C22 Carbon 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:

C22 Carbon Steel Round Bars                             

Technical Paramenters 

Chemical Composition

Mechanical Properties (In Quenched & Tempered State)

C

0.37-0.44 %

Tensile strength(MPA) 

≥980(100)

Si

0.17-0.37 %

 Yield strength (MPA)

≥785(80)

Mn

0.50-0.80 %

 Elongation (δ5/%)

≥9

Cr

0.80-1.10 %

 Reduction in Area (ψ/%)

45

Ni

≤0.30 %

 Impact  (J)

 47

P

≤0.035 %

 Impact toughness value αkv (J/cm2)

≥59(6)

S

≤0.035 %

 Hardness 

≤207HB

Cu

≤0.030 %



Grade/Material

1020 1045  4140 4130 4150 ASTM A36 A105 S20C S45c SCM440  

Available sizes

Round: Dia. 9.5300mm Square:8*8-160*160mm

Flat: Thickness 10120mm, width 305  2200mm

Size tolerance

Length tolerance:+100mm/-0mm

Straigthness:<=3mm/m

Delivery 

condition

Hot rolled or cold drawn or  forged, turned or black surface, annealed or QT as customers request 

Applications

Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.

Inspection

100% Ultrasonic according to the test standards:

SEP1921-84,GR.3 CLASS C/C 

Packing situation

In bundle or as customer required

Process

 EAF+LF+VD ( necessary) +UT+ Peeled(optional)  +Turned (optional) + Heat Treatment (optional)

Delivery time

30days after the down payment

Payment term

T/T or L/C 


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 

 C22 Carbon 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's the difference between round steel and carbon bound steel?
The strength of different steel strength low carbon steel, high strength, the 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 and deformation in the break before, pulled off in carbon the steel is much smaller.
Q:4145H round steel is equivalent to the domestic brand?
42CrMo steel is ultra high strength steel, high strength and toughness, hardenability is also good, no obvious temper brittleness, after quenching and tempering treatment have high fatigue limit and anti shocksand low temperature impact toughness. The steel is suitable for making large and medium plastic moulds with certain strength and toughness.
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:Are lightning checks required for galvanized steel, flat steel and round steel?
The corrosion resistance of cold galvanizing is not as good as that of hot-dip galvanizing. It is used as lightning protection and grounding material. It is corroded quickly, and the grounding resistance is raised rapidly. It exceeds the required resistance.
Q:20# difference between round bar and A3 round bar, can they be used separately?
20# rounds are plain carbon steel, as well as 10#, 20#, 45#, etc.A3 round bar is Q235, grade is ABCDE, etc., commonly used is Q235BIn use performance, 20# hardness is strong, but the elasticity is bad, welding performance is poorA3 hardness is less, but good elasticity, good welding performanceAs for specific can not be replaced, mainly depends on the use of places.
Q:What are the scientific names of round bar and screw steel?
Steel: steel is commonly known as hot rolled ribbed bar. Ordinary hot rolled steel bars are made up of HRB and the minimum yield point of the brand.
Q:How can a round steel weld on a flat steel plate be flat and qualified?
It is required that the current is suitable and the bar is stable. If required, the groove can be turned on the round steel to ensure that the welding is beautiful and qualified
Q:Is steel bar round wire? What's the difference? What are the main applications of wire rod?
Round steel is a solid strip of steel whose cross section is round. The specifications are expressed in millimeters of diameter, such as "50", which means a round bar of 50 millimeters in diameter.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:Can steel bars be replaced by large screws in the concrete floor?
In theory, how big a round steel will have to replace the large thread steel, and if it is cast, then still better to use thread steel, screw steel tensile resistance than round steel by strong
Q:Difference between cold drawn round steel and round steel
Cold formed steel allows partial buckling of the cross section, thus taking full advantage of the post buckling capacity of the member, while the hot-rolled section does not allow partial buckling of the cross section.

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