347 Stainless Steel

Type 347 stainless steel immune to high temperatures, high strength, stabilized by Columbium and Tantalum. Uses include exhaust manifolds, flash boilers, stack liners, firewalls, pressure vessels and boiler casings.

Products Offered

  • Wire Cloth
  • Perforated Metal
  • Expanded Metal
  • Bar Grating
  • Hex Metal

Principal Design Features

Similar to 321 stainless, 347 uses columbium as a stabilizing element to maximize its principal feature: resistance to intergranular corrosion. It can be used in applications requiring repeated heating in the range of 800 and 1650 F (427-899 C).

Chemistry
Carbon 0.08 max
Chromium 17 - 19
Iron Balance
Manganese 2 max
Nickel 9 - 13
Niobium Min:5 x C
Phosphorus 0.045 max
Silicon 1 max
Sulphur 0.03 max
Physical Data
Density (lb / cu. in.) 0.29
Specific Gravity 8.03
Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) 0.12
Electrical Resistivity (microhm-cm (at 68 Deg F)) 438
Melting Point (Deg F) 2600
Modulus of Elasticity Tension 28

DisclaimerThis information is provided "as is" and MSS makes no warranty of any kind with respect to the subject matter or accuracy of the information contained herein. MSS specifically disclaims all warranties, expressed, implied or otherwise, including without limitation, all warranties of merchantability and fitness for a particular purpose.

In no event shall MSS be liable for any special, incidental, indirect or consequential damages of any kind or any damages whatsoever resulting from loss of use, data, profits, whether or not advised of the possibility of damage, and on any theory of liability, arising out of or in connection with the use of the information contained herein.

This publication may include technical inaccuracies or typographical errors. Changes may be periodically made to the information herein.

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