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Cathy Zhao Ms. Cathy Zhao
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Seamless Square Tube Square Pipes
Seamless Square Tube Square Pipes
Seamless Square Tube Square Pipes
Seamless Square Tube Square Pipes
Seamless Square Tube Square Pipes
Seamless Square Tube Square Pipes
  • Seamless Square Tube Square Pipes
  • Seamless Square Tube Square Pipes
  • Seamless Square Tube Square Pipes
  • Seamless Square Tube Square Pipes
  • Seamless Square Tube Square Pipes
  • Seamless Square Tube Square Pipes

Seamless Square Tube Square Pipes

Additional Info

Подробности Упаковки: Seamless Square Tube 1.In bundles 2.Standard export packing 3. According to customer\'s requirements.

Место происхождения: Shandong, China (Mainland)

Описание продукта

Seamless Square Tube

 

 Seamless Square Tube Square Pipes

 

 

1.Brief Information about Products

 

 

1)Which size we could manufacture?

 

Square tube:20*20-600*600         thickness:1.0-35mm

 

Rectangular tube:20*30-600*800     thickness:1.0-35mm

 

We could manufacture any size between the above data,for example 120*200*5MM, 250*400*8MM,300*800*20MM,600*600*16MM.

 

Special sizes square and rectangular tube is our advantages,you could tell me the sizes you need,we will manufacture steel tubes especially for you.Our MOQ is 2 pieces.

 

 

2)Which Standard and Material we could manufacture?

 

 

Standard:ASTM A500,EN10210,EN10219,AS1163,JIS G3466 and other standards according to customers’ requirements.

 

The mechanical property of common material for your reference

 

Steel Grade

Tensile Strength

(Rm/Mpa)

Yield Strength

(Rel/Mpa)

Elongation

(A%)

Q235

≥410

≥235

≥25

Q345

375-500

≥345

≥20

20#(seamless)

470-630

≥245

≥20

 

 

3)What is our Quality Systerm?

 

 

We are ISO,CE certificated.We could provide high quality square and rectangular tube based on lowest price.

 

 

4)How will we inspect our goods?

 

 

After we finish manufacturing,we will inspect steel tubes.

 

a.Technical Properties:Dimensions,Flattening Test, Bending Degree, Twist,Radius of Corner,

 

We could guarantee all the technical requirements according to standard.

 

b.We could provide MTC(Including Chemical composition Mechanical property),these could guarantee the material.

 

c.Welcome our customer to our factory to inspect goods.If you need,you also could ask third party(SGS,BV) to inspect goods.

 

All the measures to show our determination to manufacture high quality steel tubes.

 

 

5)What is our payment terms?

 

 

T/T or L/C at sight

 

 

6)How about our delivery Time?

 

 

Pipe in stock:Within 7-10 days

 

Production of Square and Rectangular Pipe:Within 15-30 days

 

7)Company Information

 

Jinan Xin Jiyuan Special Section Co.,LTD locates in Jinan where is the capital of Shan Dong province. Our company established in 1997. We have 17 years’ experience in producing square pipe and rectangular pipe. In order to expand our company, we invest RMB 16 million to build our new factory in 2011. Our production lines can manufacture all sizes of pipes according customers’ requirements. 

 

 

2. Technical requirements:

 

1). Chemical Composition:

 

Yield Strength Grade

Demotic Raw-material Grade

235

Q235B, Q235C, Q235D, Q235qC, Q235qD

345

Q345A, Q345B,Q345C,Q345D,Q345Qc, Q345Qd, StE355, B480GNQR

Carbon Equivalent

Ceq(%)=C+Mn/6+Si/24 +Ni/40+Cr/5+Mo/4+V/14

Ⅰgrade product Ceq(%)

Yield Strength Grade

235

345

390

Ceq(%)

≤0.36

≤0.43

≤0.45

Note: In order to improve the performance of steel,390 could add the microelement such as V, Nb, Ti, Mo and N etc.

 

2). Mechanical Property:

 

Yield Strength Grade

W.T

(mm)

Yield Strength

 (Mpa)

Tensile Strength (Mpa)

Elongation

(%)

(20°C) Impact Value J

235

4~12>12~22

≥235

≥375

≥23

≥27

345

4~12>12~22

≥345

≥470

≥21

≥27

390

4~12>12~22

≥390

≥490

≥19

≥27

      

3). ⅠGrade Product Yield Strength:

 

Yield Strength Grade

Outside perimeter (mm)

Wall Thickness

(mm)

Yield Strength %

Directly to Square

Round to Square

235

≥800

12~22

≤80

≤90

345

390

≤85

≤90

Note: when the outer perimeter less than 800mm,can be determined by supply and buyer

 

3. Manufacturing Process:

 

1).Directly into Square: make continuous angle deformation of cold-rolled or hot-rolled steel plate directly, and then by high frequency welding form a rectangular steel tube forming method. Also known as square-square method.

 

2). Round to square: make continuous angle deformation of cold-rolled or hot-rolled steel plate directly, and then by high frequency welding form a round steel tube forming method, though the reshaping finally form a rectangular steel tube forming method. Also known as round to square method.

 

 4.Why choose our company?

 

1.High quality pipe with reasonable price.

2.Advanced test equipments and professional inspection measures to guarantee our quality.

3.Our products are widely used in construction, water supply and other fields.

4.The after-sale service is good, customers can buy our products without any worries.

5.We can produce different kinds of pipes according to customers’ requirements.

6.We have exported our products to many foreign countries. Our products are popular among these countries.

7.Professional staff can save your time and money

 

5.

 Seamless Square Tube Square Pipes

Products Information

Shape

 

Rectangular Tube:20*30-600*800mm

Square Tube:20*20-600*600 mm

Thickness

1.0-35 mm

Material

1.GB/T3094-2000  GB/T6728-2002

Q195,Q235,Q275,Q345,20#,45#                                       

2.EN 10210,EN10219

S235,S355

3.DIN17100

St33,St37,St52

4.JIS G3466

SS330,SS400,STK490

5.ASTM A500,A513,A106 

GR.A,GR.B,GR.C,GR.D or according to clients requirements.                  

Surface

Bared, Oil, Galvanized, Paint

Length

6m, 12m, or according to customers’ requirements

Port of Shipment

QingDao, Tianjin

Test Certification

1.Chemical Component Analysis (C,Si,Mn,S,P)

2.Mechanical Properties

 (Tensile Strength, Yield Strength, Elongation )

MTC is supplied.

Third party inspection: BV,SGS

Productivity

150000TONS/YEAR

In order to make best quotation, Please kindly indicate length, width, thickness and the standard, 

material you required.

 

Techniacal Process

The technical process of our company reached international leading level.Our process is used advanced machine to extruded round tube to square and rectangular tube.

Advantages of square and rectangular tube

1.Stress of R angle release completely and equally,our products are of high quality.

2.The sizes are of more precisely.

3.There is little distortion and deformation.

4.Production could adjust,the MOQ is 2 pieces.

The yield strength is higher.

 

 

Contact Information

     Feel free to contact me if you have any questions.

 

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Группа Продуктов : Конструкция Стальной Трубы > Стальная труба Sharp Angle Square

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