14mm*1.54kg/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:

There are two types of Square Bar, one is hot rolled square bar and other one is cold drawn square bar. Our principal products is hot rolled square bar. We dedicate to products with material Q195 and Q235. We offer products with high quality and low price.

 

Specifications of Hot-rolled Square Steel Bar:

-Standard: GB,

-Grade: Q195/Q235 or equivalent.

-Chemical Composition:

Standard

Grade

Element (%)

C

Mn

S

P

Si

GB

Q195

0.06~0.12

0.25~0.50

≤0.050

≤0.045

≤0.30

GB

Q235B

0.12~0.20

0.30~0.70

≤0.045

≤0.045

≤0.30

-Mechanical Properties:

Mechanical Properties

Grade

Steel diametermm

≤16

16~40

40~60

60~100

Yield Point Δs/MPa

Q195

≥195

≥185

-

-

Q235

235

225

215

205

Tensile Strength

Q195

315~390

Q235

375~500

Elongation δ5%

Q195

≥33

≥32

-

-

Q235

26

25

24

23

 

Measures of Hot-rolled Square Steel Bar (Big measures):

 

(Section of Hot-rolled Square Steel Bar)

 

-Length of a side and Theoretical weight of Square Bar (Big measures).

Length of a side(mm)

Theoretical weight(kg/m)

Length of a side(mm)

Theoretical weight(kg/m)

53

22.05

80

50.24

56

24.61

85

56.72

60

28.26

90

63.59

63

31.16

95

70.85

70

38.49

100

78.50

75

44.16

 

Notes:

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

2, Formula for theoretical weight of Square bar: a(length of a side) * a * 0.00785

3, The numbers with mean that they are not regular or we don’t offer them.

 

-Regular length of Square Bar:

Steel

Length of a side (mm)

Length of steel (m)

Normal steel

< 25

4~10

> 25

3~9

Steel of high quality

All measure

2~6

Tool steel >75

1~6

 

 

Usage/Applications of Hot-rolled Square Steel 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…

-Row material for steel pipes.

 

Packaging & Delivery of Hot-rolled Square Steel Bar:

-Packing Detail:

1, The products can be packed in bundles by steel wires.

2, The weight of each bundle no exceed normally 3 tons.

-Marks: We make tag marks and color marks for each bundle. The tag marks with white background and red company log will be tied up to each bundle. The information is usually including basic information of company and products like product name, specification, etc...and other information required by customers. As for color marks, we will paint both ends of each bundles to make sure that it will be more convenient for customers to distinguish theme from other products.

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

 

Payment:

-Invoicing on theoretical weight or actual weight as 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.

-The payment terms will be written in contraction detailedly

 

 

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Man, I specialize in this industry. You are not very clear, some data depends on how thick you use, what specifications of stone. More important is to see how large the main keel (channel or Fang Gang) you use, and how far the stone faces are separated from the structural surface.
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If reinforced by 1. fold 2. arc bending machine flame cutting machine 4. fold 3. baking arc building arc roll can be solid steel grip bending machine processing.
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Welding welding of thin-walled square steel, should be very careful when welding, arc welding technique should be used to pick, watch live pool, found that the weld pool collapsing must be timely arc.
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I'm afraid so. Your situation is not clear. Let's try it out first. If you peel it off, you can polish it slightly.
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Hot dip galvanized steel can be welded. The main methods of welding are as follows:1. manual arc welding. Remove the welding seam and the nearby zinc coating before welding. The welding rod can choose J421/J422/J423 and E5001/E5003 welding rod according to different requirements;2. gas metal arc welding. CO2 gas shielded welding can be used.3. argon arc welding.4. resistance welding.
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Hello, SECC is a hot-rolled or cold-rolled galvanized steel or galvanized sheet for the blank shape by the cold bending process after section steel pipe welded square hollow square cross-section shape and size of the high-frequency; galvanized square cold-formed steel hollow or well in advance of the hot dip galvanized after processed tube.Galvanized square steel: first the steel bar is solid. Different from the square pipe, hollow, belong to the pipe. The steel surface is galvanized, galvanized steel.
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Galvanized square tube adopts gas shielded welding, conventional J50 gas shielded welding wireArgon arc welding galvanized square pipe, zinc burning more severe, not recommended
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Q:As for steel structure steel, how appropriate
The size of the material is strongly related to the load on your floor, and the roof material and column size are also related to your span and the local Blizzard loads. You can choose the size of the material according to the local conditions.
Q:How can we see is galvanized steel or wood
The galvanized pipe with square tubes is galvanized steel strip processing, forming, anti-corrosion time, there is no hot galvanizing time, hot galvanized is processedThe black tube. Galvanized in galvanized square tube factory. After 1000 degrees of high temperature, the general wall thickness is relatively thin, can not do hot-dip galvanizing.

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