- Steel Pipes[6]
- Contact Person : Ms. Zhao Cathy
- Company Name : Jinan Xin Jiyuan Special Section Tube Co., Ltd.
- Tel : 86-531-85736325
- Fax : 86-531-85736328
- Address : Shandong,Jinan,Daweizhuang,North of second west ring road,Dawei industrial park
- Country/Region : China
- Zip : 250032
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ASTM A500 Galvanized Rectangular Steel Pipe
1. STANDARD:
GB/T3094-2000, GB/T6728-2002, ASTM A500, JIS G 3466, DIN EN 10210, GB/T178-2005
2. MATERIAL:
Q195, Q215, Q235, Q275, Q345, 20#, 45#, Stainless steel, Seamless steel, Alloy steel.
3. SURFACE:
Bared, Galvanized, Oiled, Color Paint, 3PE; Or Other Anti-corrosive Treatment.
4. TECHINQUE:
Hot rolled, Cold rolled, ERW, High-frequency welded.
5. 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.
6. SUFACE 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 | |||
Right Angle | 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(2.5-3.5)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 | |||
7. 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 |
8.What advantage do we have?
Our factory established in 1997, we have 16 years experience in this area.We engaged in research square and rectangular steel tube at the beginning of company established, now our technology is far ahead.We have a leading international, domestic origination of production units.We have passed the standards of ASTM A500, JIS G 3466, DIN EN10210, GB/T178-2005, GB/T 3094-2000 and GB/T6728-2002.Our products in different sizes, and different thickness (1.0mm-32mm), can satisfy your desire a station buy need.Perfect after-sale service to solve your worries.