
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 |
Jiaxing MT stainless steel co.,ltd.
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MTSCO established in 2006, during many years’ development, now becomes a large and professional industrial piping system provider, serving customers from more than 100 countries and regions.