Precision Seamless Carbon Steel Round Mechanical Tubing SAE1045 For Auto Parts
Product Details
seamless steel pipe
,precision stainless steel tubing
| Material | 1045 4130 4140 etc |
| Size | OD: 1mm~50mm WT: 6mm~350mm Length: according to customer requirement |
| Technique | Cold Draw/Cold Rolled |
| Surface | Anti Rust Oil |
| End protector | Plastic Pipe Cap |
| Tolerance | It can be controled within OD/Thickness +/-0.1mm |
| Application | Auto Parts, Machinery Parts |
| Test | Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive Electric Test |
Chemical Requirements
| Steel grade | C max | Mn | P max | S max | Si max | Cr max | Mo |
| 1045 | 0.45-0.50 | 0.60-0.90 | 0.04 | 0.05 | | | |
| 4130 | 0.28-0.33 | 0.40-0.60 | 0.04 | 0.04 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
| 4140 | 0.38-0.43 | 0.75-1.00 | 0.04 | 0.04 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
Mechanical properties
| Steel Grade | Tensile Strength, min | Yield Strength, min | Enlongation %, min | Rockwell Hardness B Scale |
| 1045 HR | 75 ksi 517Mpa | 45ksi 310Mpa | 15% | 80 |
| 1045CW | 90ksi 621Mpa | 80ksi 552Mpa | 5% | 90 |
| 1045SR | 80ksi 552Mpa | 70ksi 483Mpa | 8% | 85 |
| 1045A | 65ksi 448Mpa | 35ksi 241Mpa | 20% | 72 |
| 1045N | 75ksi 517Mpa | 48ksi 331Mpa | 15% | 80 |
| 4130 HR | 90ksi 621Mpa | 70ksi 483Mpa | 20% | 92 |
| 4130 SR | 105ksi 724Mpa | 85ksi 586Mpa | 10% | 95 |
| 4130A | 75ksi 517Mpa | 55ksi 379Mpa | 30% | 81 |
| 4130N | 90ksi 621Mpa | 60ksi 414Mpa | 20% | 89 |
| 4140 HR | 120ksi 855Mpa | 90ksi 310Mpa | 15% | 100 |
| 4140 SR | 120ksi 855Mpa | 100ksi 689Mpa | 10% | 100 |
| 4140 A | 80ksi 552Mpa | 60ksi 414Mpa | 25% | 85 |
| 4140 N | 120ksi 855Mpa | 90ksi 621Mpa | 20% | 100 |
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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