Hot rolled high quality deformed bar ASTM A615 GR40

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
20000000 m.t./month

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Product Description:

Deformed Bar Details:

Product Description:

Specifications of HRB400 Deformed Steel Bar:

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 HRB400 Deformed Steel Bar:

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 HRB400 Deformed Steel Bar:

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


  • Steel Rebar / Deformed Bar / Reinforcing Bar

Steel Rebar / Deformed Bar / Reinforcing Bar

Steel Rebar / Deformed Bar / Reinforcing Bar



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Q:What is the content ratio of the screw steel and manganese steel?
Steel: content index mainly includes: C, Mn, P, S, Si, different grades, different content, its range is C (0.10 ~ 0.40%), Mn < 1.80%, P < 0.050%, S < 0.050%, Si (0.60 ~ 1%).
Q:What is the quality difference between round bar and screw steel?
Different shape. The outer surface of the round steel is smooth; the outer surface of the spiral steel has a spiral rib. 2. different production standards. In the current standard, round bar that HPB235 grade steel, and its production standards are "hot-rolled smooth steel reinforced concrete" (GB13013); rebar generally refers to HRB335 and HRB400 grade steel, its production standard is "the reinforcement of concrete hot rolled ribbed bar" (GB1499). 3. different strength. The design strength of round steel (HPB235) is 210MPa; the strength of thread steel is higher than that of round bar; the design strength of HRB335 is 300MPa; the design strength of HRB400 is 360MPa.
Q:Cast-in-place with 10 mm reinforcement, a good layer or 8 mm double layer? Why?
Double reinforcement should be adopted for roof bar reinforcement.(5) double deck two-way steel bars shall be installed in cast-in-place slabs with a thickness of more than 120mm.
Q:What is the length and size of thread steel?
Steel is known as hot rolled ribbed bar.Specification requirements for threaded steel shall be specified in the import and export trade contract. Generally should include the standard grade (type code), the nominal diameter of steel, nominal weight (quality), the length of the specifications and the allowable difference between the above indicators.
Q:What is the difference between three - grade steel and other grades?
Three rebar is the new standard name for HRB400 steel, three steel for the old, as a kind of hot rolled ribbed bar. In construction, three - grade rebar is called the past.
Q:Is the tie bar used for the longitudinal joint of cement concrete pavement threaded or smooth? Where is the dowel bar for the transverse joint construction?
Please note that the recommended answer is really! Do not know the professional knowledge, do not find a copy and paste to harm people! The tie bar is a screw bar, and the tie bar is a device for balance. The steel bar can be used to connect with the concrete! The dowel bar, as the name suggests, is the transfer of force, must use light round steel bar, when powerful, light round steel and concrete have movable interface, can conduction force!
Q:In the concrete floor, how big can the steel bar be replaced by the big screw steel? How to convert?
Tensile strength, extensibility, yield point! The same thread can be used instead!Of course, the number of roots must also be the same ~ only specifications vary!
Q:What is the specific concept of thread steel through water and what is the difference?
Water cooling technology is used in the production of rebar, and the temperature of controlled cooling termination is higher than the recrystallization temperature of the material. If the temperature is obviously lower than the recrystallization temperature, the surface of the reinforcing steel is easy to form a thin layer of quenching and tempering structure. Quenching and tempering organization once formed, will undermine the strong cuby rebar and welding performance.
Q:What is the relationship between the price and the hot coil steel prices?
Effect of hot rolled coil futures price factors are as follows: 1, the steel market supply and demand; 2, lower cost constraint price high or low; 3, the domestic market supply of funds decided to steel price level; the effect of 4, the domestic market competition on the market; 5, the market is expected to boost the role of price change up effect; 6, financial markets and commodity markets on steel prices.
Q:How to recognize high quality thread steel
When we buy rebar, we should not only look at the size of the thread steel, but also use the vernier caliper to measure whether the size meets the requirements. A lot of times, inferior thread steel through the flat flat way to deceive the buyer's vision, so from the steel reinforcement to observe the end of the steel is flat oval, meet the requirements of the thread steel is basically round.

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