19.1mmX1.2mm Welded Steel Tube , HC340 HC420 Alloy Steel Tube ERW Technique
Product Details
welded steel pipe
,electric resistance welded steel tube
TORICH Welded Steel Tube 19.1mmX1.2mm HC340 HC420 Alloy Steel Tube for Automobile Parts
| Material | HC340/HC340LA, HC420/HC420LC etc |
| Size | OD: 10mm~50mm WT: 0.5mm~2.5mm Length: according to customer requirement |
| Technique | Cold Draw/Cold Rolled, ERW |
| Tolerance | It can be controled within OD/Thickness +/-0.1mm |
| Application | For Automobile Parts |
| Test | Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive Electric Test |
Chemical Requirements
| Steel Grade | C | Mn | P | S | Alt | Si | Ti | Nb |
| max | ||||||||
| HC2201 | 0.06 | 0.8 | 0.04 | 0.02 | 0.015 | - | - | - |
| HC2601 | 0.08 | 1.2 | 0.10 | 0.02 | 0.015 | - | - | - |
| HC180Y | 0.01 | 0.8 | 0.08 | 0.025 | 0.010 | - | ≤0.12 | - |
| HC220Y | 0.01 | 1.4 | 0.10 | 0.025 | 0.010 | - | ≤0.12 | - |
| HC300B | 0.10 | 1.0 | 0.12 | 0.030 | 0.015 | 0.5 | - | - |
| HC260LA | 0.10 | 1.0 | 0.025 | 0.025 | 0.015 | 0.5 | 0.15 | - |
| HC340LA | 0.12 | 1.4 | 0.025 | 0.025 | 0.015 | 0.5 | 0.15 | 0.09 |
| HC420LA | 0.12 | 1.6 | 0.025 | 0.025 | 0.015 | 0.5 | 0.15 | 0.09 |
Mechanical properties
| Steel Grade | Yeild Strength Mpa | Tensile Strength Mpa | Enlongation %, min |
| HC2201 | 220-270 | 300-400 | 34 |
| HC2601 | 260-300 | 320-420 | 32 |
| HC180Y | 180-240 | ≥340 | 34 |
| HC220Y | 220-280 | ≥360 | 32 |
| HC300B | 300-360 | 390-480 | 26 |
| HC260LA | 260-330 | 350-430 | 26 |
| HC340LA | 340-420 | 410-510 | 21 |
| HC420LA | 420-520 | 470-600 | 17 |
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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