12mm*1.13kg/m square bar for construction

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
100000 m.t./month

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Product Description:

Product Description:

Product Description:

We offer Square Steel Bar with grade Q195 / Q235

Specifications of Square Steel Bar:

-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 Square Steel Bar:

 

 

(The section of Square Steel Bar)

 

-The length of a side and the theoretical weight of Square Steel.

 

 

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 Square Steel:

 

 

Length of a side(mm)

Allowed Tolerance

Group1

Group2

Group3

5.57

±0.20

±0.30

±0.40

720

±0.25

±0.35

±0.40

2030

±0.30

±0.40

±0.50

3050

±0.40

±0.50

±0.60

6080

±0.60

±0.70

±0.80

80110

±0.90

±1.0

±1.1

110150

±1.2

±1.3

±1.1

150190

――

――

±2.0

190250

――

――

±2.5

 

 

Usage/Applications of Steel Square Bar:

-The Square Steel is normally used as structure steel.

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

 

Packaging & Delivery of Steel Square Bar:

-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.

 

Transportation:

-The products can be delivered by bulk vessel or by container. As for container, products with the length of 6m will be loaded in 20’ container, with 9m or 12m, in 40’ container.

-The maximum quantity of loading of container is 25 tons.

-The products usually are transported to the nearest port from the production place.

 

Payment:

-Invoicing on theoretical weight or actual weight a s customer’s request.

-FOB, CFR or CIF.

-Regular terms of payment:

1, 30% payment in advance, the remaining balance (70% payment) against the copy of B/L.

2, 30% payment in advance, the remaining balance (70% L/C) against the copy of B/L.

3, Negotiable.

 

12mm*1.13kg/m square bar for construction

12mm*1.13kg/m square bar for construction

12mm*1.13kg/m square bar for construction

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Q:What is the role of square toilet
Toilet partition top material: top surface affected by water vapor, the most susceptible to mildew, waterproof, heat-resistant material is better. The general use of colorful molding aluminum buckle and acrylic ceiling molding, the material surface resistance, and a thermal insulation material, is the ideal bathroom ceiling materials, specifications to 120mm wide strip and 300mm*300mm square, a flat surface structure and micro air two. Acrylic molding ceiling price is low, but easy to aging; colorful molding aluminum buckle higher prices, but the color diversity, durable, is the main use of modern bathroom ceiling. In addition, the use of aluminum plate or calcium silicate board, the latter surface coated with cement paint, low price, waterproof strong.
Q:Why is a point of penetration of 2 square steel welding
Electrode selection 2, 0J422, welding current about 80, if conditions permit, you can use carbon dioxide welding, welding process is very good grasp.
Q:The steel structure of 40*80 steel, it is tempered glass top. The steel internal fight foaming agent. But there is rust in the inner surface. Will it affect the safety? How to deal with
The rust removal on the inner wall of pipe profiles has always been a thorny problem. If the corrosion is not serious, the treatment is usually not done. If you want to anti-corrosion effect is good, but also to go inside the paint corrosion prevention practices, very few.
Q:TIG welding of stainless steel plate and steel, how to regulate the argon arc welding
Wear zinc coating first, otherwise it is easy to form inclusion and other defects, and damage the strength of matrix.
Q:4*4 steel welding frame tank do strong?
Electronic tube bracket fixed on a shelf, and then put the top shelf in the aquarium, pay attention to water, heat, can be a good solution, the lamp holder can buy ready-made, bought a switch, wires, plugs, insulating tape back to assemble their own good is.
Q:The joiner board is fixed on the square on how
With self tapping screws, that is, 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:How the steel columns and I-beam steel structure connection?
The square column is usually connected with a connecting plate, and the upper beam is arranged on the connecting plate and is fixed by an electric welding or a bolt.
Q:Are square steel, rectangular tube and angle steel shaped or light steel?
Belongs to the type steel, also belongs to the light steel. The question you ask is equivalent to whether apples, grapes, or bananas belong to fruit or food
Q:It can be used as the steel electrical equipment grounding
In the electrical grounding body, generally use the steel pipe, angle steel, flat steel, round steel and other steel specially made grounding. The artificial grounding body and the ground wire form a grounding device, so that various earthing of the electrical equipment is connected with the ground through a grounding device. The artificial earthing body has two kinds of vertical embedment and horizontal embedment. The vertical buried pipe, angle steel, round steel grounding body, and have sufficient mechanical strength; ground level buried body with round steel, flat steel, common type, with several ring and radiation type. It is better to use galvanized steel when laying artificial earth in strongly corrosive soil. The steel used in the earth body shall be in accordance with the requirements of thermal stability and uniform pressure.
Q:The anti-theft lock in the steel compression spring is what?
The development trend of suspension spring steel is to reduce carbon content, reduce decarburization tendency, and increase the flexibility and anti attenuation performance of plastic forming.

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