1040 Carbon Structural Steel Round Bars

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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:

1040 Carbon Structural Steel Round Bars            

                       

Products Details 

Mild steel is sometimes referred to as carbon steel or plain steel. Typically, it is stiff and strong. Carbon steels do rust easily, but they can be easily painted or primed. They are cheap so they are the normal choice for most fabrications. Mild Steel can be easily cut or drilled to meet your requests.


Mild Steel Round Bar is used for making security grills, screens, Construction and Machine Manufacture.


Material: Q195; Q235; A36; SS400; ST37; SAE1006/1008; S275JR; 20#; 45#; Q345,S355JR; 16Mn; ST52;

                42CrMo; 40CrNiMo etc.


1. Sizes Information

Sizes detalisdiameter16-320mm
length3-12m(canbe customerized)
Sizes tolerancelength+/-100mm
Straightness3mm/m

2. Grade Comparison

GBASTMJISDINBSNF
40#1040S40CC40IC40080M40C40

3. Chemical Composition

CSiMnCr(≤)Ni(≤)Cu(≤)
0.37-0.440.17-0.370.5-0.80.250.30.25

4. Mechanical Properties

Tensile Strength(Mpa)Yield Strength(Mpa)ElongationShrinkageAkv(J)
570335194547


Products Show 

 


Product Overviews 

Product NameTypical GradesDiameter(mm)Standard adopted
Carbon Steel20 (1020/S20C/C22)Ø16-Ø300

 

 

GB/SAE/JIS/DIN

 

40 (1040/S40C/C40)
45 (1045/S45C/C45)
Bearing SteelGCr9 (51100/SUJ1)Ø12-Ø250
GCr15 (52100/SUJ2/100Gr6)
GCr9SiMn (A485-Gr.1/SUJ3)

 

Cr-Mo Steel

20Cr (5120/SCr420H/20Cr4)Ø12-Ø250
40Cr (5140/SCr440/41Cr4)
42CrMo(4140/SCM440/42CrMo4)
Gear Steel20CrNiMoØ16-Ø600
20CrMn(5115/SMnC420/20MnCr5)
20CrNiMo(8620/SNCM220/20CrMiMo2)


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 

 1040 Carbon Structural Steel Round Bars


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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Q:What is the difference between steel and flat steel, round steel and steel?
In fact, for the processing of raw materials are the same, is used when the roller rolling pressure is not the same, there are many different types of tooth roller shaft, can produce different steel, the steel section is square, round cross section is round
Q:Cold drawn steel wire is a round bar or thread steel in Construction Engineering?
Cold drawn steel wire should be the same as round steel and thread steel! Their forming process and the meaning of the place used are different, and the quota is also different, cold drawn steel wire is cold drawn steel wire, strictly speaking, there is no mix together.
Q:What's the difference between pure iron round steel and electromagnetic pure iron bar?
It's another matter! So to sum up, the two are in principle a kind of thing! However, some of the small partners who are strong in pure iron are accustomed to using "round bar" to indicate some big caliber specifications. "Bar material" is used to indicate the specifications of small caliber.
Q:The difference between galvanized round bar and galvanized flat steel?
Round steel (grade 1 steel) belongs to ordinary low carbon steel with low strength. However, the plasticity of the round bar is stronger, that is, the round steel has a larger deformation before it is pulled off.It has been widely used in the fields of hardware, construction, automobile, shipbuilding, petrochemical, machinery, medicine, food, electricity, energy, space, etc.. The most extensive machining of general machine parts, general rod type steel parts, CD pole, bolt, nut.Refers to the galvanized flat steel width 12-300mm, thickness 4-60mm, cross section is rectangular and with pure edge of galvanized steel. Galvanized flat steel can be finished steel, also can be galvanized pipe blank and galvanized belt. With high strength, light structure: strong grid welding structure, so that it has high load, light structure, easy lifting and other features, beautiful appearance, durable.
Q:Is round steel round steel?
The difference between steel and other steel: 1 is not the same, round shape light round, no pattern without ribs, other steel surface appearance is engraved or ribbed, cohesive force that cause steel and concrete, and the bond strength of steel and concrete in the other. 2 ingredients are different, round steel (grade a steel) belongs to ordinary low carbon steel, and other steel bars are mostly alloy steel. 3 strength, steel and other steel with high strength low strength, namely, diameter of the same size as compared with other steel, round steel can bear the pulling force than other reinforced small, but the plastic steel reinforced bar is stronger than the other, there is a large deformation in the break before, and it reinforced the deformation the break before the much smaller
Q:What is the mechanical properties of No. 40 round bar?
40# stands for steel grades, round bars for steel profiles, mechanical properties for steels, tensile strength, yield point, (cattle / mm, 2) elongation, shrinkage (%), impact energy, Ak (coke), state, hardness, HB<
Q:Round bar, flat steel, not reinforced?
Flat steel: can be used to make iron, tools and machinery parts, building used as housing structure, escalator.All belong to section steel. Round steel can be used as reinforcing steel, which is often referred to as light round bar and primary steel. Flat steel is finished steel, not steel.
Q:Which is hard, round steel or screw steel?
Round bar is divided into three parts: hot rolling, forging and cold drawing. Standard Specification for hot rolled round steel is 5.5-250 mm. Of them: 5.5-25 mm small round bars are mostly supplied by straight strips. They are used as reinforcing bars, bolts and various mechanical parts. They are more than 25 millimeters of round steel. They are mainly used in the manufacture of mechanical parts or seamless steel tube billets
Q:Which is stronger, steel pipe or round steel? Which is good at bending?
Of resistance to shearing, of course, of high round steel, generally used with steel tubes (light weight and material saving) for transmitting torque
Q:What is galvanized round bar?
Galvanized round bar generally refers to the wiring used for lightning protection in construction and installation. It is made of ordinary round steel (usually 8mm to 12mm diameter) and protected by electro galvanized protection layer. Galvanizing, differentiation, plating and electroplating, cold galvanizing and hot galvanizing etc..

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