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Quality 1.7734.4
General Product Description
Material number 1.7734.4
Short name according to EN 15CDV6
Applicable standards WL 1.7734
Treatment quneched and tempered
Variations
| Quality | Treatment | Shape | Dimension (mm) |
|---|---|---|---|
| 1.7734.4 | quenched and tempered |  Round | 20 - 120 |
| 1.7734.4 | quenched and tempered |  Flat | 135 x 54 + 207 x 54 |
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 1.7734 is a Cr-Mo-V alloyed quenched and tempered steel with high quenching and tempering and high temperature strength. Oil- and air-hardenable. Good weldability. Gas-nitizable. For aerospace it is certified according to WL 1.7734.
Chemical composition (in %)
| C | Cr | Mn | Mo | S | P | V | Si | |
|---|---|---|---|---|---|---|---|---|
| Min | 1,25 | 0,25 | 0,8 | 0,8 | - | - | 0,02 | - |
| Max | 1,5 | 1,5 | 1,0 | 1,0 | 0,015 | 0,02 | 0,3 | 0,2 |
| Element | Min | Max |
|---|---|---|
| C | 1,25 | 1,5 |
| Cr | 0,25 | 1,5 |
| Mn | 0,8 | 1,0 |
| Mo | 0,8 | 1,0 |
| S | - | 0,015 |
| P | - | 0,02 |
| V | 0,02 | 0,3 |
| Si | - | 0,2 |
Mechanical properties (.4)
Tensile strength Rm 700 N/mm2
0.2% proof stress Rp0.2 550 N/mm2
Elongation at break A5 13 (L) / 9 (Q) %
Notched impact energy (ISO-V) 60 (L) / 35 (Q) J
Hardness 207 HB
Magnetizability No
Typical areas of application
General properties (.4)
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.