ASTM 304 En1.4301 Stainless Steel Pipe
ASTM 304 En1.4301 Stainless Steel Pipe
Manufacturing data:
304/304H can be easily welded and processed in standard workshop manufacturing practices.
Cold forming:
This alloy has good ductility and is easy to form. Cold working operations will increase the strength and hardness of the alloy, and may make it slightly magnetic.
Hot forming:
For most hot working processes, it is recommended to operate at a temperature of 1652-2102 ° F (750-1150 ° C). To achieve maximum corrosion resistance, the material should be annealed at least 1900 ° F (1038 ° C) and quenched with water or rapidly cooled by other means after hot working.
304/304H Chemical Composition:
Weight % (all values are maximum unless a range is otherwise indicated)
| Element | 304 | 304H |
| Cr | 18.0 - 20.0 | 18.0 - 20.0 |
| Ni | 8.0 - 10 | 8.0 - 10 |
| C | 0.08 | 0.04 - 0.1 |
| Mn | 2.0 | 2.0 |
| P | 0.045 | 0.045 |
| S | 0.03 | 0.03 |
| Si | 0.75 | 0.75 |
| N | 0.1 | 0.1 |
| Fe | Balance | Balance |
304/304H Mechanical Properties:
| Typical | 304 | 304H | |
| 0.2% Offset Yield Strength, ksi | 43 | 30 min | 30 min |
| Ultimate Tensile Strength, ksi | 91 | 75 min | 75 min |
| Elongation in 2 inches, % | 58 | 40 min | 40 min |
| Reduction in Area, % | 68 | -- | - |
| Hardness, Rockwell B | 83 | 92 max | 92 max |
Available Surface
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