Product Description
| Product Name | TORICH EFW Austenitic Chromium-Nickel Alloy Steel Pipe for High Temperature Service |
| Standard | ASTM A358, A240, A262, A480, A941, A999, E527, AWS A5.4, A5.9, A5.11 etc |
| Material | 304H, 309S, 309Cb, 310S, 310Cb, 321H, 347H S22100, S08020, S08367 etc |
| Application | High Temperature Service |
| Test | Tension and Bend Test, Transverse Guided-Bend Welded Tests |
| Grade or UNS Designation | Heat Treating Temperature | Cooling/Testing Requirements |
| 304H,309S,309Cb,310S,310Cb, 321H,347H,S22100,S28300 | 1900℉ [1040℃] | D |
| N08020 | 1800-1850℉ [980-1010℃] | D |
| N08367 | 2025℉ [1110℃] | D |
| N08700 | 2000℉ [1095℃] | D |
| N08810 | 2050℉ [1120℃] | D |
| N08811 | 2100℉ [1150℃] | D |
| N08904 | 2000℉ [1095℃] | D |
| N08926 | 2010℉ [1100℃] | D |
Permissible Variations in Dimensions
Outside Diameter--Based on circumferential measurement, ±0.5% of the specified outside diameter
Out-of-Roundness--Difference between major and minor outside diameters, 1%
Alignment--Using a 10-ft [3-m] straightedge placed so that both ends are in contact with the pipe, 1/8 in [3mm] deviation from contact with the pipe
Thickness--The minimum wall thickness at any point in the pipe shall not be more than 0.01 in [0.3mm] under the nominal thickness
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.
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FAQ
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 A358 EFW Austenitic Chromium-Nickel Alloy Steel Pipe for High Temperature Service
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