| MOQ: | negotiable | 
| Price: | negotiable | 
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
![]()
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.
![]()
A: A professional steel pipes materials inventor, manufacturer and solution provider
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.
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.
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 
          | MOQ: | negotiable | 
| Price: | negotiable | 
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
![]()
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.
![]()
A: A professional steel pipes materials inventor, manufacturer and solution provider
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.
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.
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