Loading Port:China main port
Payment Terms:TT OR LC
Min Order Qty:30 m.t.
Supply Capability:10000 m.t./month
Quenched and Tempered Steel SAE4140 SAE4145 SAE4340 SCM440 42CrMoS4 708M40 Steel Round Bar
Products Details
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 | ||
2. Product Application Areas
Our products have been used in all kinds of areas, such as aviation,aerospace,navigation,nuclear energy,chemical industry,electronic information,achine manufacture, petrochemical, automotive,instrument and meter, Communication ,transportation, and medical instruments, etc.
3. Similar steel grade & equivalent steel materials
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 |
Product Sales Information
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 |
Company Main Products
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, |
Products Show
Application
| Carbon Steel | Mold bottom, Plastic mold, Construction machinery parts Automobile parts, Security grills, Screens, Construction |
| Bearing Steel | Aerospace, Navigation, Nuclear energy, Chemical industry Electronic information, Petrochemical, Instrument and meter Transportation |
| Cr-Mo Steel | Mechanism & Fasteners gear, Stressed components for vehicles Engines and machines, Parts of larger cross-section |
| Gear Steel | All kinds of gears, Statically and dynamically stressed component for vehicles Engines and machine, Larger cross-section parts, Crankshafts |
Work Shop
Company Information
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
FAQ
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
Packaging & Delivery
1, Packaging: seaworthy package or as required
2, Delivery: 35-45 days or based on quantity
