ASTM, GB Standard Hot Rolled Deformed Steel Rebars

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Loading Port:
Lianyungang
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
200000 m.t./month

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Product Description:

Specifications of ASTM, GB Standard Hot Rolled Deformed Steel Rebars:

Standard

GB

HRB400


Diameter

6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,

22mm,25mm,28mm,32mm,36mm,40mm,50mm



Length

6M, 9M,12M or as required


Place of origin

Hebei, China mainland


Advantages

exact size, regular package, chemical and   mechanical properties are stable.


Type

Hot rolled deformed steel bar


Brand name

DRAGON


Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)

Grade

Technical data of the original chemical composition (%)

C

Mn

Si

S

P

V

HRB400

≤0.25

≤1.60

≤0.80

≤0.045

≤0.045

0.04-0.12

Physical capability

Yield Strength (N/cm²)

Tensile Strength (N/cm²)

Elongation (%)

≥400

≥570

≥14

Theoretical weight and section area of each diameter as below for your information:

Diameter(mm)

Section area (mm²)

Mass(kg/m)

Weight of 12m bar(kg)

6

28.27

0.222

2.664

8

50.27

0.395

4.74

10

78.54

0.617

7.404

12

113.1

0.888

10.656

14

153.9

1.21

14.52

16

201.1

1.58

18.96

18

254.5

2.00

24

20

314.2

2.47

29.64

22

380.1

2.98

35.76

25

490.9

3.85

46.2

28

615.8

4.83

57.96

32

804.2

6.31

75.72

36

1018

7.99

98.88

40

1257

9.87

118.44

50

1964

15.42

185.04

Usage and Applications of ASTM, GB Standard Hot Rolled Deformed Steel Rebars:

Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy  and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger..

Packaging & Delivery of ASTM, GB Standard Hot Rolled Deformed Steel Rebars:

Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.

Each bundle weight: 2-3MT, or as required

Payment term: TT or L/C

Delivery Detail: within 45 days after received advanced payment or LC.

Label: to be specified by customer, generally, each bundle has 1-2 labels

Trade terms: FOB, CFR, CIF

Deformed Steel Bar in container

Deformed Steel Bar in container

Deformed Steel Bar in factory

Deformed Steel Bar in factory

Note:

1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.

2. Other Grade and Standard Deformed Steel Bar we can supply:

   Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S

   Standard: ASTM, BS, DIN

   The Minimum Order Quantity of these products is high, and need to be confirmed.

3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.

4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.


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Q:Two grade steel and three grade steel difference, the construction of the use of thread steel in general how to use the level?
The difference is mainly in strength. The higher the grade, the greater the tensile strength.
Q:How heavy can a 25 mm thread steel bear?
25 thread steel one meter 3.86kg.Method of calculation: 0.00617 times the square of the diameter of the steel bar. The weight of each diameter of the steel bar (kg) can be calculated.
Q:What is the national standard of thread steel No. 8?
Rebar national standard: transverse rib nominal spacing shall not be greater than 0.7 times the nominal diameter of steel, the cross rib side and the steel surface of the angle of alpha may not be less than 45 degrees. When the steel nominal diameter less than 12mm, the relative rib area should not be less than 0.055, the nominal diameter of 14mm and 16mm, the relative rib area should not be less than 0.060, the nominal diameter is more than 16mm, the relative rib area should not be less than 0.065. Therefore, the nominal diameter of rebar No. 8 national standard steel bar relative rib area shall not be less than 0.055mm
Q:How many kinds of steel are needed to build the building?
The construction steel used to construct buildings can usually be divided into steel structures, steel and reinforced concrete structures. Steel structural steel mainly consists of ordinary carbon structural steel and low alloy structural steel. It's made of steel, steel pipe and steel bar. There are angle steel, I-beam and channel steel in section steel. Reinforcing bars for reinforced concrete structures.
Q:What does it mean to have 22 4GJ on the threaded steel?
4GJ22 these are the basic information of reinforcement, equivalent to the identity card information. The steel plant on behalf of grade four steel (HRB500) GJ is Hangzhou iron and then the nominal diameter is 22.
Q:What is the difference between plate and steel?
Screwed steel is a kind of thread steel, refers to the steel surface spiral rib ribbed steel, steel wire like also refers to as disc together.
Q:What is the difference between grade two and three grade steel?
But from the definition we can see more of the same point, all belong to the common low alloy hot rolled ribbed steel bars; belong to (usually said that the rebar); can be used for engineering in reinforced concrete structure.
Q:Is the theoretical weight of threaded steel and round steel 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:How to recognize high quality thread steel
There is from the surface quality, the normal inferior steel with adobe rolling, the surface quality is poor, often with surface defects, the overall roughness and the surface color is red; regular steel in the factory when the thread steel and real metal plate corresponding to the marked manufacturers, batch number, specifications and grades of steel, test code.
Q:Can the end of the steel bar be inserted by the steel bar?
Chemical method of planting steel refers to the concrete, walls, rock and other materials on the drilling, and then injected into high-strength steel planting glue (Note: high-strength construction bar planting glue is roughly divided into injection type planting glue and barrel type steel planting glue two). Then insert the steel bar or section bar, glue and solidify the steel bar and the base material bond as an integral whole, it is a kind of construction technology that is more commonly used in reinforcing and reinforcing industry.

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