X8CrNiMoVNb16-13 | 1.4988 Material Datasheet
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| Material Number | Material Name | Material Number (single) | Standard | Scope | Standard Status | Country | Predecessor | VDA 231-106 classification | Application temperature [°C] | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1.4988 (DIN EN 10216-5 : 2021-06) | X8CrNiMoVNb16-13 | 1.4988 | DIN EN 10216-5 : 2021-06 | Supersedes DIN EN 10216-5 : 2014-03 | Valid | Germany | X8CrNiMoVNb16-13 | 1.1.2 | 10 - 400 | 1) |
| 1) Remark: Seamless stainless austenitic steel tube for pressure purposes at higher temperatures. The steel is not resistant to intercrystalline corrosion. |
Chemical Composition
| C [%] | Cr [%] | Mn [%] | Mo [%] | N [%] | Nb [%] | Ni [%] | P [%] | S [%] | Si [%] | V [%] | Remainder | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | 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 | Yield Strength (0.2% offset) [MPa] | Yield Strength (1.0% offset) [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 | 1) | ||
| blur | blur | blur | blur | blur | blur | 1) | ||
| blur | blur | blur | blur | blur | blur | 1) | ||
| blur | blur | blur | blur | blur | blur | 1) | ||
| blur | blur | blur | blur | blur | blur | 1) | ||
| blur | blur | blur | blur | blur | blur | 1) | ||
| blur | blur | blur | blur | blur | blur | 1) | ||
| 1) Source: blur |
Physical Properties
| Temperature [°C] | Density [g/cm³] | Young's Modulus [GPa] | Shear Modulus [GPa] | Poisson's Ratio | 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 | 1) | |||||||||
| blur | blur | blur | 1) | |||||||||
| blur | blur | blur | 1) | |||||||||
| blur | blur | blur | 1) | |||||||||
| blur | blur | blur | 1) | |||||||||
| blur | blur | blur | 1) | |||||||||
| blur | blur | blur | blur | blur | blur | 2) | ||||||
| blur | blur | blur | blur | blur | blur | 2) | ||||||
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) | ||
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) | |||
| blur | blur | blur | blur | blur | blur | 2) | ||||||
| blur | blur | blur | blur | blur | blur | 2) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| blur | blur | blur | blur | blur | blur | 3)4) | ||||||
| 1) Source: blur | ||||||||||||
| 2) Source: blur | ||||||||||||
| 3) Source: blur | ||||||||||||
| 4) Remark: 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) |
| blur | blur | blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Creep Rupture Behaviour
| Condition | Temperature [°C] | Creep Tensile Strength at 10^4 h [MPa] | Creep Tensile Strength at 10^5 h [MPa] | Creep Tensile Strength at 2*10^5 h [MPa] | |
|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Heat Treatment
| Heat Treatment | Temperature [°C] | Medium | |
|---|---|---|---|
| blur | blur | blur | 1) |
| 1) Source: blur |
Producer/Supplier/Trade names
| Tradename | Supplier | |
|---|---|---|
| T250 | Enpar Sonderwerkstoffe GmbH, Gummersbach | 1) |
| DMV 4988 | Salzgitter Mannesmann Stainless Tubes GmbH, Mülheim an der Ruhr | 1) |
| T250 | Schoeller-Bleckmann Edelstahlrohr GmbH, Ternitz | 1) |
| 1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach |
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 |
| 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 | blur |
| 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 | |||
| 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 | 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 | |||
| 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 | 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 |
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 |
| 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 |
| 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 |
| 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 |
| blur | blur |
| blur | blur |
| blur | blur |
| 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 |
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 | ||
| blur | blur |