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Stainless Steel Seamless Tube
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. 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.
Feel free to contact me if you have any questions.
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