Welded Black Carbon Square Tubes Pre-galvanized/ Galvanized ASTM A500 10*10-400*400 Structure Pipe

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50MT m.t.
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Product Description:

1. Specification of Hollow Section-Square Tubes

1) Application: Widely used in building, machine, chemical equipment, automobile industrial, container, and also applied to agriculture and mine machine.

2)Standard:ASTM A500, GB6728

3)Steel grade: ASTM A500: A, B, C; GB6728:Q195,Q215,Q235,Q345

4)Delivery Time: 7-20 Days after receving prepayment or L/C

2. Size of Hollow Section-Square Tubes

SIZE(mm)

THICKNESS(mm)

10×10

0.6-1.0

12×12

0.6-1.0

16×16

0.6-1.2

19×19

0.6-1.5

20×20

1.6-1.5

25×25

1.0-2.75

30×30

1.0-2.75

32×32

1.0-3.0

38×38

1.0-3.0

40×40

1.0-3.5

50×50

1.0-5.0

60×60

1.0-6.0

63.5×63.5

1.0-6.0

70×70

1.5-6.0

75×75

1.5-6.0

80×80

2.0-6.0

90×90

2.0-6.0

100×100

2.3-6.0

120×120

4.0-6.0

125×125

4.0-6.0

150×150

4.0-8.0

200×200

6.0-12

250×250

6.0-12

300×300

6.0-12

400×400

6.0-12

*Remark: Besides below sizes, we also can arrange production based on requirement of customer's requirement

3. Packing&Delivery

Packing Details: Big OD: in bulk; Small OD: packed by steel pipe;Plastic bags 4 or According to customer's requirement

Delivery Time: 20-30 days upon receving prepayment or L/C

4. Data Sheet

ASTM A 500

Chemical Requirement

Composition %

Grade A

Grade B

Element

Heat analysis

Product analysis

Heat analysis

Product analysis

Carbon max

0.26

0.3

0.22

0.26

Manganese max

1.4

1.45

Phosphorus, max

0.035

0.045

0.03

0.04

Sulfur max

0.035

0.045

0.02

0.03

Copper, when copper steel is specified, min

0.20

0.18

0.2

0.18

Where an ellipsis (...)appears in this table, there is no requirement

 For each reduction of 0.01 percentage point below the specified maximum for carton, and increase of 0.06 percentage point above the specified maximum for manganese is permitted, up to a maximum of 1.50% by heat analysis and 1.6% by product analysis

 

  Tensile Requirement

 

Grade A

Grade B

Tensile strength, min, psi (Mpa)

48000 (400)

70000 (483)

Yield strength, min, psi (Mpa)

36000 (250)

50000 (345)

Elongation in 2 in. (50.8mm), min, %

23

23

5. Products Showroom

 square tube carbon ASTM A500 horrow section

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Q:Is there any difference between thermal expansion seamless steel pipe and seamless steel pipe?
Differ,Thermal expansion seamless steel tube is what we often call "thermal expansion tube", the density is relatively low, but a strong contraction of the steel pipe, (seamless steel pipe) can be referred to as "heat expansion.". A finishing rolling process for pipe rolling by using oblique rolling or drawing method to enlarge pipe diameter. In a relatively short period of time, the outer diameter of the steel pipe becomes larger, and the seamless tube with nonstandard and special type can be produced, and the cost is lower and the production efficiency is high, which is the development trend of the international rolling tube field at present.
Q:What type of steel pipe dance is used in general?
According to international competition practice, the standard size of steel tube is 40 mm or 45 mm in diameter, and the 45mm is usually used. The height of the steel pipe is not less than 3.3 meters and not higher than 4 meters.
Q:Is the steel frame on each floor supporting formwork (floor) called full scaffolding?
Full house scaffold is mainly used in the decoration construction of the single storey workshop, exhibition hall, gymnasium and so on. It consists of vertical pole, cross bar, diagonal brace and scissors support
Q:Is there a weld on the outer wall of seamless steel tube?
As you have said this, you have to fake goods is seamless, commonly known as to seamless steel pipe, seamless steel pipe is welded pipe weld reinforcement, and then go inside and outside the weld is worn away, and then burn side is that you say is that, after you can see the wall friction of a weld, is not too obvious. Like a polished, but no wall bulge, can not see the seam,
Q:What is the outer diameter of the steel tube?
The outer diameter refers to the maximum diameter including the thickness of the steel tube, the inner diameter is the length of the hollow part inside, and the outer diameter minus the inside diameter is the thickness of the steel pipe
Q:Seamed steel pipe seamless steel pipe, carbon steel pipe, galvanized pipe, four how to distinguish between
Welded and seamless steel pipe is divided according to the processing form, usually welded seam steel tube, seamless steel tube drawing and hot two ways, carbon steel is material, galvanized pipe is welded pipe production after the surface is galvanized
Q:What does cathodic protection of steel tubes mean?
Applied current: a macro cell consisting of a protected metal piece and an insoluble auxiliary component. The negative electrode of the battery is connected to the metal to be protected. The power supplies the electrons so that the metal is not corroded by missing points.
Q:What materials are used in scaffolding pipes?
The bamboo scaffold board made of bamboo or bamboo.
Q:Difference and application of seamless hot rolled pipe and cold drawn pipe in seamless steel tube
purpose2.1 seamless tubes are widely used. General purpose seamless tubes are rolled from plain carbon structural steel, low-alloy structural steel or alloy structural steel, with the most output and are used primarily as pipes or structural parts for conveying fluids2.2, divided into three kinds according to the supply of different uses: the supply of a, according to the chemical composition and mechanical properties; the supply of B, according to the mechanical properties; the supply of C, according to the hydraulic pressure test. According to a, the B class steel supply, such as for under fluid pressure, but also to the pressure test.2.3. Seamless tubes for special purposes include seamless tubes for boilers, seamless tubes for geology, and seamless pipes for petroleum use
Q:What are low-pressure carbon steel tubes?
Any of various steels that contain less than 2.11% of the mass of carbon but contain no alloying elements. Sometimes referred to as plain carbon steel or carbon steel.Carbon steel, in addition to carbon, usually contains a small amount of silicon, manganese, sulfur and phosphorus.1) according to the use of carbon steel can be divided into carbon structural steel, carbon tool steel and easy to cut structural steel three categories, carbon structural steel is divided into engineering construction steel and machine manufacturing structural steel two kinds;(2) by refining methods can be divided into open hearth steel, converter steel;(3) according to deoxidization methods, they can be divided into boiling steel (F), killed steel (Z), semi killed steel (b) and special killed steel (TZ);(4) according to the carbon content of the steel can be divided into low carbon steel (WC = 0.25%), carbon steel (WC0.25% - 0.6%) and high carbon steel (WC>0.6%);(5) according to the quality of steel, carbon steel can be divided into ordinary carbon steel (phosphorus, sulfur, higher), high quality carbon steel (low phosphorus and sulfur) and high quality steel (lower phosphorus and sulfur) and super quality steel.Description: the carbon content in general carbon steel is higher, the hardness is higher, the strength is higher, but the plasticity is lower.
The company has successively passed ISO9000 quality system, the American Petroleum Institute API, and also earned the environment healthy license, national special equipment manufacturing license.

1. Manufacturer Overview

Location Hebei, China
Year Established 1988
Annual Output Value Above One Hundred Million RMB
Main Markets Main land; Southeast Asia; Middle East; Africa
Company Certifications ISO 9002:2010;API 5L

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Tianjin
Export Percentage 30%-50%
No.of Employees in Trade Department 201-500 People
Language Spoken: English; Chinese
b)Factory Information  
Factory Size: 50,000 square meters
No. of Production Lines Above 15
Contract Manufacturing Meicai Metal Trading Co.Ltd
Product Price Range Average