TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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Harnessing the modern technology and latest machines, we have cemented our status as a prime figure in the industry. As a Manufacturer, Exporter and Supplier of Mechanical Welded Seamless Steel Tubes, we offer sturdiness, durability and dependability thanks to the fact that we strictly use first-rate materials sourced from trusted vendors. Mechanical Welded Seamless Steel Tubes are available at reasonable rates.
| Standard | GB/T3091 |
| Matrial | Q195 Q215A Q215B Q235A Q235B Q295A Q295B Q345A Q345B |
| Size | OD: 10-219.1mm WT: 2-4mm Length: 3-12m |
| Manufacturing process | ERW /SSAW /LSAW |
| Application | For Water,Air,Steam,Gas,Low Pressure Liquid Delivery |
| OD | Permissible Variation in OD | Permissible Variation in WT | |
| Pipe | Pipe end (within 100mm) | ||
| D≤48.3 | ±0.5 | - | ±10% t |
| 48.3 | ±1% D | - | |
| 273.1 | ±0.75% D | +2.4 -0.8 | |
| D>508 | ±1% or ± 10.0 (choose smaller one) | +3.2 -0.8 | |
Mechanical Properties
| Grade | Lower Yeild Strength/MPa, min | Tensile Strength/MPa, min | Elongation %, min | ||
| t≤16mm | t>16mm | D≤168.3mm | D>168.3mm | ||
| Q195 | 195 | 185 | 315 | 20 | 89 |
| Q215A, Q215B | 215 | 205 | 335 | ||
| Q235A, Q235B | 235 | 225 | 370 | ||
| Q275A, Q275B | 275 | 265 | 410 | 13 | 18 |
| Q345A, Q345B | 345 | 325 | 470 | ||
1.Pipes will be delivered by welded.
2.According to the requirements of customers, after consultation between supplier and customer, the pipe can be delivered by heat - treatedweld, or by heat treatment.
3.According to the requirements of customers, after consultation between supplier and customer, the pipe which OD≤308mm can be delivered by hot galvanized, or other protective coating.
Size Measurement
NDT inspection: by eddy current test ultrasonic test
Mechanical test.
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/T3091 ERW SSAW LSAW Welded Carbon Steel Tube for Low Pressure Liquid Delivery