Quenched and Tempered Steel SAE4140 SAE4145 SAE4340 SCM440 42CrMoS4 708M40 Steel Round Bar

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
30 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

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


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