European EN SA/EN 10028-7, 1.4418 Specialsteel Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | 1.4418 | Precipitation-Hardening | EN | European | Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels |
C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | N | Mo | W |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.20 | ≤0.50 | ≤1.00 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤12.50 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤remaining | ≤ ≥ | ≤ ≥ | ≤3.00 |
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) |
---|---|---|---|---|---|---|
721 (≥) | 628 (≥) | 23 | 14 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 412 |
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 |
---|---|---|---|---|---|---|---|
21 | - | - | 0.34 | - | |||
593 | 373 | - | 42.3 | 423 | - | ||
781 | - | 31 | 12.2 | 131 | 242 |
Heat treated : 1325°C - 1494°C
1.4418 TTT Curves
Grade | Standard | Country | Application |
---|---|---|---|
1.4418 | |||
1.4418 | |||
S41800 | |||
S41800 | |||
418 | |||
S41800 | |||
AMS 6418F | |||
UNS W50418 | |||
UNS W21418 | |||
SCM418 | |||
SCM418H | |||
SCM418TK | |||
418(S41800) | |||
Type418(GreekAscollOy) | |||
S41800 | |||
UNS S41800 | |||
1.4418 | |||
1.4418 | |||
GH4180 | |||
GH4180 |
SA/EN 10028-7 | Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels | SA-EN-10028-7.pdf |
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