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Benefits of 347 Stainless Steel
1, Higher creep stress and rupture properties when compared with 304
2, Ideal for high temperature service
3, Overcomes sensitization and intergranular corrosion concerns
4, Can be used in elevated temperature applications for ASME Boiler and Pressure Vessel Code applications
5, Due to stabilisation the material offers better overall corrosion resistance when compared to 304/304L
6, Excellent mechanical properties
7, A high carbon version (347H) is also available
Typical Uses
1, Heat exchangers
2, High temperature steam service
3, High temperature chemical process
DESCRIPTION | TYPE 347 |
Proof Stress 0.2% (MPa) | 205 |
Tensile strength (MPa) | 515 |
Elongation A5 (%) | 40 |
Hardness | HB: 201 |
UNS No | S34700 |
EN | 1.4550 |
AISI | 347 |
Carbon (C) | 0.08 |
Silicon (Si) | 0.75 |
Manganese (Mn) | 2.00 |
Phosphorus (P) | 0.045 |
Sulphur (S) | 0.030 |
Chromium (Cr) | 17.00 – 19.00 |
Molybdenum (Mo) | |
Nickel (Ni) | 9.00 – 13.00 |
Nitrogen (N) | |
Other | Cb:10xC1.00 |
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