Germany WL WL 1.6604 Beiblatt 1 (1982), WL 1.6604-1 (1982), WL 1.6604-2 (1982), 1.6604 Specialsteel Special steels for the aerospace industry - Heat-treatable steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | 1.6604 | WL | Germany | Special steels for the aerospace industry - Heat-treatable steel |
C | Si | Mn | P | S | Cr | Mo | Ni |
---|---|---|---|---|---|---|---|
0.26 -0.34 | 0.15 -0.40 | 0.30 -0.60 | ≤0.025 | ≤0.025 | 1.80 -2.30 | 0.30 -0.65 | 1.80 -2.30 |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
487 (≥) | 619 (≥) | 31 | 43 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 224 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
31 | - | - | 0.13 | - | |||
816 | 865 | - | 23.3 | 334 | - | ||
956 | - | 13 | 23.2 | 121 | 423 |
Heat treated : 1661°C - 1929°C
WL 1.6604 Beiblatt 1 (1982) | Heat-treatable chromium-nickel-molybdenum steel with about 0.3C-2Cr-2Ni- 0.4Mo; rods, forgings and pipes | WL-1-6604-Beiblatt-1-(1982).pdf |
WL 1.6604-1 (1982) | Heat-treatable chromium-nickel-molybdenum steel with about 0.3 C - 2 Cr- 2 Ni - 0.4 Mo; rods and forgings | WL-1-6604-1-(1982).pdf |
WL 1.6604-2 (1982) | Heat-treatable chromium-nickel-molybdenum steel with about 0.3C-2Cr-2Ni-0.4Mo; pipes | WL-1-6604-2-(1982).pdf |
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