TP317 Heat Exchanger Steel Tube , Stainless Steel U Tubes
TP317 Heat exchanger stainless steel U tubes
OD:6-127mm
WT:0.5-12mm
SA213 long steel tubes, make to U bend tubes for boilers and heat exchangers.
With strong wood structure box packing by containers loading and shipping.
Heater tubes U TUBES with Stainless, Alloy steel grade available, Carbon Steel grade is also available.
Chemical composition
| Steel grade | C max | Mn max | P max | S max | Si Max | Cr | Ni | Mo | N |
| TP317 | 0.08 | 2.00 | 0.045 | 0.03 | 1.00 | 18.00-20.00 | 11.00--15.00 | 3.00-4.00 | - |
| TP317L | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 18.00-20.00 | 11.00-15.00 | 3.00-4.00 | - |
| TP321 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.00-19.00 | 9.00-12.00 | - | - |
TP321 Ti5(C+N)-0.70
Mechanical Properties:
| Material | Mechanical Properties | ||
| Tensile Strength ≥ MPa | yield strength ≥ MPa | Elongation ≥ % | |
| TP317 | 515 | 205 | 35 |
| TP317L | 515 | 205 | 35 |
| TP321 | 515 | 205 | 35 |
Acknowledge:
Gauge-Inch-mm Gauge 12 14 15 16
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.
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 ? is it free or extra ?
A: Yes, we could offer the sample of TP317 Heat exchanger stainless steel U tubes 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.
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