TORICH INTERNATIONAL LIMITED |
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Standard: ASTM A250-04
OD: 12.7-127mm
WT : 0.9-8.1mm
Usage: This standard coversElectric-Resistance-Welded Ferritic Alloy-Steel to be used for Boiler and Superheater tubes.
Mechanical Test: TensionTest, TensionTest, TensionTest, ReverseFlatteningTest, HardnessTest
Note: Special steel grade is also available, according to customer request.
Chemical Requirements
Element | GradeT1 | GradeT1a | GradeT1b | GradeT2 | GradeT11 | GradeT12 | GradeT22 |
Carbon | 0.10-0.20 | 0.15-0.25 | 0.14max | 0.10-0.20 | 0.05-0.15 | 0.05-0.15 | 0.15max |
Manganese | 0.30-0.80 | 0.30-0.80 | 0.30-0.80 | 0.30-0.61 | 0.30-0.60 | 0.30-0.61 | 0.30-0.60 |
Phosphorus,max | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.030 | 0.025 |
Sulfur,max | 0.025 | 0.025 | 0.025 | 0.020 | 0.020 | 0.020 | 0.020 |
Silicon | 0.10-0.50 | 0.10-0.50 | 0.10-0.50 | 0.10-0.30 | 0.50-1.00 | 0.50max | 0.50max |
Molybdenum | 0.44-0.65 | 0.44-0.65 | 0.44-0.65 | 0.44-0.65 | 0.44-0.65 | 0.44-0.65 | 0.87-1.13 |
Chromium | --- | --- | --- | 0.50-0.81 | 1.00-1.50 | 0.80-1.25 | 1.90-2.60 |
Tensile Requirements
competitive Advantage:
100% good quality and price
The best service in steel field.. Including after-sales service
Reasonable price. We only illing to do business with sincere
buyers.
We could produce this pipe according American standard.
We are also a manufacturer,so we can provide the products in
conformity with your requirements
rapidly Our company has rich technical force and advanced
production equipment and coordinated
advanced test equipment and method.
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, and it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to 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
Tag: Electric-Resistance-Welded tubes, Electric-Resistance-Welded pipes