Hollow Section-Rectangle Tubes(Hot Rolled/Cold Rolled)

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China Main Port
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TT or L/C
Min Order Qty:
50MT m.t.
Supply Capability:
based on order m.t./month

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Product Description:

Hollow Section-Rectangle TubesHot Rolled/Cold Rolled

Application of Hollow Section-Rectangle TubesHot Rolled/Cold Rolled)

It is widely used in building, machine, chemical equipment, automobile industrial, container, it is also applied to agriculture and mine machine.

ASTM A500, GB6728

Steel grade of Hollow Section-Rectangle TubesHot Rolled/Cold Rolled)

ASTM A500: A, B, C

GB6728Q195Q215Q235Q345

Size of Hollow Section-Rectangle TubesHot Rolled/Cold Rolled)

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

Sizee(mm)

Thickness(mm)

20×10

0.6-1.0

25×12

0.6-1.0

38×19

0.6-1.5

50×25

0.6-1.5

50×30

1.6-3.0

60×40

1.5-3.5

75×50

1.5-4.0

80×40

1.5-4.0

100×50

2.0-6.0

100×60

2.0-6.0

100×75

2.0-6.0

120×60

3.0-6.0

120×80

3.0-6.0

125×50

3.0-6.0

125×75

3.0-6.0

150×50

3.0-6.0

150×75

3.0-6.0

150×100

4.0-12

160×80

4.0-6.0

175×100

4.0-12

200×100

4.0-12

200×150

4.0-12

250×150

5.0-12

300×200

5.0-12

400×200

5.0-12

Chemical Composition(%)

Chemical Requirement

 

Composition %

Grade A

Grade B

Heat

Product

Heat

Product

Element

analysis

analysis

analysis

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

Mechanical Properties

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

Hollow Section-Rectangle Tubes(Hot Rolled/Cold Rolled)

Hollow Section-Rectangle Tubes(Hot Rolled/Cold Rolled)

 

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We mainly produces Square and Rectangular Tubes which using the cold rolling technology and other types of tube including Round Steel Pipes, Welded Steel Pipes, Seamless Steel Pipes, Long Products, Flat Steel Products and so on. Our productivity achieves 500, 000 tons each year. Our company is stronger in financial capital and enough power of technical support. The steel tubes made by the company are strictly according to ISO9001:2000 standard quality management system to ensure the high quality of the products.

1. Manufacturer Overview

Location Tianjin,China
Year Established 2000
Annual Output Value Above Thirty Million RMB
Main Markets China; Europe
Company Certifications ISO9001:2000

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Tianjin;Qingdao
Export Percentage 41% - 50%
No.of Employees in Trade Department
Language Spoken: English;Chinese
b)Factory Information  
Factory Size: 53000square meter
No. of Production Lines
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range Low Average