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| Place of Origin | Changzhou |
| Brand Name | Joyruns |
| Certification | ISO9001 |
| Model Number | 6mm to 760mm |
ASTM A312 TP317/TP317L Seamless High Precision Stainless Steel Heat exchanger Tube
Austenitic grade 317l Stainless Steel Tubing covered under specification ASTM A213 is designed to be a part of systems involving the use of either steel boiler, superheater, or heat-exchanger tubes. The L after grade 317 indicates that the SA 213 Tp 317l is a lower carbon-containing alloy.
TP317 Stainless Steel tubing composition
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
|
|
317 |
min. |
– |
– |
– |
– |
– |
18.0 |
3.0-4.0 |
11.0 |
– |
|
max. |
0.08 |
2.0 |
1.0 |
0.040 |
0.030 |
20.0 |
14.0 |
– |
||
|
317L |
min. |
– |
– |
– |
– |
– |
18.0 |
3.0-4.0 |
11.0 |
– |
|
max. |
0.08 |
2.0 |
1.0 |
0.040 |
0.030 |
20.0 |
15.0 |
– |
||
TP317 Stainless Steel Tube mechanical properties
|
Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
|
|
Rockwell B (HR B) max |
Brinell (HB) max |
||||
|
317 |
515 |
205 |
35 |
75 |
205 |
|
317L |
515 |
205 |
35 |
75 |
205 |
Equivalent Grades for TP317 Stainless Steel Tube
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 317 | 1.4449 | S31700 | SUS 317 | – | – | – | – |
| SS 317L | 1.4438 | S31703 | SUS 317L | – | – | – | X2CrNiMo18-15-4 |
Stainless Steel 317/317L Tube Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 317 | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Hydraulic Testing & ECT Testing
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