Jiaxing MT stainless steel co.,ltd.
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20BWG 0.89mm Wall Thickness ( WT ) Stainless Steel Coiled Tubing ASTM A213 Standard
MTSCO is a leading manufacturer who is specialized in seamless coiled tubing produce . Stainless steel seamless coiled tubing final surface is bright annealed. According to standard very strictly, tubes which produced by us always have correct OD and WT tolerance. They are very popular in military, semiconductor, pharmaceutical biotechnology, precision instruments, hydraulic parts, chemicals industry, boilers and heat exchangers, aerospace industry, automotive industry, electronics, petroleum exploration, precision machinery, rail transportation, shipbuilding plants, air-conditioning industry, solar industry, water heater industry etc. They can be used in many others industries also .
Where the coiled tubing used ?
1 . Control tubing in oil and gas well
2 . Instrument tubing
3 . Chemicl injection tubing line
4 . Pre-insulated tubing
5 . Electric heating or steam heating tubing line
6 . Hater tubing line
Chemical Composition :
| Material | ASTM A269 Chemical Composition % Max | ||||||||||
| C | Mn | P | S | Si | Cr | Ni | Mo | N B | Nb | Ti | |
| TP304 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | ^ | ^ | ^. | ^ |
| TP304L | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-12.0 | ^ | ^ | ^ | ^ |
| TP316 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP316L | 0.035 D | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-15.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP321 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | ^ | ^ | ^ | 5C -0.70 |
| TP347 | 0.08 | 2 | 0.045 | 0.03 | 1 | 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 |
