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HRB400 20MnSiV Hot Rolled steel rebar for Building Construction

HRB400 HRB400E Reinforcing Deformed Steel Rebar

Material HRB400/500/BS4449 460B/500B/Q195/Q215…
Standard ASTM DIN GB ISO JIS BA ANSI
Technique Hot rolled
Surface 1. Galvanized

2. PVC,Black and color painting

3. Transparent oil,anti-rust oil

4. According to clients requirement

Diameter 6mm-40mm or as required
Type Carbon Steel Bar
Processing Service Bending, Welding, Decoiling, Cutting, Punching
Packaging Standard sea-worthy package or as required
Payment  T/T ; L/C

Product Introduction:

1.HRB400’s reinforcement was used to be a three -level thread, which is a kind of hot -rolled rib steel bars.In the construction industry, the third -level thread is the name of the past.
2.The difference between the thread and the light round steel is the surface with longitudinal ribs and horizontal ribs, usually with two vertical ribs and the horizontal ribs evenly distributed along the length direction. Steel is a small steel steel, which is mainly used for the skeleton of reinforced concrete building components. In use, it is required to have a certain mechanical strength, bending deformation performance and process welding performance. The raw material for the production of nuts to produce a steel or low alloy structure steel that is treated with sedatively melted.
3.Classification
The brand HRB400 (the old name is 20mnsiv, 20mnsinb, 20mnti) and the brand HRB400E.
Fine crystal hot -rolled steel bars The first letters of “Fine” (Fine) of the “Fine” are added after the English abbreviation of hot rolled ribs. Such as: HRBF335, HRBF400, HRBF500.
The applied sign of the high demanded seismic structure is: add E after existing cards (for example: HRB400E, HRBF400E).

Size(mm)

Base Diameter(mm)

Transverse Rib Height(mm)

Longitudinal Rib Height(mm)

Transverse Rib Spacing(mm)

6

5.8±0.3

0.6±0.3

≤08

4±0.5

8

7.7±0.4

0.8 -0.3 +0.4

≤1.1

5.5±0.5

10

9.6±0.4

1±0.4

≤1.3

7±0.5

12

11.5±0.4

1.2±0.4

≤1.6

8±0.5

14

13.4±0.4

1.4 +0.4 -0.5

≤1.8

9±0.5

16

15.4±0.4

1.5 +0.4 -0.5

≤1.9

10±0.5

18

17.3±0.4

1.6±0.5

≤2

10±0.5

20

19.3±0.5

1.7±0.5

≤2.1

10±0.8

22

21.3±0.5

1.9±0.6

≤2.4

10.5±0.8

25

24.2±0.5

2.1±0.6

≤2.6

12.5±0.8

28

27.2±0.6

2.2±0.6

≤2.7

12.5±1.0

32

31±0.6

2.4 +0.8 -0.7

≤3

14±1.0

36

35±0.6

2.6 +1.0-0.8

≤3.2

15±1.0

Application

1. Construction engineering: The application of thread in the field of construction is very wide. It is often used for reinforcement and enhancement of reinforced concrete structures, such as stairs, pillars, beams and floors. The high -strength and good plasticity of the thread make it an indispensable material in construction engineering.
2. Bridge engineering: In the construction of the bridge, threaded steel is often used to make key parts such as steel concrete pier, bridge and beams. Because the thread has excellent tensile strength and durability, it can withstand a large number of loads and deformation, so it should be extensive in the bridge engineering
use.
3. Tunnel engineering: Steel also plays an important role in tunnel engineering. It is often used to make the wrong rod anchor and steel beam in the tunnel support structure. Because tunnel engineering has high structural strength and stability, the high strength and durability of the nut have made it the preferred material.
4. Foundation engineering: In foundation engineering, threaded steel is often used to make underground continuous walls and basement reinforcement walls and underground pipe galleries.
Steel steel has good plasticity and seismic performance, and can effectively improve the stability and bearing capacity of the structure.
5. Infrastructure engineering: Steel is also widely used in various infrastructure projects, such as docks, ports, dams, etc. It is often used to make the wet embankment, the retaining wall and the support structure, which can resist the impact of water flow, waves and geological power, and ensure the safety and stability of infrastructure.

Advantages of HRB400 steel bars:

1.Economy: Due to high strength, 10-15%of steel-saving steel-stroke steel reinforcement is used to use the new sub-threaded steel bar, so it can reduce the construction cost of construction engineering。
2.High strength and good toughness: Micro -alloy foreign actions are used, the yield point is above 400MPa, and the tensile strength is more than 570MPa, which is 20%higher than the construction threaded steel bar.
3.Seismic: Headian reinforcement has a high bending degree and timeliness performance, high low -week fatigue performance, and its seismic resistance is significantly better than the industrial -level threaded steel bars.
4.Easy welding: Due to the carbon content S0.54%, the welding performance is good, the various welding methods are used, and the craftsmanship is simple and convenient.
5.Convenient for construction: The use of new sub -threaded steel bars has increased the construction gap, which provides a guarantee for the convenience of construction and the quality of construction.

Why choose us?

1.With more than 20 years experience in steel product production.
2.Keep a large stock of goods.
3.Support customization.
4.Meticulous workmanship.
5.24 -hour customer service online, answer questions for you

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