ASTM A269 TP347 Cold Rolled Stainless Steel Pipe
Outer Diameter：3.18-810mm
Type：Seamless Pipe
Wall Thickness;0.2-40mm
Technique：Hot Rolled/Cold Drawn
Shape：Round/Customized
Process：Polished/Solution Treatment
End：Plain End/Bevel End
Test：BV, SGS Is Available
Stock：Size Can Customized
ASTM A269 TP347 Cold Rolled Stainless Steel pipe Introduction
ASTM A269 TP347 cold-rolled stainless steel pipe is a seamless pipe precisely formed by cold rolling process, which conforms to ASTM A269 standard and is suitable for high-temperature welding scenarios, high-pressure systems and high-cleanliness environments, such as chemical, energy, aerospace, food and medicine industries.
ASTM A269 TP347 cold-rolled pipe
Advantages of ASTM A269 TP347 stainless steel Tubes
ASTM A269 TP347 cold-rolled stainless steel pipes still have excellent resistance to intergranular corrosion after welding, and can maintain good oxidation resistance and creep strength at high temperatures of 650-850℃, suitable for high-temperature systems such as boilers and superheaters.
ASTM A269 TP347 stainless steel seamless pipes have high-precision dimensional tolerances and smooth surfaces (low Ra value) through cold rolling process. The austenite structure brings high ductility and toughness, is easy to cold-bend and has a stable structure. At the same time, it complies with ASTM A269 standards and is widely used in corrosive environments in many fields such as petrochemicals, nuclear power, and aerospace.
Why Choose GNEE
GNEE provides customized TP347 seamless/welded pipes, supports cold/hot processing, TIG/MIG welding, and is suitable for a wide temperature range of -196℃~900℃. It can meet the requirements of demanding scenarios such as marine engineering and high-temperature boilers, and provides a variety of options such as electrolytic polishing and different wedge interfaces.
ASTM A269 TP347 Austenitic stainless steel pipe Specifcation
Chemical Composition (Weight %)
| Element | Content Range |
|---|---|
| C | ≤0.10 |
| Si | ≤1.00 |
| Mn | ≤2.00 |
| Cr | 17.0–20.0 |
| Ni | 9.0–13.0 |
| Nb | 8×C%–1.5 |
| S | ≤0.030 |
| P | ≤0.035 |
Mechanical Properties
| Temperature | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| 20°C | 559–637 | 235–274 | 53–61 | 20.6–27.4 |
| 500°C | 392–429 | 147–216 | 28–36 | 23.5–28.4 |
| 600°C | 363–382 | 137–186 | 28–34 | 24.5–30.4 |
| 650°C | 304–363 | 118–167 | 31–38 | 23.5–31.4 |
Dimensions & Tolerances
| Parameter | Range | Tolerance |
|---|---|---|
| Outer Diameter (OD) | 3.18–101.6 mm (0.125–4 inches) | ±0.05–±0.2% (per ASTM A269) |
| Wall Thickness (WT) | 0.5–20 mm (0.02–0.787 inches) | ±10% |
| Length | Up to 12 m (39.4 ft) | ±5 mm (for cut lengths) |
| Surface Finish | Cold-rolled, bright annealed (Ra ≤0.8μm typical) |
ASME SA 269 TP 347 Seamless and Welded Tubing Manufacturer
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