Steel Round Bars Reliable Manufacturer from China

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
400 m.t.
Supply Capability:
4555553 m.t./month

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Product Description:

Description of steel round bar:

1. Commodity: Round steel bar 

3. Technical: Hot rolling 
2. Length: Min. 5.8meter, according to requirement.


Festures of steel round bar:

1.Dia 80-800mm Length:2000-13000mm or as required 
2.Technique:Forged 

 

Specifications of steel round bar:

1. Standards:  AISI 4340 8620 8640 4320 , JIS SNCM8  GB:40CrNiMoA 

2. Specification: Dia: 80~450mm  Length:2000-13000mm or as required

3. Process:  EAF+LF+VD ( necessary)    UT+ Peeled +Turned + Heat Treatment (optional). It is used in the manufacture of a higher strength and higher quenching and tempering section of the 35CrMo steel, like big locomotive traction gears, supercharger drive gear, rear axle, the connecting rod and the spring load greatly clip,it can also be used for 2000m following oil well drill pipe joints and fishing tools,and can be used for bending machine dies, etc.

4. Chemical Composition (%):

C

Si

Mn

S

P

Cr

Ni

Cu

Mo

0.37-0.44

0.17-0.37

0.40-0.80

0.025(max)

0.025(max)

0.60-0.90

1.25-1.65

0.025(max)

0.15-0.25

 

Images of steel round bar:

Steel Round Bars Reliable Manufacturer from China

FAQ:                                               

1. What is your package?

Packing situation: standard seaworthy packing or as customer required.

2. How long is the lead time?

Delivery time: 45 days after order confirmed.

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Q:Difference between forging and round steel
The castings need to be uniform in each piece without any porosity, excess space, inclusions, or other defects. The component produced by this method has a high ratio of strength to weight. These elements are usually used in aircraft structures.
Q:The two project is to use rebar or rebar?
Of course, depends on what steel is used for components, such as the two structure of the structure column, and other minor parts, it does not matter. Suggest a slightly larger span of the floor, do not use round steel bar, or the use of thread steel bar, and then with anti crack steel.
Q:Will the theoretical weight of thread steel and round steel be the same?
The difference between such rebar and round bars with longitudinal ribs and transverse rib surface, usually with two longitudinal ribs and transverse ribs along the length direction of the uniform distribution.
Q:What are the main differences between wrought round steel, hot rolled round steel and cold drawn round steel? Where are they used separately?
Round steel three processing methods are more common, should be very wide surface. Hot rolled round steel, used in construction and general hardware parts processing is very common.
Q:Weight algorithm of round steel
1, the appearance is different, round steel appearance of round, no grain without ribs, other steel surface appearance has carved or ribbed, this causes the round bar and concrete bonding force is small, and other steel and concrete bonding force.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: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:What kind of nuts do you need for round 20 rounds?
The M22 thread can be made, if made M20, need a car off some. You may be talking about support, depending on how big your lead screw is.Stainless steel round bar refers to the solid steel strip with round section. The specifications are expressed in millimeters of diameter, such as "50", which means a stainless steel round bar of 50 millimeters in diameter.
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:What's the difference between bearing steel and round steel?
Steel is an important material for national construction and the realization of the four modernization indispensable, its wide application, wide variety, according to the different steel profile is generally divided into sections and plates, pipes and metal products four categories, in order to facilitate the organization of steel production, supply management and order management, and divided into heavy rail, light rail, large steel, and steel, small steel, steel cold-formed steel, high-quality steel, wire rod, steel plate, steel sheet, electrical silicon steel sheet, strip steel, seamless steel pipe, welded steel pipe, steel, metal products and other varieties.
Q:What is the difference between gcr12 round bar and Cr12 round bar? Can it be used in general?
GCr12 is the bearing steel, belongs to the high carbon chromium bearing steel, the chromium Cr content is about 1.2%, other alloy element's indication method and the alloy structural steel alloy content is same. The utility model is mainly used as a ferrule and a rolling body of a rolling bearing under general service conditions.

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