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Overview
Specifications
347 Stainless Steel
347 stainless steel has slightly improved corrosion resistance over type 321 stainless steel in strongly oxidizing environments. Type 347 is stabilized with columbium.
Chemical Properties
| Cr | Ni | Cb + Ta | C | Si | Mn | P | S | Fe | |
|---|---|---|---|---|---|---|---|---|---|
| MIN | 17 | 9 | Cb 10xc | 0.04 | – | – | – | – | |
| MAX | 19 | 13 | 1 | 0.08 | 0.75 | 2 | 0.045 | 0.03 | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength, ksi | 75 |
| 0.2% Yield Strength, ksi | 30 |
| Elongation, % | 40 |
| Hardness Max, Brinell | 201 |