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MS Steel Welded Pipe
- Qingdao China MS Steel Welded Pipe
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Product Details
| Thickness | 1.0, 35 | Section Shape | Square | |
| Outer Diameter | 20*20-600*600mm | Place of Origin | Shandong, China | |
| Secondary Or Not | Non-secondary | Application | Structure Pipe | |
| Technique | Hot Rolled | Certification | CE | |
| Surface Treatment | Other, oil,paint | Special Pipe | Thick Wall Pipe | |
| Alloy Or Not | Is Alloy |
Product Description
MS Steel Welded Pipe
1.Company Introduction
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 16 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.
If you are interested in our products, you can contact me. I will try my best to help you find products that you want.
Sales | Victoria Liu |
jnxinjiyuan2 at | |
Mobile Phone | 008615153111573 |
Telephone | 86-531-85736315 |
Skype | victoria.liu222 |
1810951439 | |
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6.Professional Inspection

7.Certification
8.Details
Shape
| Rectangular: 20*30-600*800 mm |
Square:20*20-600*600 mm | |
Thickness | 1.0-35 mm |
Surface | Bared, Oil, Galvanized, Paint |
Length | 6m, 12m,according to customers’ requirements |
Usage | Machinery manufacture, Roads and Bridges Construction, Decoration, Transportation |
Port of Shipment | QingDao, China |
Certification | ISO9001,CE |
Productivity | 150000TONS/YEAR |
Your Success is our business! | |
Thank you for browsing our products.
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Contact Us
- Jinan Xin Jiyuan Special Section Tube Co., Ltd.
- Contact nameCathy Zhao Chat Now
- Phone86-531-85736315
- AddressDaweizhuang, West of North Head of Erhuan West Road, Tianqiao District
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