Home > Products > Square tube Rectangular tube > Q345 Galvanized Rectangular Tube
Q345 Galvanized Rectangular Tube
- 150000 Ton / Tons per Month
- Qingdao China Rectangular Tube
- T/T PayPal
Product Details
Thickness: | 1.0, 35 | ||||
Section Shape: | Rectangular | Outer Diameter: | 20*30-600*800 | Place of Origin: | Shandong, China |
Secondary Or Not: | Non-secondary | Application: | Structure Pipe | Technique: | Cold Drawn |
Certification: | CE | Surface Treatment: | Galvanized | Special Pipe: | Thick Wall Pipe |
Alloy Or Not: | Non-alloy |
Product Description
Q345 Galvanized Rectangular Tube
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. Standard of square and rectangular pipe:
GB/T3094-2012, GB/T6728-2002, ASTM A500, JIS G 3466, DIN EN 10210, GB/T178-2005
3. Technique:
Hot rolled, Cold rolled, ERW, High-frequency welded,Extruded.
4. Application:
(1).Machinery manufacture: glass machinery, agricultural machinery, textile machinery, papermaking machinery, food machinery, electrical equipment, sanitation equipment.
(2).Roads and Bridges: railway, aviation, expressway, overpass, road fence, traffic signs.
(3).Construction engineering: steel structure construction, sports venue, three-dimensional garage, exhibition hall.
(4).Decoration: wrought iron doors and windows, outdoor advertising, pavilion and vestibule, glass curtain wall.
(5).Transportation: automobile manufacture, ship manufacture, container, tricycle, tower crane.
5. Surface Allowed Deviation:
Assessment Criteria | First Grade | Second Grade | ||
Wall thickness/t | 4mm≤t≤10mm ±8%t | 4mm≤t≤10mm ±8%t | ||
10mm≤t≤22mm ±6%t | 10mm≤t≤22mm ±6%t | |||
Suitable for flat parts | Suitable for flat parts | |||
Squareness | 90°±1.0° | 90°±1.5° | ||
Corner radius of circular arc | t≤6mm(1.5-2.5)t | |||
6mm≤t≤10mm(2-3)t | ||||
T>10mm(2.5-3.0)t | ||||
Concave and convex degree | ≤5% side length | ≤6% side length | ||
Bending degree | ≤1.5mm/m, total bending degree≤0.15% specified length | ≤2mm/m, total bending degree≤0.2% specified length | ||
Distortion degree | 2mm+0.5mm/m | - | ||
Scale accuracy | Ordinary precision 0- +50mm | Ordinary precision 0- +70mm | ||
Fine scale 0- +5mm | Fine scale 0- +15mm | |||
Cutting quality | 100mm≤side length≤300mm | 100mm≤side length≤300mm | ||
Cutting slope≤3mm | Cutting slope≤4mm | |||
300mm<side length≤500mm | 300mm<side length≤550mm | |||
Cutting slope≤3mm | Cutting slope≤6mm | |||
End without cutting burr | End with few cutting burr |
6. Mechanical Property:
Yield Strength Grade | Wall thickness (mm) | Yield strength (Mpa) | Tensile strength (Mpa) | Elongation% | Impact work (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 |
7.Main markets:
North America South America Eastern Europe Southeast Asia Mid East Eastern Asia Western Europe Central America Northern Europe Southern Europe South Asia
Domestic Market
8.Certification:
9.Why choose us?
- High quality pipe with reasonable price.
- Advanced test equipments and professional inspection measures to guarantee our quality.
- Our products are widely used in construction, water supply and other fields.
- The after-sale service is good, customers can buy our products without any worries.
- We can produce different kinds of pipes according to customers’ requirements.
- We have exported our products to many foreign countries. Our products are popular among these countries.
- Professional staff can save your time and money.
We have two big warehouse to guarantee stock of steel pipe.
Feel free to contact me if you have any questions.
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Contact Us
- Jinan Xin Jiyuan Special Section Tube Co., Ltd.
- Contact nameCathy Zhao
- Phone86-531-85736315
- AddressDaweizhuang, West of North Head of Erhuan West Road, Tianqiao District
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