J524 Seamless Automotive Steel Tubes 15mm Wall Thickness Annealed For Bending
| Standard | SAE J524 |
| Material | J524 Low Carbon Steel |
| Size | WT: 1-15mm; OD: 6-88.9mm; Length: Customer's Requirements |
| Applications | For Bending and Flaring to auto parts |
| Test | Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive Electric Test etc |
| Advantage | Cutting For Customer Good Packing with Pallet Better Concentricity |
Chemical Composition
| C max | Mn | P max | S max |
| 0.18% | 0.30 to 0.60 | 0.040 max | 0.050 max |
Mechanical Properties
| Yield Strength,min | Ultimate Strenth,min | Elongation in 50mm, min | Hardness ( Rockwell B),max |
| 170 Mpa | 310 Mpa | 30% | 65.00 |
Outside Diameter Tolerance
| Nominal Tubing OD mm | Tolerance ±mm |
| Up to 25.4 | 0.10 |
| Over 25.4 to 38.1 inclusive | 0.15 |
| Over 38.1 to 50.8 inclusive | 0.20 |
| Over 50.8 to 88.9 inclusive | 0.25 |
| WT tolerance shall be not more than 10% | |
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.
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