21 CrMoV 5 7 | 1.7709 Material Datasheet
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| Material Number | Material Number (single) | Standard | Range of Application | Standard Status | Country | Successor | Application temperature [°C] | |
|---|---|---|---|---|---|---|---|---|
| 1.7709 (DIN 17240 : 1976-07) | 1.7709 | DIN 17240 : 1976-07 | DIN 17240 : 1976-07 replaced by DIN EN 10269 : 2006-07 | Replaced | Germany | 21CrMoV5-7 | ≤ 540 | 1) |
| 1) Remark: High temperature steel for screws and bolts up to 540 °C. |
Chemical Composition
| C [%] | Cr [%] | Mn [%] | Mo [%] | P [%] | S [%] | Si [%] | V [%] | |
|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Mechanical Properties
| Semi-finished Product | Condition | Nominal Size [mm] | Temperature [°C] | Specimen Direction | Tensile Strength [MPa] | Yield Strength (0.2% offset) [MPa] | Elongation A [%] | Reduction of Area [%] | Hardness HB | HBW | |
|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | 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 | blur | 1) |
| blur | blur | blur | blur | 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 | blur | 1) |
| blur | blur | blur | blur | 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 | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | 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 | 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 | blur | 1) |
| blur | blur | blur | blur | 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 | blur | 1) |
| blur | blur | blur | blur | 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 | blur | 2) |
| blur | blur | blur | blur | 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 | blur | 2) |
| blur | blur | blur | blur | 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 | blur | 2) |
| 1) Source: blur | ||||||||||
| 2) Source: blur |
Relaxation Data
| Temperature [°C] | Residual Stress at 10³ h [MPa] | Residual Stress at 10^4 h [MPa] | Residual Stress at 3*10^4 h [MPa] | |
|---|---|---|---|---|
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| 1) Source: blur | ||||
| 2) Remark: blur |
Welding and Joining
| Procedure | Welding and Joining - Evaluation | Nominal Size [mm] | Preheating [°C] | Added Materials | Information | |
|---|---|---|---|---|---|---|
| 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) |
| blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | 2)3) |
| 1) Source: blur | |||||||
| 2) Source: blur | |||||||
| 3) Remark: blur |
Creep Rupture Behaviour
| Temperature [°C] | Creep Tensile Strength at 10^4 h [MPa] | Creep Tensile Strength at 3*10^4 h [MPa] | Creep Tensile Strength at 10^5 h [MPa] | 1% Creep Limit at 10^4 h [MPa] | 1% Creep Limit at 3*10^4 h [MPa] | 1% Creep Limit at 10^5 h [MPa] | |
|---|---|---|---|---|---|---|---|
| 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 | 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 | 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 | 1)2) |
| blur | blur | blur | blur | blur | blur | blur | 1)2) |
| 1) Source: blur | |||||||
| 2) Remark: blur |
Cross Reference
| Material Name | Country | Standard |
|---|---|---|
| 20 CDV 5.08 | France | NF A 35-558 |
| 25Ch1MF | Russia | GOST 20072 |
| 21 CrMoV 5 7 | International | ISO/TR 4956-84 |
| 21 CrMoV 5 7 S | Austria | M 3120 |
| 26H2MF | Poland | PN H-84024 |
| 21CrMoV5-7 | Germany | DIN EN 10269 |
| 21 CrMoV 5 7 | Germany | KTA 3201.1 |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| 1.7709 | Chr. Höver & Sohn GmbH & Co. KG, Lindlar |
| 21 CrMoV 5 7 | Hoesch Hohenlimburg GmbH, Hagen |
| 21 CrMoV 5 7 | Salzgitter Flachstahl GmbH, Salzgitter |
| 21 CrMoV 5 7 | ThyssenKrupp Steel Europe AG, Duisburg |
| 21 CrMoV 5 7 | voestalpine AG, Linz |
| 21 CrMoV 5 7 | Saarstahl AG, Völklingen |
| 21 CrMoV 5 7 | Dörrenberg Edelstahl GmbH, Engelskirchen |
| 21 CrMoV 5 7 | Chr. Höver & Sohn GmbH & Co KG, Lindlar |
| 21 CrMoV 5 7 | Hermann Stahlschmidt Stahlgesellschaft m. b. H., Willich |
| 21 CrMoV 5 7 | Haage Anagramm Technologien GmbH, Mülheim a. d. Ruhr |
| Klöckner 21 CrMoV 5 7 | Klöckner & Co SE, Duisburg |
| TEW 21 CrMoV 5 7 | Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten |
| TS 21 CrMoV 5 7 | ThyssenKrupp Schulte GmbH, Essen |
| V 350 | voestalpine BÖHLER Edelstahl GmbH & Co.KG, Kapfenberg |
Material Compliance
| REACh | RoHS |
|---|---|
| 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 |
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 | 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 |
| blur | blur | 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 |
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 |
Density
| Temperature [°C] | Density [g/cm³] |
|---|---|
| blur | blur |
Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
|---|---|
| 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 |
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 | 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 | 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 |
Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
|---|---|
| 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 | 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 |
| blur | blur | blur | blur |
| 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 |
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 | blur | blur | blur | blur | blur | blur |