90∼1.200.35∼0.550.15∼0.25
4815G 481500.13∼0.180.40∼0.600.0350.040.15∼0.353.25∼3.750.20∼0.30
4817G 481700.15∼0.200.40∼0.600.0350.040.15∼0.353.25∼3.750.20∼0.30
4820G 482000.18∼0.230.50∼0.700.0350.040.15∼0.353.25∼3.750.20∼0.30
5115G 511500.13∼0.180.70∼0.900.0350.040.15∼0.350.70∼0.90
5117G 511700.15∼0.200.80∼0.900.0350.040.15∼0.350.70∼0.90
5120G 512000.17∼0.220.70∼0.900.0350.040.15∼0.350.70∼0.90
5130G 513000.28∼0.330.70∼0.900.0350.040.15∼0.350.80∼1.10
5132G 513200.30∼0.350.60∼0.800.0350.040.15∼0.350.75∼1.00
5135G 513500.33∼0.380.60∼0.800.0350.040.15∼0.350.80∼1.05
5140G 514000.38∼0.430.70∼0.900.0350.040.15∼0.350.70∼0.90
5147G 514700.46∼0.510.70∼0.950.0350.040.15∼0.350.85∼1.15
5150G 515000.48∼0.530.70∼0.900.0350.040.15∼0.350.70∼0.90
5155G 515500.51∼0.590.70∼0.900.0350.040.15∼0.350.70∼0.90
5160G 516000.56∼0.610.75∼1.000.0350.040.15∼0.350.70∼0.90
6118G 611800.16∼0.210.50∼0.700.0350.040.15∼0.350.50∼0.700.10∼0.15V
6150G 615000.48∼0.530.70∼0.900.0350.040.15∼0.350.80∼1.100.15 min.V
8115G 811500.13∼0.180.70∼0.900.0350.040.15∼0.350.20∼0.400.30∼0.400.08∼0.15
81B45G 814510.43∼0.480.75∼1.000.0350.040.15∼0.350.20∼0.400.35∼0.550.08∼0.15
8615G 861500.13∼0.180.70∼0.900.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8617G 861700.15∼0.200.70∼0.900.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8620G 862000.18∼0.230.70∼0.900.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8622G 862200.20∼0.250.70∼0.900.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8625G 862500.23∼0.280.70∼0.900.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8627G 862700.25∼0.300.70∼0.900.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8630G 863000.28∼0.330.70∼0.900.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8637G 863700.35∼0.400.75∼1.000.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8640G 864000.38∼0.430.75∼1.000.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8642G 864200.40∼0.450.75∼1.000.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8645G 864500.43∼0.480.75∼1.000.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
86B45G 864510.43∼0.480.75∼1.000.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8650G 865000.48∼0.530.75∼1.000.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8655G 865500.51∼0.590.75∼1.000.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8660G 866000.56∼0.640.75∼1.000.0350.040.15∼0.350.40∼0.700.40∼0.600.15∼0.25
8720G 872000.18∼0.230.75∼0.900.0350.040.15∼0.350.40∼0.700.40∼0.600.20∼0.30
8740G 874000.38∼0.430.75∼1.000.0350.040.15∼0.350.40∼0.700.40∼0.600.20∼0.30
8822G 882200.20∼0.250.75∼1.000.0350.040.15∼0.350.40∼0.700.40∼0.600.30∼0.40
9254G 925400.51∼0.590.60∼0.800.0350.041.20∼1.600.60∼0.80
9260G 926000.56∼0.640.75∼1.000.0350.041.80∼2.20
9310G 931000.08∼0.130.45∼0.650.0350.040.15∼0.353.00∼3.500.00∼1.400.08∼0.15
94B15G 941510.13∼0.180.75∼1.000.0350.040.15∼0.353.00∼0.600.30∼0.500.08∼0.15
94B17G 941710.15∼0.200.75∼1.000.0350.040.15∼0.350.30∼0.600.30∼0.500.08∼0.15
94B30G 943010.28∼0.330.75∼1.000.0350.040.15∼0.350.30∼0.600.30∼0.500.08∼0.15

Boron Steels

Steel Designation AISI or SAEChemical Composition %
CSiMnPSNiCrMoB
10B180.15∼0.200.15∼0.300.60∼0.900.040 max.0.040 max.
10B210.18∼0.230.15∼0.300.80∼1.100.040 max.0.040 max.
10B220.18∼0.230.15∼0.300.70∼1.000.040 max.0.040 max.
10B250.23∼0.280.15∼0.300.90∼1.200.040 max.0.040 max.
10B300.28∼0.340.15∼0.300.70∼1.000.040 max.0.040 max.
10B330.29∼0.360.15∼0.300.70∼1.000.040 max.0.040 max.
10B350.32∼0.380.15∼0.300.60∼0.900.040 max.0.040 max.
10B360.30∼0.370.15∼0.301.20∼1.500.040 max.0.040 max.
10B380.35∼0.420.15∼0.300.60∼0.920.040 max.0.040 max.
10B400.38∼0.430.15∼0.300.98∼1.250.040 max.0.040 max.
10B410.36∼0.440.15∼0.301.35∼1.650.040 max.0.040 max.
10B430.34∼0.450.15∼0.300.80∼1.100.040 max.0.040 max.
10B480.45∼0.510.15∼0.300.70∼1.000.040 max.0.040 max.
15B230.18∼0.250.15∼0.300.80∼1.100.040 max.0.040 max.0.0005~0.003
15B250.22∼0.300.15∼0.300.75∼1.250.040 max.0.040 max.
15B260.20∼0.300.15∼0.301.00∼1.500.040 max.0.040 max.
15B270.25∼0.300.15∼0.301.35∼1.650.040 max.0.040 max.
15B350.34∼0.390.15∼0.300.95∼1.100.040 max.0.040 max.
15B360.32∼0.370.15∼0.301.20∼1.500.040 max.0.040 max.
15B400.39∼0.440.15∼0.301.10∼1.400.040 max.0.040 max.
15B410.36∼0.440.15∼0.301.35∼1.650.040 max.0.040 max.
15B480.45∼0.510.15∼0.301.50∼1.350.040 max.0.040 max.
50B400.38∼0.430.15∼0.300.75∼1.000.035 max.0.040 max.0.40∼0.60
50B440.43∼0.480.15∼0.300.75∼1.000.035 max.0.040 max.0.40∼0.60
50B460.44∼0.490.15∼0.300.75∼1.000.035 max.0.040 max.0.20∼0.35
50B500.48∼0.530.15∼0.300.75∼1.000.035 max.0.040 max.0.40∼0.60
50B600.56∼0.640.15∼0.300.75∼1.000.035 max.0.040 max.0.40∼0.60
51B200.17∼0.220.15∼0.300.75∼1.000.035 max.0.040 max.0.70∼0.90
51B300.28∼0.330.15∼0.300.75∼1.000.035 max.0.040 max.0.80∼1.10
51B400.38∼0.430.15∼0.300.75∼1.000.035 max.0.040 max.0.70∼0.90
51B600.55∼0.650.15∼0.300.75∼1.000.035 max.0.040 max.0.70∼0.90
81B450.43∼0.480.15∼0.300.75∼1.000.035 max.0.040 max.0.20∼0.400.35∼0.550.08∼0.15
86B450.43∼0.480.15∼0.300.75∼1.000.035 max.0.040 max.0.40∼0.700.40∼0.690.15∼0.25
94B150.13∼0.180.15∼0.300.75∼1.000.035 max.0.040 max.0.30∼0.600.30∼0.500.08∼0.15
94B170.15∼0.200.15∼0.300.75∼1.000.035 max.0.040 max.0.30∼0.600.30∼0.500.08∼0.15
94B300.28∼0.330.15∼0.300.75∼1.000.035 max.0.040 max.0.30∼0.600.30∼0.500.08∼0.15

Inspection & Approval Certificates : C/W Certificate (Calibration Works Certificate) EN 10204 3.1 / DIN 50049 3.1 / ISO 10474 3.1 Mill Test Certificate,
NACE HIC TM-0284 / NACE MR-0103 / NACE MR-0175 / ISO 15166, CE Marked, European Pressure Equipment Directive PED-2014/68/EU, AD-2000-WO,
ASME Boiler & Pressure Vessel Code Section-II Washer A Edition 2019, API 6A (American Petroleum Institute), with 3.2 Certificate duly Certified &
Approved by IBR (Indian Boiler Regulations), LR Class (Lloyd’s Register), GL (Germanischer Lloyd), BV (Bureau Veritas), DNV (Det Norske Veritas),
ABS Class (American Bureau of Shipping), SGS, TUV, RINA, IR Class (Indian Register of Shipping), NORSOK Approved Standard M-630, M-650 Rev.3

If you have any requirement of above items, please feel free to contact us

Regards,

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MUKESH SHAH
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