TORICH GB/T3094 Carbon Steel Tube Custom Flat Sided Cold Rolled Oval Shape Steel Pipe
| Standard | GB/T3094, BS, JIS, GB, DIN, ASTM, API |
| Matrial | 10#-45# A53-A369, ST35-ST52, Q195, Q235 , Q345 |
| Size | OD: 4-1200mm WT: 0.3-200mm Length: 1-12m |
| Application | Mechanical engineering , Agricultural machines , Structural construction |
| Surface | painted,galvanized,or oiled according to customer's requirement |
| Test and Inspection | Mechanical Test, Tension Test Flaring Test, Flattening Test Hardness Test, Hydrostatic or Nondestructive Electric Test etc |
| Grade | Tensile Strength min Mpa | Yield Strength min Mpa | Elongation min % |
| 10 | 335 | 205 | 24 |
| 20 | 390 | 245 | 20 |
| 35 | 510 | 305 | 17 |
| 45 | 590 | 335 | 14 |
| Q195 | 315 | 195 | 22 |
| Q215 | 335 | 215 | 22 |
| Q235 | 375 | 235 | 20 |
| Q295 | 430 | 295 | 22 |
| Q345 | 510 | 345 | 21 |
| Q390 | 530 | 390 | 18 |
Permissible Variation
| Size | Permissible Variation | |
| PA | PC | |
| side length: ≤30 | ±0.30 | ±0.20 |
| >30-50 | ±0.40 | ±0.30 |
| >50-75 | ±0.80% | ±0.70% |
| >75 | ±1.00% | ±0.80% |
| wall thickness: ≤1 | ±0.18 | ±0.12 |
| >1-3 | +15% -10% | +12.5% -10.0% |
| >3 | +12.5% -10% | ±10.0% |
Production Show
QUALITY CONTROL:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
TORICH GB/T3094 Carbon Steel Tube Custom Flat Sided Cold Rolled Oval Shape Steel Pipe
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