Electric Resistance Welded Carbon Steel Heat Exchanger Tubes Oiled Surface
Product Details
carbon steel tube
,high carbon steel tube
| Standard | ASTM A178/A178M, A450/A450M, E213, E273 |
| Matrial | Grade A, Grade B, Grade C |
| Size | OD: 12.7-127mm WT: 0.9-9.1mm Length: Customer's Requirement |
| Application | For Boiler, Superheater and Heat exchanger |
| Manufacture | The steel for Grade D shall be killed Tubes shall be made by electric-resistance-welding |
| Test and Inspection | Mechanical Test, Tension Test, Flattening Test Hardness Test, Flaring TestFlange Test |
| Element | Grade A low-Carbon Steel | Grade C Medium-Carbon Steel | Grade D Carbon-Manganese Steel |
| Carbon | 0.06-0.18 | 0.035 max | 0.27 max |
| Manganese | 0.27-0.63 | 0.80 max | 1.00-1.50 |
| Phosphorus, max | 0.035 | 0.035 | 0.030 |
| Sulfur, max | 0.035 | 0.035 | 0.015 |
| Silicon | ... | ... | 0.10 min |
| | Grade C | Grade D |
| Tensile Strength, min, ksi [MPa] | 60 [415] | 70 [485] |
| Yield Strength, min, ksi [MPa] | 37 [255] | 40 [275] |
| Elongation in 2 in. or 50mm, min, % | 30 | 30 |
| Wall Thickness | Elongation in 2 in. or 50mm, min, % | |
| in. | mm | |
| 5/16 (0.312) | 8 | 30 |
| 9/32 (0.281) | 7.2 | 29 |
| 1/4 (0.250) | 6.4 | 27 |
| 7/32 (0.219) | 5.6 | 26 |
| 3/16 (0.188) | 4.8 | 24 |
| 5/32 (0.156) | 4 | 22 |
| 1/8 (0.125) | 3.2 | 21 |
| 3/32 (0.094) | 2.4 | 20 |
| 1/16 (0.062) | 1.6 | 18 |
Product Show
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 ASTM A178 Electric-Resistance-Welded carbon steel tubes boiler and heat exchanger tubes
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