250x250mm Seamless Steel Square Profile 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 |
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Wall thickness/t |
4mm≤t≤10mm ±8%t |
4mm≤t≤10mm ±8%t |
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10mm≤t≤22mm ±6%t |
10mm≤t≤22mm ±6%t |
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Suitable for flat parts |
Suitable for flat parts |
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Right Angle |
90°±1.0° |
90°±1.5° |
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Corner radius of circular arc |
t≤6mm(1.5-2.5)t |
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6mm≤t≤10mm(2-3)t | ||||
T>10mm(2.5-3.5)t | ||||
Concave and convex degree |
≤5% side length |
≤6% side length |
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Bending degree |
≤1.5mm/m, total bending degree ≤0.15% specified length |
≤2mm/m, total bending degree≤0.2% specified length |
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Distortion degree |
2mm+0.5mm/m |
- |
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Scale accuracy |
Ordinary precision 0- +50mm |
Ordinary precision 0- +70mm |
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Fine scale 0- +5mm |
Fine scale 0- +15mm |
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Cutting quality |
100mm≤side length≤300mm |
100mm≤side length≤300mm |
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Cutting slope≤3mm |
Cutting slope≤4mm |
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300mm |
300mm |
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Cutting slope≤3mm |
Cutting slope≤6mm |
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End without cutting burr |
End with few cutting burr |
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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 250x250mm Seamless Steel Square Profile Pipe 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.
FAQHow to contact me?
Email: 554717325(at)qq.com
250x250mm Seamless Steel Square Profile Pipe: sdxdcathy
Mobile:18853157756
250x250mm Seamless Steel Square Profile Pipe554717325
250x250mm Seamless Steel Square Profile Pipe554717325
Profile Steel is used to mount, brace, support, and connect lightweight structural loads in building construction. These include pipes, electrical and data wire, 250x250mm Seamless Steel Square Profile Pipe mechanical systems such as ventilation, air conditioning, and other mechanical systems. Strut channel is also used for other applications Profile Steel that require a strong framework, such as workbenches, shelving systems, equipment racks, etc. Specially made sockets are available to tighten nuts; bolts etc.
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Profile Steel is equipped with excellent equipments including two sets 1450 reversible rolling mills,250x250mm Seamless Steel Square Profile Pipe three sets 1150 reversible rolling mills, two sets galvanizing & galvalume lines, two sets color coating lines, one set correcting machine, and one set pickling line.