ISO ISO ISO X50CrMnNiNbN21 9 ISO standard valve austenite steel and ISO X50CrMnNiNbN21 9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
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Steel Grades | Special Alloy | ISO X50CrMnNiNbN21 9 | ISO | ISO | ISO standard valve austenite steel |
ISO H20 |
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ISO NiCr20Ti |
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ISO H21 |
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ISO H22 |
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ISO NiCr22Mo9Nb |
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ISO X50CrSi8 2 |
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ISO X45CrSi9 3 |
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ISO X85CrMoV18 2 |
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ISO X55CrMnNiN20 8 |
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ISO X53CrMnNiN21 9 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | W(%) | N(%) | Other(%) |
---|---|---|---|---|---|---|---|---|---|
0.45-0.55 | Max 0.45 | 8.00-10.0 | Max 0.05 | Max 0.03 | 20.0-22.0 | 3.50-5.50 | 0.80-1.50 | 0.40-0.60 | Nb+Ta 1.80-2.50 |
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) |
---|---|---|---|---|---|---|
362 (≥) | 136 (≥) | 44 | 31 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 |
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 |
---|---|---|---|---|---|---|---|
43 | - | - | 0.41 | - | |||
982 | 977 | - | 33.3 | 222 | - | ||
346 | - | 23 | 12.2 | 443 | 234 |
Heat treated : 1126°C - 1838°C
Grade | Standard | Country | Application |
---|---|---|---|
X50CrMnNiNbN21-9 | DIN | Germany | Valve steel |
X50CrMnNiNbN21-9 | AFNOR | France | Valve Internal Combustion Engines steel (NF-EN 1009-1998) |
ISO X50CrMnNiNbN21 9 | ISO | ISO | ISO standard valve austenite steel |
EN X50CrMnNiNbN21-9 | EN | Euronorm | Euronorm Stainless Steel |
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