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Quality 1.4548.4
General Product Description
Material number 1.4548.4
Short name according to EN Z6CNUD15.4
AISI / UNS / Alloy 17-4PH, AISI 630,UNS S17400
Applicable standards WL 1.4548, AMS 5622, AMS 5643
Treatment hardened, Cond. H1025
Variations
| Quality | Treatment | Shape | Dimension (mm) |
|---|---|---|---|
| 1.4548.4 | hardened, Cond. H1025 |  Round | 5 - 240 |
| 1.4548.4 | hardened, Cond. H1025 |  Flat | 17 x 15 - 254 x 63,5 |
Tim Weber
Purchasing / Aviation Sales / Authorized Representative
+49 (0) 23 31 - 387 115
weber@remystahl.de
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Pierre Hermsdorf
Authorized Officer / Head of Procurement & Sales
+49 (0) 23 31 - 387 124
hermsdorf@remystahl.de
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Description
The material 1.4548 / 17-4PH is a stainless martensitic precipitation hardening steel with high strength and toughness. Application: aerospace, medical technology, mechanical engineering, oil and gas industry, pump and valve industry, general chemical industry, food industry, measurement and control technology and power engineering.
Chemical composition (in %)
| C | Cr | Ni | Cu | Nb | Mn | Si | P | Mo | S | |
|---|---|---|---|---|---|---|---|---|---|---|
| Min | - | 15,0 | 3,0 | 3,0 | 0,15 | - | - | - | - | - |
| Max | ≤ 0,07 | 17,5 | 5,0 | 5,0 | 0,45 | ≤ 1,0 | ≤ 1,0 | ≤ 0,03 | ≤ 0,50 | ≤ 0,03 |
| Element | Min | Max |
|---|---|---|
| C | - | ≤ 0,07 |
| Cr | 15,0 | 17,5 |
| Ni | 3,0 | 5,0 |
| Cu | 3,0 | 5,0 |
| Nb | 0,15 | 0,45 |
| Mn | - | ≤ 1,0 |
| Si | - | ≤ 1,0 |
| P | - | ≤ 0,03 |
| Mo | - | ≤ 0,50 |
| S | - | ≤ 0,03 |
Mechanical properties (in Condition H1025)
Tensile strength Rm 1070 - 1270 N/mm2
0.2% proof stress Rp0.2 ≥ 1000 N/mm2
Elongation at break A5 ≥ 11 (L); ≥ 7 (Q) %
Notched impact energy (ISO-V) 20 (L); 14 (Q) J
Magnetizability No
Typical areas of application
aerospace industry
mechanical and plant engineering
Pump and Valve Technology
Energy Engineering
oil and gas industry
Food Industry
medical technology
General Chemical Industry
Instrumentation and Control Technology
General properties (in Condition H1025)
Corrosion Resistance
Weldability
Forgeability
Tensionability
Note
All information in this data sheet has been compiled to the best of our knowledge and belief. It is for information purposes only and does not constitute a assured property or guarantee. For the suitability of the material in specific applications, we recommend carrying out appropriate inspections and tests. Any liability for damage or errors is excluded.