Product Basic Information:
1.Chemical Composition and Mechanical Properties(In Quenched & Tempered State):| Material | 4140 | ||
| Chemical Composition | Mechanical Properties(In Quenched & Tempered State) | ||
| C | 0.38-0.45 | Tensile strength(MPA) | ≥ 1080 |
| Si | 0.17-0.37 | Yield strength (MPA) | ≥ 930 |
| Mn | 0.50-0.80 | Elongation(δ5/%) | 12 |
| Cr | 0.90-1.20 | Reduction in Area (ψ/%) | 45 |
| Mo | 0.15-0.25 | Impact (J) | 63 |
| P | ≤ 0.035 |
Hardness |
≤ 217HB |
| S | ≤ 0.035 | ||
| Cu | ≤ 0.30 | ||
| Ni | ≤ 0.30 | ||
| USA | Japanese | Gemany | British | France | International | Chinese |
| ASTM&AISI&SAE | JIS | EN DIN | EN BS | EN NF | ISO | GB |
| 4140 | SCM440 |
42CrMo4
1.7225 |
42CrMo4
1.7225 |
42CrMo4
1.7225 |
------ | 42CrMo |
| Material | 4140 steel round bar |
| Size |
Diameter:20mm-1000mm
Length:500mm-6000mm |
| Origin place | Made In China |
| Delivery Condition | Hot rolled,cold drawn,forged |
| Surface require | Black,grinding,bright,polish |
| Heat treatment | Quenched,Tempered,annealed |
| Packing | seaworthy packing ,wooden case ,carton,woven bag or at client's requires |
| Delivery time | In 10-50 days |
| Trade Term | EXW,FOB,CIF |
| Payments | T/T or L/C at sight |
| Port | China main Port,such as shanghai,Dalian,Shenzhen port. |
| MOQ | 1 Ton |
| Alloy Steel |
4140,4142,42CrMo4,1.7225,SCM440,4130,SCM430,25CrMo4,1.7218,34CrNiMo6,
1.6582,4340,SNCM439,36CrNiMo4,1.6511,SACN645,1340,SMn438,SNC236, |
| Tool Steel |
H13,1.2344,SKD61,D2,SKD11,1.2379,1.2510,01,SKS3,95MnWCr5,D3,SKD1,1.2419,
SKS31,H21,SKD5,1.2581,P20,35CrMo7,1.2738,1.2316,M2 |
| Bearing Steel | GCr15,52100,SUJ1,SUJ2,100Cr6,1.2067,55C,8620,4320,9310,440C,M50 |
| Spring Steel |
9260,SUP6,SUP7,1.7108,54SiCr6,1.7102,5155,SUP9,1.7176,5160,1.7177,6150,
SUP10,51CrV4,1.8159 |
| Stainless Steel |
321,sus321,1.4541,304,SUS304,1.4301,410,SUS410,1.4006,420,1.4021,1.4028,
434,1.4113,316L,SUS316L,1.4435,630,1.4542,431,1.4057, |