TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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| Key Word | Cold Drawn Special Shaped Steel Tubes |
| Material | 10# 20# 45# Q195 Q215 Q235 Q345 |
| Size | OD: 4-1200mm WT: 0.3-200mm Length: 2000-9000mm |
| Surface | With Anti Rust Protection |
| Production Method | Cold Drawn |
| Application | Used in structural parts, tool and machinery parts |
Tolerance
According to the following tables, or according to customers’ request.
| Tolerance for the width | |||
| Size (mm) | Tolerance (mm) | ||
| General | High Grade | ||
| Width A/B | ≤30 | ±0.30 | ±0.20 |
| ＞30-50 | ±0.40 | ±0.30 | |
| ＞50-75 | ±0.80%A ±0.80%B | ±0.70%A ±0.70%B | |
| ＞75 | ±1%A ±1%B | ±0.80%A ±0.80%B | |
| Tolerance for wall thickness | |||
| Size (mm) | Tolerance (mm) | ||
| General | High Grade | ||
| Width A/B | ≤1.0 | ±0.18 | ±0.12 |
| ＞1.0-3.0 | ＋15% WT －10% WT | ＋12.5% WT －10% WT | |
| ＞3.0 | ＋12.5% WT －10% WT | ±10% WT | |
Mechanical Property
| Steel Grade | Tensile Strength MPa | Yeild Strength MPa | Elongation % |
| No less than | |||
| 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 |
Product 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 Excellent OD/ID Controlled Special Steel Pipe 10# 20# Cold Drawn Shaped Steel Tubes