Chemical Industry Special Steel Pipe Outer Hexagonal Inner Round Shaped
| Key Word | Outer Hexagonal Inner Round Shaped Steel Tubes |
| Material | SAE1010 , SAE1020 , SAE1035 , SAE1045 , ST37.0 , ST44 , ST52 , E235 , E355 |
| Application | For Agriculture motor applications, for Agricultural Machines,for motorcycles, for guns pipe, for machine |
| Manufacture | Cold Drawn with mandrel and die, with the tubes drawing, the mandre with a turning tool to make the ID of the tubes shaping a rib as desgined |
| Production Technology | Cold Drawn with mandrel and die, with the tubes drawing, the mandre with a turning tool to make the ID of the tubes shaping a rib as desgined |
| Test and Inspection | - Mechanical Test - Tension Test - Flattening Test - Hardness Test - Bend Test - Hydrostatic Test - Nondestructive Electric 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
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