TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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Cold Drawn Seamless Precision Steel Tube GOST9567 for Automative Parts
TORICH is professional to manufacture Cold Drawn Seamless Precision Steel Tube accordingto GOST9567 which covers both
seamless hot-finished mechanical tubing and seamless cold-finished mechanical tubing The tubes can be furnished
in the following shapes, as specified by the purchaser: round, square, rectangular, and special sections.
| Standard | GOST9567 Precision steel tubes |
| Material | 10, 20, 35, 45, 40X, 30ХГСА |
| Size | WT: 1-15mm; OD: 6-168mm; Length: max 12000mm |
| Manufacturer | Pipes shall be made by the Cold Drawn seamless process. |
| Applications | For Automobile, Machinery Engineering, Autoparts etc. |
| Test | Tension Test, Flaring Test, Flange Test, |
Chemical Composition
| Steel Grade | C | Si | Mn | Cr | Ni | Mo | S | P | Cu |
| 10 | 0.07-0.14 | 0.17-0.37 | 0.35-0.65 | 0.15 | 0.3 | - | - | - | - |
| 20 | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.25 | 0.25 | - | 0.03 | 0.025 | 0.3 |
| 35 | 0.32-0.40 | 0.17-0.37 | 0.50-0.80 | 0.25 | 0.3 | - | 0.04 | 0.035 | 0.3 |
| 45 | 0.42-0.45 | 0.17-0.37 | 0.50-0.80 | 0.25 | - | - | - | - | - |
| 40X | 0.36-0.44 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | 0.3 | - | 0.035 | 0.035 | 0.3 |
| 30ХГСА | 0.28-0.34 | 0.90-1.20 | 0.80-1.10 | 0.80-1.10 | 0.3 | - | 0.005 | 0.25 | - |
Mechanical Properties
| Steel Grade | Tensile strength, N/mm2 (min) | Yield strength, N/mm 2 (min) | Elongation, %(min) |
| 10 | 343 | 206 | 24 |
| 20 | 412 | 245 | 21 |
| 35 | 510 | 294 | 17 |
| 45 | 589 | 323 | 14 |
| 40X | 618 | - | 14 |
| 30ХГСА | 491 | - | 18 |
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.
FAQ
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