Material Data Sheet 1.7709, 21 Cr Mo V 5 7
| Material |
| Material-Number |
1.7709 |
Norm |
21 Cr Mo V 5 7 |
| Alloy |
|
DIN |
|
| EN |
10269 |
AMS |
|
| AISI |
|
UNS |
|
| BS |
|
ASTM |
|
| NACE |
|
SAE |
|
| Vd-TÜV |
|
ELI |
|
| Description |
|---|
| Warmfester Baustahl |
| Für warmfeste Schrauben u. Muttern |
| Application |
|---|
| Apparatebau bis ca. 540°C |
| Mechanical Properties |
|---|
| Density | 8 kg/dm³ |
| Rm min | 700 N/mm² | Rm max | 850 N/mm² |
| Rp 0.2 min | 350 N/mm² | Rp 0.2 max | 550 N/mm² |
| Elongation min | 16 % | Elongation max | 25 % |
| Chemical Composition (in Weight %) |
| Element |
C |
Ni |
Cr |
Mn |
P |
S |
Si |
Mo |
Al |
V |
| min |
0.17 |
|
1.2 |
0.4 |
|
|
|
0.55 |
|
0.2 |
| max |
0.25 |
0.6 |
1.5 |
0.8 |
0.025 |
0.03 |
0.4 |
0.8 |
0.03 |
0.35 |