ASTM A249 Stainless Steel 347 Boiler Tubes is an austenitic stainless acid-resistant steel containing elements such as chromium, nickel and niobium, which has high temperature resistance and intergranular corrosion resistance.
The melting point range of ASTM A249 TP347 stainless steel tube is 1398-1427℃, and the density is 7.9g/cm³. Its specific heat capacity is 500J/(kg·K), and the elastic modulus varies at different temperatures, for example, 196GPa at 20℃ and 167GPa at 600℃.
ASTM A249 TP347 stainless steel round tubes are widely used in aviation, petrochemical, food, papermaking and other industries and work under conditions where the temperature does not exceed 850℃.
Application of ASTM A249 Stainless Steel 347 Heat Exchanger Tubes
Products Data
A249 Stainless Steel 347 Welded Tube Chemical Composition
| UNS No | Grade | C | Si | Mn | P | S | Cr | Mo | Ni | N | Other |
| S34700 | 347 | 0.08 | 0.75 | 2.00 | 0.045 | 0.030 | 17.00/19.00 | – | 9.00/13.00 | – | Cb:10xC1.00 |
ASTM A249 Stainless Steel 347 Cold Drawn Tube Mechanical Properties
| UNS No | Grade | Proof Stress 0.2% (MPa) |
Tensile Strength (MPa) |
Elongation A5(%) |
Hardness Max | |
| HB | HRB | |||||
| S34700 | 347 | 205 | 515 | 40 | 201 | 92 |
Products display
ASTM A249 TP347 Stainless Steel Tube
Why Choose GNEE
GNEE is a professional Chinese stainless steel pipe manufacturer and stainless steel pipe supplier, specializing in industrial stainless steel welded pipes and special alloy pipes, with an annual production capacity of up to 7000 tons.
The produced pipes comply with GB, ASTM/ASME, JIS, DIN, EN, GOST and ISO standards.
If any question,please contact with us freely by E-mail or Telephone.sales@gneetube.com
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FAQ
Q: Are you a trading company or a manufacturer?
We are a manufacturer specializing in the production of stainless steel in materials such as large-diameter thick-walled stainless steel welded pipes. Timely delivery, low price, high quality, and unique insights into various materials of stainless steel, rounding, straight seam, and circumferential seam.
Q: What are the company's main products?
304/304L stainless steel welded pipes, thick-walled stainless steel welded pipes, large-diameter stainless steel welded pipes, customizable stainless steel elbows, etc.
Q: What is your minimum order quantity?
Our minimum order quantity for each order is about 25 tons (one container), and customers can mix different types of steel to reach this quantity.
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