ASTM A269 Stainless Steel Tube
ASTM A269 Seamless Stainless Steel Tubing is used for low temperature and high temperature services. These pipes could be made from austenitic steel types under electric resistant weld, electric fusion weld or seamless cold drawing mechanisms. The SA269 Tubing can also have different finishes and can be heat treated. The SA 269 Tp 316 is more corrosion resistant than the 304 material types and it is used in applications with high pressures and high temperatures as well as low pressure and low temperatures. Therefore the SA 269 Tp 304 and the ASTM A269 Tp316l material grade pipes have different schedules. These schedules correspond to different wall thickness corresponding to different nominal diameters.
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Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of astm a269 stainless steel tube in China. With abundant experience, we warmly welcome you to wholesale customized astm a269 stainless steel tube from our factory. For price consultation, contact us.
ASTM A269 Seamless Stainless Steel Tubing is used for low temperature and high temperature services. These pipes could be made from austenitic steel types under electric resistant weld, electric fusion weld or seamless cold drawing mechanisms. The SA269 Tubing can also have different finishes and can be heat treated. The SA 269 Tp 316 is more corrosion resistant than the 304 material types and it is used in applications with high pressures and high temperatures as well as low pressure and low temperatures. Therefore the SA 269 Tp 304 and the ASTM A269 Tp316l material grade pipes have different schedules. These schedules correspond to different wall thickness corresponding to different nominal diameters.
The ASTM A269 Tp316 Tube is used in high temperature services with high pressures such as the hydraulic systems. Other specifications of the ASTM A269 Tube could be used in textile, chemical and marine industries. The ASTM A269 Tolerances are high for chloride ion rich environments and most oxidizing agents. Therefore the ASTM A269 Seamless Stainless Steel Tubing is a good choice for chemical and marine industries. Also the corrosion resistance for general services is great with ASTM A269 Seamless Tubing. Due to the accuracy in dimensions, strength and corrosion resistance, the ASTM A269 SS Tubing is widely used along these industries. Gnee Steel is a supplier of these products and our ASTM A269 Tubing Pressure Rating allow us to produce different pressure classes of these pipes for customer requirements. You can get a full catalog of our products upon inquiry.
ASME SA269 Tubes Mechanical Properties
| SS GRADE | HEAT TREATMENT | TEMPERURE F (C) MINIMUM | 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 |
ASTM A269 Standard Tubing Chemical Composition
| SS GRADE | ASTM A269/SA 269 CHEMICAL COMPOSITION % MAXIMUM | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | --- | ||
SA269 tubing Tolerance
| 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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