DILLIMAX 690 PE (EN 1.8879)
DILLIMAX 690 PE (EN 1.8879) introduction
DILLIMAX 690 PE is a high strength quenched and tempered, fine grained steel (through sufficient aluminium content) for pressure equipment with a
minimum yield strength of 690 MPa in its delivered condition (referring to the lowest thickness range). Its mechanical
properties are achieved by water quenching followed by tempering.
DILLIMAX 690 PE (Pressure Equipment) is preferentially used for pressure parts. Its mechanical properties and
analysis are in full compliance with the P690Q (1.8879) according to EN 10028-6.
Equivalent material: EN P690Q, EN 1.8879, DIN P690Q, DIN 1.8879
DILLIMAX 690 PE (EN 1.8879) general
| Property |
Value |
Comment |
| Carbon equivalent (CEV) |
Carbon equivalent (CEV) of 0.41 [-] |
typical values for plate thickness 10 ≤ t ≤ 15 mm |
| - |
Carbon equivalent (CEV) of 0.51 [-] |
typical values for plate thickness 15 < t ≤ 50 mm |
| - |
Carbon equivalent (CEV) of 0.63 [-] |
typical values for plate thickness 50 < t ≤ 150 mm |
| Carbon equivalent note |
- |
DILLIMAX 690 PE (EN 1.8879) chemical
| Property |
Value |
Comment |
| Boron |
Boron of 0.004 % |
max. |
| Carbon |
Carbon of 0.2 % |
max. |
| Chromium |
Chromium of 1.5 % |
max. |
| Iron |
- |
| Manganese |
Manganese of 1.7 % |
max. |
| Molybdenum |
Molybdenum of 0.7 % |
max. |
| Nickel |
Nickel of 2.5 % |
max. |
| Niobium |
Niobium of 0.18 % |
max. V+Nb |
| Phosphorus |
Phosphorus of 0.025 % |
max. |
| Silicon |
Silicon of 0.8 % |
max. |
| Sulfur |
Sulfur of 0.015 % |
max. |
| Vanadium |
Vanadium of 0.18 % |
max. V+Nb |
DILLIMAX 690 PE (EN 1.8879) mechanical
| Property |
Temperature |
Value |
Testing Standard |
Comment |
| Charpy impact energy, V-notch |
-20 °C |
Charpy impact energy, V-notch of 27 J |
EN 10045-1 |
option 2 | average of 3 tests | Lateral expansion 0.38 mm | transverse specimens |
| - |
0 °C |
Charpy impact energy, V-notch of 40 J |
EN 10045-1 |
option 1 | average of 3 tests | Lateral expansion 0.38 mm | transverse specimens |
| Elongation |
- |
Elongation of 14 % |
- |
min. for plate thickness t ≤ 150 mm according to EN 10028-1 | transverse specimens, A5 |
| Tensile strength |
- |
Tensile strength of 720 - 900 MPa |
- |
for plate thickness 100 < t ≤ 150 mm according to EN 10028-1 | transverse specimens |
| - |
- |
Tensile strength of 770 - 940 MPa |
- |
for plate thickness 65 < t ≤ 100 mm according to EN 10028-1 | transverse specimens |
| - |
- |
Tensile strength of 795 - 930 MPa |
- |
for plate thickness t ≤ 65 mm according to EN 10028-1 | transverse specimens |
| Yield strength |
- |
Yield strength of 630 MPa |
- |
min. ReH for plate thickness 100 < t ≤ 150 mm according to EN 10028-1 | transverse specimens |
| - |
- |
Yield strength of 670 MPa |
- |
min. ReH for plate thickness 65 < t ≤ 100 mm according to EN 10028-1 | transverse specimens |
| - |
- |
Yield strength of 690 MPa |
- |
min. ReH for plate thickness t ≤ 65 mm according to EN 10028-1 | transverse specimens |
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