Hot Rolled Square Steel Bars Q235, A36 with Cr

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

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Item specifice:

Standard: AISI,JIS,GB,ASTM Technique: Hot Rolled Shape: Square
Surface Treatment: Black Steel Grade: Q195,Q235,Q235B,SS400-SS490 Certification: ISO,SGS,BV
Thickness: 20 Length: 60000 Net Weight: 2000

Product Description:

Product Description:

OKorder is offering Hot Rolled Square Steel Bars Q235, A36 with Cr with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

-The HHot Rolled Square Steel Bars Q235, A36 with Cr is normally used as structure steel.

-Row material for other structure steel like steel angles, channels, I-beams, H-beams, etc…

 

Product Advantages:

OKorder's Hot Rolled Square Steel Bars Q235, A36 with Cr are durable, strong, and resist corrosion. Ang they satisfy the requirements of dififrent customers.

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

Product Description of Hot Rolled Square Bar Steel  for Constrcution:

Specifications of Hot Rolled Square Steel Bars Q235, A36 with Cr:

-Standard: GB,

-Grade: Q195/Q235 or equivalent.

Chemical Composition:

-Chemical Composition. Q195

Standard

Grade

Element (%)

GB

Q195

C

Mn

S

P

Si

0.06~0.12

0.25~0.50

≤0.050

≤0.045

≤0.30

-Chemical Composition. Q235

Standard

Grade

Element (%)

GB

Q235B

C

Mn

S

P

Si

0.12~0.20

0.30~0.70

≤0.045

≤0.045

≤0.30

Measures and Tolerances of Hot Rolled Square Steel Bars Q235, A36 with Cr:

Section of Square Steel Bar.

(The section of Hot Rolled Square Steel Bars Q235, A36 with Cr)

-The length of a side and the theoretical weight of Hot Rolled Square Steel Bars Q235, A36 with Cr.

Length of a side(a, mm)

Theoretical weight(kg/m)

Length of a side(a, mm)

Theoretical weight(kg/m)

6

0.283

32

8.04

7

0.385

*33

8.55

8

0.502

34

9.07

9

0.636

*35

9.62

10

0.785

36

10.17

11

0.950

38

11.24

12

1.13

40

12.56

13

1.33

42

13.85

14

1.54

45

15.90

15

1.77

48

18.09

16

2.01

50

19.63

17

2.27

53

22.05

18

2.54

*55

23.6

19

2.82

56

24.61

20

3.14

*58

26.4

21

3.46

60

28.26

22

3.80

63

31.16

*23

4.15

*65

33.17

24

4.52

*68

36.3

25

4.91

79

38.49

26

5.30

75

44.16

*27

5.72

80

50.24

28

6.15

85

56.72

*29

6.60

90

63.59

30

7.06

95

70.85

*31

7.54

100

78.50

Notes:

1, The theoretical weights in the list, base on the density of 7.85 g/cm3.

2, The numbers with *mean that they are not regulars or we don’t offer them.

-The allowed tolerance of Hot Rolled Square Steel Bars Q235, A36 with Cr:

Length of a side(mm)

Allowed Tolerance

Group1

Group2

Group3

5.5~7

±0.20

±0.30

±0.40

7~20

±0.25

±0.35

±0.40

20~30

±0.30

±0.40

±0.50

30~50

±0.40

±0.50

±0.60

60~80

±0.60

±0.70

±0.80

80~110

±0.90

±1.0

±1.1

110~150

±1.2

±1.3

±1.1

150~190

――

――

±2.0

190~250

――

――

±2.5

Packaging & Delivery of Hot Rolled Square Steel Bars Q235, A36 with Cr:

-Packing Detail: The products can be packed in bundles by steel wires.

-Marks:

1, Tag marks: the tag marks will be tied up to each bundle of the products. The information is usually including supplier’s logo and name, product name, made in China, products’ specifications, the painted color and other information requested by customers.

2, Color marks: we will paint both ends of the bundles of these products to make sure that they are more evident. It’s will be more convenient for the customers to distinguish them at the destination port.

-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.

Hot Rolled Square Bar Steel  for Constrcution

Hot Rolled Square Bar Steel  for Constrcution

FAQ:

Q1: The products are invoicing on theoritical weight or on actual weight? 

A1: We can do it in both manners, according to the customers' request.

Q2: How soon can we receive the product after purchase?

A2: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Q3: How do we guarantee the quality of our products?

A3: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.


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Q:The working principle of steel punching machine
Then tell you about the characteristics of mechanical punching machine1 mechanical punching machine uses lever principle, screw rod force, operation, saving labor, punching efficiency is high, punching once only 20-30 seconds;2 the main force head of the mechanical punching machine is made of super high strength alloy steel. It is light in weight and easy to carry;3 mechanical punching machine has the advantages of simple structure, convenient maintenance.
Q:The steel structure material can do
Yes, both sizes can be done. The main check
Q:The water was poured into the square on how to prevent rust after treatment
The steel should try to avoid the rain, if you have been caught in the rain, according to the properties of the steel is not the method to wipe, such as high hardness steel wire brush, cloth, cotton and other materials of low hardness.
Q:Reinforced concrete and steel stairs to do the stairs which is better
The rectangular steel tube is also not easy to makeThe stairs were made, and there was no concrete, and the stairs were steady and durable. Easy to vibrate and rust.
Q:The joiner board is fixed on the square on how
The joiner board can use self tapping screws fixed on the steel, self tapping screws is equipped with drill screws, building materials market can buy. Electric screwdriver, you can put the wood board through self tapping screws into the steel. But attention should be paid to buy the self tapping screw length, short patch does not live too long into the square, too much is not good.
Q:What is the role of square toilet
16Mn Q345B 65Mn Q235B square square square square square steel is generally used in light steel structure mostly, such as steel roof, residential skeletonCommonly used structural steel according to the specifications of size for different purposes, decorative elements, assembled truss, supporting member, grid and other small pipe truss, large steel plant can be used for concrete filled steel tube truss steel column, a large stadium; another major use is round process pipeline, but in general the material and anticorrosion special requirements.
Q:What is the hot dip galvanized steel, production process?
The steel piece after being cleaned is dipped into the molten zinc liquid at about 445 DEG C so that the zinc coating is adhered on the surface of the steel member so as to prevent corrosion. Hot galvanizing process: finished acid washing - plating bath - drying - hanging - cooling - passivation - Cleaning - polishing - Inspection - finished products
Q:Building with steel or steel plate?
It is recommended to use channel No. 12, and the span of three meters is not big, so the problem of vibration will not occur! Square steel tubes are not recommended for load-bearing structures. I'm from the steel installation department.It is suggested that the upper channel, the red plate, and the wood. It's more comfortable to use.
Q:4*4 steel welding frame tank do strong?
If you want to be firm, you can use the three and four sections. The middle slot can be clamped on the edge of the fish tank, and the tripod should be four. It's so convenient and strong!
Q:The difference between cold and hot galvanized steel hollow where
Cold rolling process is: the strip through the mold, pipeline bending forming, and then through the automatic welding, the welding joints, and then polished, galvanized, also called seamed tube.

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