T22 T5 T12 ASTM A213 Steel Tube in Boiler Heat Exchanger Industry
1.Chemical components:
| | C | Mn | P≤ | S≤ | Si | Cr | Mo |
| T5 | ≤0.15 | 0.3-0.6 | 0.025 | 0.025 | ≤0.5 | 4-6 | 0.45-0.65 |
| T11 | 0.05-0.15 | 0.3-0.6 | 0.025 | 0.025 | 0.5-1 | 1-1.5 | 0.44-0.65 |
| T12 | 0.05-0.15 | 0.3-0.61 | 0.025 | 0.025 | ≤0.5 | 0.8-1.25 | 0.44-0.65 |
| T22 | 0.05-0.15 | 0.3-0.6 | 0.025 | 0.025 | ≤0.5 | 1.9-2.6 | 0.87-1.13 |
2.Mechanical Properties:
| | Tensile Strength | Yield Strength | Elongnation |
| T12 | 415 MPa | 220 MPa | 30% |
| T5 | 415 MPa | 205 MPa | 30% |
| T11 | 415 MPa | 205 MPa | 30% |
| T22 | 415 MPa | 205 MPa | 30% |
3.Outside Diameter and Tolerance:
| Outside Diameter | OD Tolerance | WT Tolerance | Ovality Tolerance | Cut Length Tolerance |
| OD≤ 12, 7 mm | ± 0, 13 mm | ± 15 % | – | + 3, 18 mm, – 0 mm |
| 12, 7 mm < OD ≤ 38, 1 mm | ± 0, 13 mm | ± 10 % | max, 1, 65 mm | + 3, 18 mm, – 0 mm |
| 38, 1 mm < OD ≤ 88, 9 mm | ± 0, 25 mm | ± 10 % | max, 2, 41 mm | + 4, 76 mm, – 0 mm |
Characteristic:Good concericity, OD and ID tolerance, high precision, stable quanlity , smooth roughness
Size Range:
| OD | 5-420mm |
| WT | 0.5-50mm |
| Length | 5.8 for 20ft container, 11.8 for 40ft container |
Application:
Boiler, Heat exchanger , Condenser
Standard:SA213
Grade: T5 T12 T11 T22
Type: Seamless
Apolication: Boiler heat exchanegr condenser
Delivery time: 30-60 days according to quantity
Payment : 30% T/T in advance, 70% paid before shipment
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.
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, 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.
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