20MnMoNi4-5 | 1.6311 Material Datasheet
Unlock Exclusive Materials Data
Gain access to a wealth of materials data by joining our Materials Portal.
Register for Free or Upgrade for Full Access Best valueMaterial Description
| Material Number | Material Name | Material Number (single) | Standard | Scope | Standard Status | Country | Successor | VDA 231-106 classification | |
|---|---|---|---|---|---|---|---|---|---|
| 1.6311 (DIN EN 10250-3 : 1999-12) | 20MnMoNi4-5 | 1.6311 | DIN EN 10250-3 : 1999-12 | DIN EN 10250-3 : 1999-12 replaced by DIN EN 10250-3 : 2022-07 | Replaced | Germany | 20MnMoNi4-5 | 1.1.1 | 1) |
| 1) Remark: Alloyed, high-temperature heat-treatable high-grade steel for use as pressure vessel steel at increased temperatures. Application: turbine parts, high pressure tubes. |
Chemical Composition
| C [%] | Cr [%] | Mn [%] | Mo [%] | Ni [%] | P [%] | S [%] | Si [%] | Remainder | |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)2) |
| 1) Source: blur | |||||||||
| 2) Remark: blur |
Material Compliance
| REACh | RoHS |
|---|---|
| blur | blur |
Mechanical Properties
| Semi-finished Product | Condition | Nominal Size [mm] | Temperature [°C] | Specimen Direction | Tensile Strength [MPa] | Yield Strength [MPa] | Elongation A [%] | |
|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | 2) | |||
| 1) Source: blur | ||||||||
| 2) Source: blur |
Physical Properties
| Temperature [°C] | Density [g/cm³] | Young's Modulus [GPa] | Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] | Differential Coefficient of Thermal Expansion [10^-6*K^-1] | Thermal Conductivity [W/(m*K)] | Thermal Diffusivity [10^-6 m²/s] | Specific Electrical Resistance [µΩm] | Mean Specific Heat Capacity [kJ/(kg*K)] | True Specific Heat Capacity [kJ/(kg*K)] | |
|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | 1) | ||||
| blur | blur | blur | blur | blur | blur | 1) | ||||
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) | |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) | |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) | |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) | |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) | |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) | |
| 1) Source: blur |
Toughness Data (Impact)
| Semi-finished Product | Condition | Nominal Size [mm] | Temperature [°C] | Specimen Shape | Specimen Direction | Notch Impact Energy [J] | |
|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | blur | blur | blur | 3) |
| blur | blur | blur | blur | blur | blur | blur | 3) |
| blur | blur | blur | blur | blur | blur | blur | 3) |
| 1) Source: blur | |||||||
| 2) Remark: blur | |||||||
| 3) Source: blur |
Fracture Toughness
| Temperature [°C] | Plane-Strain Fracture Toughness KIc [MPa*m^½] | |
|---|---|---|
| blur | blur | 1) |
| 1) Source: blur |
Heat Treatment
| Heat Treatment | Step | Temperature [°C] | Medium | |
|---|---|---|---|---|
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | 1) | |
| 1) Source: blur | ||||
| 2) Remark: blur |
Cross Reference
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| 20MnMoNi4-5 | BGH Edelstahl Siegen GmbH |
| 20MnMoNi4-5 | voestalpine AG, Linz |
| 20MnMoNi4-5 | HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach |
| 20MnMoNi4-5 | Tata Steel, IJmuiden |
| 20MnMoNi4-5 | Rosswag GmbH, Pfinztal-Kleinsteinbach |
| 20MnMoNi4-5 | Salzgitter Mannesmann Stahlhandel GmbH, Düsseldorf |
Classification
| WIAM Material | Treatment | Semi-finished product | Dimension [mm] | Load type | Failure criteria | Rolling direction | Maximum stress [MPa] | Strain at maximum stress [%] | Source description |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur |
Density
| Temperature [°C] | Density [g/cm³] |
|---|---|
| blur | blur |
Linear-elastic
| Temperature [°C] | Young's modulus [GPa] | Bulk modulus [GPa] | Shear modulus [GPa] | Poisson's ratio |
|---|---|---|---|---|
| blur | blur | |||
| blur | blur | |||
| blur | blur | |||
| blur | blur | |||
| blur | blur | |||
| blur | blur | |||
| blur | blur | |||
| blur | blur | |||
| blur | blur | |||
| blur | blur |
Yield strength
| Temperature [°C] | 0.1% Proof strength [MPa] | 0.2% Proof strength [MPa] | Yield strength [MPa] |
|---|---|---|---|
| blur | blur | ||
| blur | blur | ||
| blur | blur | ||
| blur | blur | ||
| blur | blur | ||
| blur | blur | ||
| blur | blur | ||
| blur | blur |
Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
|---|---|
| blur | blur |
Alternating stress
| Temperature [°C] | Stress ratio | Mean stress [MPa] | Alternating stress [MPa] | Cycles |
|---|---|---|---|---|
| blur | blur | blur | blur | |
| blur | blur | blur | blur | |
| blur | blur | blur | blur |
Coefficient thermal expansion
| Related Temperature [°C] | Temperature [°C] | Coefficient thermal expansion [10^-6*K^-1] |
|---|---|---|
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
Specific heat
| Temperature [°C] | Specific heat [kJ/(kg*K)] |
|---|---|
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
Thermal conductivity
| Temperature [°C] | Thermal conductivity [W/(m*K)] |
|---|---|
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
Electrical resistivity
| Temperature [°C] | Specific electrical resistance [µΩm] |
|---|---|
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
Designation
| Designation | Material number | Source |
|---|---|---|
| blur | blur | blur |
| blur | blur | |
| blur | blur | |
| blur | blur | |
| blur | blur | |
| blur | blur | |
| blur | blur | |
| blur | blur | |
| blur | blur | |
| blur | blur | |
| blur | blur | |
| blur | blur | |
| blur | blur | |
| blur | blur |
Classification
| WIAM Material | Treatment | Semi-finished product | Dimension [mm] | Load type | Failure criteria | Rolling direction | Maximum stress [MPa] | Strain at maximum stress [%] | Source description |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur |
Yield strength
| Temperature [°C] | 0.1% Proof strength [MPa] | 0.2% Proof strength [MPa] | Yield strength [MPa] |
|---|---|---|---|
| blur | blur | ||
| blur | blur | ||
| blur | blur | ||
| blur | blur | ||
| blur | blur | ||
| blur | blur | ||
| blur | blur |
Classification
| WIAM Material | Treatment | Semi-finished product | Dimension [mm] | Load type | Failure criteria | Rolling direction | Maximum stress [MPa] | Strain at maximum stress [%] | Source description |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur |
Yield strength
| Temperature [°C] | 0.1% Proof strength [MPa] | 0.2% Proof strength [MPa] | Yield strength [MPa] |
|---|---|---|---|
| blur | blur | ||
| blur | blur | ||
| blur | blur | ||
| blur | blur | ||
| blur | blur | ||
| blur | blur | ||
| blur | blur |
Classification
| WIAM Material | Treatment | Semi-finished product | Dimension [mm] | Load type | Failure criteria | Rolling direction | Maximum stress [MPa] | Strain at maximum stress [%] | Source description |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur |
Yield strength
| Temperature [°C] | 0.1% Proof strength [MPa] | 0.2% Proof strength [MPa] | Yield strength [MPa] |
|---|---|---|---|
| blur | blur |
Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
|---|---|
| blur | blur |
Classification
| WIAM Material | Treatment | Semi-finished product | Dimension [mm] | Load type | Failure criteria | Rolling direction | Maximum stress [MPa] | Strain at maximum stress [%] | Source description |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur |
Yield strength
| Temperature [°C] | 0.1% Proof strength [MPa] | 0.2% Proof strength [MPa] | Yield strength [MPa] |
|---|---|---|---|
| blur | blur |
Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
|---|---|
| blur | blur |