china alloy steel manufacturer

Dongguan songshun mould steel co., LTD which is a Industrial and Trading Company with 3500 – 7000ts hydraulic forging machine. We provide a great variety of steels, competitive price with good quality and keep the mass stock are over 20000 tons.

Our main products are round and flat bars for alloy steel, tool steel, stainless steel, spring steel, bearing steel and etc. In those years we offers a wide range of high quality steel for automobile manufacturing, engineering machinery, mold tooling, cutting tools manufacturing industry and also get the high praise by customers around the world. Including Canada, Australia, Brazil, Turkey, Malaysia, Vietnam, Iran, Pakistan, The United Arab Emirates, UK and etc.

If you wanna get the quotation for steel, please feel free to contact us. With the large stock and excellent production technology, strong production capacity, excellent product quality, we will be your great choice steel supplier and manufacturer.

If you can not find the steel grade that you need as below, just kindly contact us. We will give you the best answer.

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No.Equivalent GradeChemical Composition(%)Application
GBAISI/ASTMDINJISENCSiMnPSCrMoWVNiOtherHardness (HBW)
1Cr12D31.2080SKD1X210Cr122.00-2.30≤0.40≤0.40≤0.030≤0.03011.50-13.00-----217-269For press mold, knife mold, screw mold.
2Cr12MoV D31.2601SKD11X165CrMoV121.45-1.70≤0.40≤0.40≤0.030≤0.03011.00-12.500.40-0.60-0.15-0.30--255-207For all kinds of press mold and tool.
3Cr12Mo1V1D21.2379SKD10X153CrMoV121.40-1.60≤0.60≤0.60≤0.030≤0.03011.00-13.000.70-1.20-0.50-1.10-Co≤1.00≤255For pounch mold, knife mold, screw mold, chinaware mold.
4Cr12WD61.2436SKD2X210CrW122.00-2.30≤0.40≤0.40≤0.030≤0.03011.50-13.00-0.60-0.80----For poucnh mold, press mold, mech mold.
59CrWMnO11.2510SKS3-2.00-2.30≤0.40≤0.40≤0.030≤0.03011.50-13.00-0.60-0.80----For thin pounch mold, headgear mold.
69Mn2VO21.2842SKS31107WCr50.85-0.95≤0.401.70-2.00≤0.030≤0.030---0.10-0.25--≤229For precision mould, Gauge, precision ball screw, Grinding machine spindle.
7CrWMn-1.2419SKS31-0.90-1.05≤0.400.80-1.10≤0.030≤0.0300.90-1.20-1.20-1.60---255-207For cold-punching mould, die, insert, cold mold.
8Cr5Mo1VA21.2363SKD12-0.95-1.05≤0.50≤1.00≤0.030≤0.0304.75-5.500.90-1.40-0.15-0.50--≤255For pounch mold with heacy load and complicated shape, cutters, knife.
94Cr5MoSiV1H131.2344SKD61-0.32-0.420.80-1.200.20-0.50≤0.030≤0.0304.75-5.501.10-1.75-0.80-1.20--≤235For aluminum,magnesium,zinc extrusion mold and casting mold.
104Cr5MoSiVH111.2343SKD6-0.33-0.430.80-1.200.20-0.50≤0.030≤0.0304.75-5.501.10-1.60-0.30-0.60--≤235For aluminum,magnesium,zinc extrusion mold and casting mold.
113Cr2W8VH211.2581SKD5-0.30-0.40≤0.40≤0.40≤0.030≤0.0302.20-2.70-7.50-9.000.20-0.50--255-207For die casting mold.
124Cr3Mo3SiVH101.2365SKD7-0.35-0.450.80-1.200.25-0.70≤0.030≤0.0303.00-3.752.00-3.00-0.25-0.75--≤229For hot stamping mold, hot forging mold,hot rolling mold and plastic mold.
134Cr5Mo2SiV1.2367-0.35-0.450.80-1.200.25-0.70≤0.030≤0.0303.00-3.752.00-3.00-0.25-0.75--≤229For aluminum,magnesium,titanium extrusion mold.
145CrNiMoL61.2713-0.50-0.60≤0.400.50-0.80≤0.030≤0.0300.50-0.800.15-0.30--1.40-1.80-197-241For large and medium sized hammer forging die.
155CrNiMoV1.2714SKT4-0.50-0.60≤0.400.50-0.80≤0.030≤0.0301.00-1.200.45-0.55-0.07-0.121.40-1.80-197-241For large and medium sized hammer forging die.
163Cr2MoP201.2311SCM4-0.28-0.400.20-0.800.60-1.00≤0.030≤0.0301.40-2.000.30-0.55----330-280For pre-hardend pouring plastic mold, can polish currently.
173Cr2MnSP20+S1.2312-0.35-0.450.30-0.851.40-1.60≤0.030≤0.0301.80-2.000.15-0.25----≤230For pre-hardend pouring plastic mold, can pollish currenty.
183Cr2NiMoP20+Ni1.2738-0.32-0.400.20-0.401.10-1.50≤0.030≤0.0151.70-2.000.25-0.40--0.85-1.15-330-280For pre-hardend big size of pouring plastic mold, can be polish currenty.
1915Ni3MnP2118Ni-0.10-0.200.20-0.411.60-1.80≤0.030≤0.015-0.25-0.35--2.80-3.70Cu:1.00≤235For pre-hardend big size of pouring plastic mold, can be polish
204Cr134201.2083SUS420J2-0.35-0.430.20-0.800.55-0.95≤0.028≤0.02013.00-14.00-≤0.60---255For mold of polishing galsses and plastic
214Cr164201.2316SUS420-0.35-0.44≤0.100.55-0.95≤0.028≤0.02015.50-16.500.80-1.60≤1.00---255For mold of plastic with stronger coorrupt-resisting
222Cr134201.4021SUS420J1-0.15-0.25≤0.10≤0.10≤0.035≤0.03013.50-14.50-≤0.60---223For Vane steamer.
No.Equivalent GradeChemical Composition(%)Application
GBAISI/ASTMDINJISENCSiMnPSCrMoNiVOther
140Cr51401.7035SCr4400.37-0.440.17-0.370.50-0.80≤0.035≤0.0350.80-1.10For shaft, screw bolt, joint shaft in widely use.
242CrMo41401.7225 SCM4400.38-0.450.17-0.370.50-0.80≤0.035≤0.0350.90-1.200.15-0.25
338CrMoAI1.85090.35-0.420.20-0.450.30-0.60≤0.035≤0.0351.35-1.650.15-0.25AI: 0.70-1.10
440CrMnMo41421.72250.37-0.450.17-0.350.90-1.20≤0.035≤0.0350.90-1.200.20-0.30For main shaft of steamer, bilt for 400℃. Hummar shank. Bigger section than 35CrMo.Supper force
540CrNiMoA43401.6511SCM4390.37-0.440.17-0.370.50-0.80≤0.035≤0.0350.60-0.900.15-0.251.25-1.65
640CrNiMoA43401.65820.37-0.440.17-0.370.50-0.8≤0.035≤0.0350.60-0.900.15-0.251.25-1.65
720CrNiMo86201.6523 0.17-0.230.17-0.370.60-0.95≤0.035≤0.0350.40-0.700.20-0.300.35-0.75For vane, shaft, bolt of large dia steamer.
815CrMn51151.71310.12-0.180.17-0.371.10-1.40≤0.035≤0.0350.40-0.70For vane, shaft, bolt of large dia steamer.
920CrMn51201.71470.17-0.230.17-0.370.90-1.20≤0.035≤0.0350.90-1.20
1015CrMo1.72620.12-0.180.17-0.370.40-0.700.0350.0350.80-1.100.40-0.55
1120CrMo41181.72640.17-0.240.17-0.370.40-0.70≤0.035≤0.0350.80-1.100.15-0.25
1225CrMo1.72180.17-0.240.17-0.370.40-0.70≤0.035≤0.0350.80-1.100.15-0.25
1330CrMoSCM4300.26-0.340.17-0.370.40-0.70≤0.035≤0.0350.80-1.100.15-0.25
1435CrMo41351.7220.32-0.400.17-0.370.40-0.70≤0.035≤0.0350.80-1.100.15-0.25For main shaft of steamer, bilt for 400℃. Hummar shank.
15GCr151.3505 E521000.95-1.050.15-0.350.25-0.45≤0.025≤0.0251.40-1.65≤0.10≤0.30Cu≤0.25
1650CrV61501.81590.47-0.540.17-0.370.50-0.80≤0.035≤0.0350.80-1.10--0.10-0.20Spring steel for gas engine, car within 200℃.
1786400.38-0.430.15-0.350.75-1.00≤0.035≤0.0400.40-0.600.15-0.250.40-0.70
1898400.35-0.430.15-0.40
0.50-0.800.60-1.000.15-0.250.70-1.00AI: 0.020-0.050
No.Equivalent GradeChemical Composition(%)Application
GBAISI/ASTMDINJISCSiMnPSCrMoNiCuOtherHardness (HBW)
14510451.1191S45C0.42-0.500.17-0.370.50-0.80≤0.035≤0.035≤0.25-≤0.30≤0.25-≤229For mold base and machine parts.
25010501.1210S50C0.47-0.550.17-0.370.50-0.80≤0.035≤0.035≤0.25-≤0.30≤0.25-≤241For mold base and machine parts.
No.Equivalent GradeChemical Composition(%)Application
GBAISI/ASTMDINJISCSiMnPSCrMoWVNiOtherHardness (HBW)
1W18Cr4VT11.3355SKH20.70-0.800.20-0.400.10-0.40≤0.030≤0.0303.80-4.40≤0.3017.50-19.001.00-1.40--≤255For cutters in common use.
2W18Cr4VCo5T41.32550.70-0.800.20-0.400.10-0.40≤0.030≤0.0303.75-4.500.40-1.0017.50-19.000.80-1.20-Co:4.25-5.75≤269For cold work mould and various kinds of cutters
3CW6Mo5Cr4V2M21.33420.95-1.050.20-0.450.15-0.40≤0.030≤0.0153.80-4.404.50-5.505.50-6.751.75-2.20--≤269For vaired cutters and cold work mole wuth wearproof
4W6Mo5Cr4V2M21.3343SKH510.80-0.900.20-0.450.15-0.40≤0.030≤0.0153.80-4.404.50-5.505.50-6.751.75-2.20--≤255For vaired cutters and cold work mole wuth wearproof
No.Equivalent GradeChemical Composition(%)Application
GBAISI/ASTMDINJISCSiMnPSCrNiMoCuVNbHardness (HBW)
10Cr17Ni12Mo23161.4401/1.1136SUS 316≤0.08≤1.00≤2.00≤0.045≤0.03016.00-18.0010.0-14.02.00-3.00---28Stronger corrupt resisting for part of corrupting by sea water and screw bolt by hi-temperature
221Cr13410≤0.15≤1.00≤1.00≤0.040≤0.02811.50-13.503.000.60---38-42Blades, machine parts, bolts, nuts, pumps, oil refining device.
36Cr18Mo440A1.4109SUS 440A0.60-0.75≤1.00≤1.00≤0.040≤0.02816.0-18.0-≤0.75---56-58Bearings, measurement tools, high corrosion resistance of cutting tools.
40Cr17Ni4Cu4Nb630SUS630≤0.70≤1.00≤1.00≤0.035≤0.02815.5-17.53.00-5.00-3.00-5.00-0.15-0.45≤38Helicopter deck, turbine blades, nuclear waste drum

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