Stainless Steel U Bend Tube Used in Heat Exchanger
Material
TP304/304L/304H, 316/316L, 321/321H, 317/317L, 347/347H, 309S, 310S, 2205, 2507, 904L (1.4301, 1.4306, 1.4948, 1.4401, 1.4404, 1.4571, 1.4541, 1.4833, 1.4878, 1.4550, 1.4462, 1.4438, 1.4845)
Standards: ASTM A312, A213, A269, A511, A789, A790, A376, EN 10216-5, EN 10297,DIN 17456, DIN 17458,JISG3459, JIS GS3463, GS3467, JIS G3448, GOST 9940, GOST 9941, etc.
Application:
1.Control Tubing in Oil and Gas Well
2. Instrument Tubing
3. Chemical Injection Tubing Line
4. Pre-insulated Tubing
5. Electric Heating or Steam Heating Tubing Line
6. Heater Tubing Line etc
Process: Cold drawn, Cold rolled, Precision Rolled for Seamless Pipe or Tube
Surface Bright,Polished,2B,NO.1,NO.4,HL,BA,8K,Mirror,2D,checkered,
Finish: Outside & Inside Polished
Ends: Beveled or plain end, square cut, burr free
Package:Each tube with plastic bag and caps,then in polywooden cases.
Material |
ASTM A269 Chemical Composition % Max |
| C |
Mn |
P |
S |
Si |
Cr |
Ni |
Mo |
N B |
Nb |
Ti |
| TP304 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0-20.0 |
8.0-11.0 |
^ |
^ |
^ . |
^ |
| TP304L |
0.035 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0-20.0 |
8.0-12.0 |
^ |
^ |
^ |
^ |
| TP316 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
16.0-18.0 |
10.0-14.0 |
2.00-3.00 |
^ |
^ |
^ |
| TP316L |
0.035 D |
2.00 |
0.045 |
0.030 |
1.00 |
16.0-18.0 |
10.0-15.0 |
2.00-3.00 |
^ |
^ |
^ |
| TP321 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0-19.0 |
9.0-12.0 |
^ |
^ |
^ |
5C -0.70 |
| TP347 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0-19.0 |
9.0-12.0 |
|
|
10C -1.10 |
^ |
| Material |
Heat treatment |
Temperure F (C) Min. |
Hardness |
| Brinell |
Rockwell |
| TP304 |
Solution |
1900 (1040) |
192HBW/200HV |
90HRB |
| TP304L |
Solution |
1900 (1040) |
192HBW/200HV |
90HRB |
| TP316 |
Solution |
1900(1040) |
192HBW/200HV |
90HRB |
| TP316L |
Solution |
1900(1040) |
192HBW/200HV |
90HRB |
| TP321 |
Solution |
1900(1040) F |
192HBW/200HV |
90HRB |
| TP347 |
Solution |
1900(1040) |
192HBW/200HV |
90HRB |
| OD, inch |
OD Tolerance inch(mm) |
WT Tolerance % |
Length Tolernace inch(mm) |
| + |
- |
| ≤ 1 / 2 |
± 0.005 ( 0.13 ) |
± 15 |
1 / 8 ( 3.2 ) |
0 |
| > 1 / 2 ~1 1 / 2 |
± 0.005(0.13) |
± 10 |
1 / 8 (3.2) |
0 |
| > 1 1 / 2 ~< 3 1 / 2 |
± 0.010(0.25) |
± 10 |
3 / 16 (4.8) |
0 |
| > 3 1 / 2 ~< 5 1 / 2 |
± 0.015(0.38) |
± 10 |
3 / 16 (4.8) |
0 |
| > 5 1 / 2 ~< 8 |
± 0.030(0.76) |
± 10 |
3 / 16 (4.8) |
0 |
| 8~< 12 |
± 0.040(1.01) |
± 10 |
3 / 16 (4.8) |
0 |
| 12~< 14 |
± 0.050(1.26) |
± 10 |
3 / 16 (4.8) |
0 |
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