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Heavy Wall Steel Pipe
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. 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.
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.
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.
|
Shape
|
Rectangular:20*30-600*800mm |
Square:20*20-600*600 mm | |
Thickness |
1.0-35 mm |
Standard |
GB/T3094-2000 GB/T6728-2002 ASTM A500 JIS G 3466 DIN EN 10210 or according to customers’ requirement. |
Material |
Q195,Q235,Q275,Q345 20#,45# S235,S355 St33,St37,St52 A500,A513,A106 SS400 and so on. |
Technique |
Hot Rolled, Cold Rolled, ERW, High-frequency welded, Extruded |
Certification |
ISO9001,CE |
Surface |
Bared, Oil, Galvanized, Paint |
Length |
6m, 12m, or according to customers’ requirements |
Usage |
Machinery manufacture, Roads and Bridges, Construction, Transportation |
Port of Shipment |
QingDao, China |
Main Market |
America Asia Africa Oceania Mid East |
Productivity |
150000TONS/YEAR |
|
In order to make best quotation, Please kindly indicate length, width, thickness and the standard, material you required. | |
|
Your success is our business
| |
6.Professional Inspection
7.Certification
9.Products
Feel free to contact me if you have any questions.
Thank you for browsing our products.
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