Arguably the most verstaile of all Stainless steels 304 & 304H have the best all round performance due to their chemical composition, mechanancial properties, weldability and corrosion resistance.
Where 304 & 304H differ is that Type 304H has a higher carbon content which gives it a slight edge on 304 when good mechanical properties are needed at elevated temperature environments.
| Percentage % | ||||||||
| C | Mn | Si | P | S | N | Cr | Ni | |
| Type 304 | 0.07 | 2.0 | 0.75 | 0.045 | 0.03 | 0.1 | 17.5 / 19.5 | 8.0 / 10.5 |
| Type 304H | 0.04 - 0.1 | 2.0 | 0.75 | 0.045 | 0.03 | - | 18.0 - 20.0 | 8.0 - 10.5 |
Maximum values unless stated.
Please note that all values are typical, for more detail please contact us directly.
| Properties | Value | |
| Type 304 | Tensile Strength (N/mm2) | 515 |
| Yield Stress / min (N/mm2) | 205 | |
| Type 304H | Tensile Strength (N/mm2) | 515 |
| Yield Stress / min (N/mm2) | 205 |
The values provided for Tensile and Yield are a maximum.
304 & 304H data sheet....
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