square steel; square bar;billet

Ref Price:
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
30000 m.t./month

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Product Description:

Product Description:

Specifications of Square Steel:

-The Square Steel is hot rolled,

-Standard: GB,

-Grade: Q195 or equivalent.

Some details of Square Steel:

-List 1.The length of a side and the theoretical weight of Square Bar.



Length of a side(mm)

Theoretical weight(kg/m)

Length of a side(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

70

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.


-List 2. The allowed tolerance of Square Steel:



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



Chemical Composition:



Standard

Grade

Element (%)

GB

Q195

C

Mn

S

P

Si

≤0.12

≤0.50

≤0.04

≤0.035

≤0.3


-Method of deoxidation: F, b, Z


Usage/Applications of Square Steel:

-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 Square Steel:

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

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


Transportation & Marking:

-Transportation:

1, The products can be delivered by bulk vessel or by container.

2, The maximum quantity of loading of container is 25 tons.

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

-Marks:

1, Color mark: there will be color marking on both ends of the bundles for the cargo delivered by bulk vessel. That makes is easily to distinguish at the destination port.

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


Payment:

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

-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.


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Q:Round and square steel which is strong
The steel production and processing type of hot-rolled and cold drawn two. Hot rolled steel length of 5 ~ 250mm, 3 ~ 100mm length of cold drawn steel.According to the carbon content and the corresponding use, import and export of round steel can be divided into two categories: low carbon round bar and medium carbon. Low carbon raw materials mainly used for wire drawing, forging rivets, bolts and nuts and other metal products. Carbon steel and round steel commonly used to make mechanical parts.
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:Glass partition, square box outsourcing 1mm thick stainless steel, glass middle is how to set the quota
In this case, a metal frame must be used to hold the glass and then bolt it into the wall!
Q:Building height is 5m, the main dry hanging stone square spacing value should be how much better?
Say so much, directly tell you, if it is with square steel (main keel), that spacing in 1--1.2 meters is absolutely no problem, the standard is not allowed more than 1.2 meters, but the actual construction exceeds the situation or some. If there is no special circumstances (such as from the wall out more than 300mm or), then no problem, rest assured!!!
Q:What is the hot dip galvanized steel, production process?
Simply speakingWorkpiece: alkaline degreasing, water cleaning, acid cleaning, rust removing, water cleaning, plating aid, solvent drying, hot galvanizing, water cooling, test
Q:Hot dip galvanized steel can be welded
The hot dip galvanized steel pipe has excellent atmospheric corrosion resistance, and it can easily form a protective film on the surface at room temperature, which has good corrosion resistance.When the weld is cooled, coat the weld with silver paint to avoid rusting at the weld.
Q:How to fix the steel Aluminum Alloy
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 to ensure the steel paint off paint
The first thing to do (clean dust, oil removal, in addition to soluble salts), and then choose to kill or polish, then under suitable conditions (humidity is less than 85%, the substrate temperature is higher than the dew point of at least 3 degrees Celsius) and construction paint. Well done, the paint won't fall off.
Q:What is the use of square steel keel or welding steel canopy
Sunshine board: advantages and characteristics of canopy cover top plate endurance detailed materials: flame retardant of spontaneous combustion temperature of 630 DEG C PC endurance board (wood 220 degrees C), by the national quality supervision and testing of fire building materials testing center, PC board of GB combustion (8624-1997 flame retardant grade B1), which belongs to the flame retardant engineering materials. Chemical corrosion resistant PC resistance board has good chemical resistance and corrosion resistance. It can resist all kinds of organic acids, inorganic acids, weak acids, vegetable oils, neutral salt solutions, aliphatic hydrocarbons and alcohol at room temperature. Heat resistant and cold resistant PC endurance board has good resistance to temperature difference. It can adapt to all kinds of severe weather changes from cold to high temperature. It can keep all kinds of physical performance indexes stable between -40 and 120 degrees centigrade. The photochemical PC resistance plate has the highest transmittance in visible and near infrared spectrum. Depending on the color, the transmittance is up to 12%-88%.
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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