G26CrMo4 | 1.7221 Material Datasheet
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| Material Number | Material Name | Material Number (single) | Standard | Scope | Standard Status | Country | Predecessor | VDA 231-106 classification | |
|---|---|---|---|---|---|---|---|---|---|
| 1.7221 (SEW 685 : 2019-04) | G26CrMo4 | 1.7221 | SEW 685 : 2019-04 | Supersedes SEW 685 : 2000-03 | Valid | Germany | G26CrMo4 | 1.1.1 | 1) |
| 1) Remark: Cryogenic steel castings with specified low temperature properties. Application: e.g. industrial refrigeration |
Chemical Composition
| C [%] | Cr [%] | Mn [%] | Mo [%] | P [%] | S [%] | Si [%] | Remainder | |
|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Material Compliance
| REACh | RoHS |
|---|---|
| blur | blur |
Mechanical Properties
| Semi-finished Product | Condition | Nominal Size [mm] | Temperature [°C] | Tensile Strength [MPa] | Yield Strength (0.2% offset) [MPa] | Elongation A [%] | |
|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 3) | |||
| blur | blur | blur | blur | 3) | |||
| blur | blur | blur | blur | 3) | |||
| blur | blur | blur | blur | 3) | |||
| blur | blur | blur | blur | 3) | |||
| 1) Source: blur | |||||||
| 2) Remark: blur | |||||||
| 3) Source: blur |
Physical Properties
| Temperature [°C] | Density [g/cm³] | Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] | Thermal Conductivity [W/(m*K)] | |
|---|---|---|---|---|
| blur | blur | 1) | ||
| blur | blur | 1) | ||
| blur | blur | 1) | ||
| blur | blur | 1) | ||
| blur | blur | 1) | ||
| blur | blur | 1) | ||
| blur | blur | 1) | ||
| 1) Source: blur |
Toughness Data (Impact)
| Semi-finished Product | Condition | Nominal Size [mm] | Temperature [°C] | Specimen Shape | Notch Impact Energy [J] | |
|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | blur | blur | 1)3) |
| blur | blur | blur | blur | blur | blur | 1)3) |
| blur | blur | blur | blur | blur | blur | 1)3) |
| blur | blur | blur | blur | blur | blur | 1)3) |
| 1) Source: blur | ||||||
| 2) Remark: blur | ||||||
| 3) Remark: blur |
Welding and Joining
| Welding and Joining - Evaluation | Preheating [°C] | Added Materials | |
|---|---|---|---|
| blur | blur | blur | 1) |
| 1) Source: blur |
Heat Treatment
| Heat Treatment | Step | Temperature [°C] | Medium | |
|---|---|---|---|---|
| blur | blur | blur | blur | 1) |
| blur | blur | blur | 1) | |
| blur | blur | 2)3) | ||
| 1) Source: blur | ||||
| 2) Source: blur | ||||
| 3) Remark: blur |
Producer/Supplier/Trade names
| Tradename | Supplier | |
|---|---|---|
| G26CrMo4 | Albert Hoffmann GmbH, Eschweiler | 1) |
| G26CrMo4 | Bischoff Stahl- und Edelstahlguss GmbH, Lüdinghausen | |
| G26CrMo4 | Dörrenberg Edelstahl GmbH, Engelskirchen | 1) |
| G26CrMo4 | Reinhard Tweer GmbH, Bielefeld | |
| DUX G 7221 | SCHMOLZ + BICKENBACH GUSS GmbH, Krefeld | 1) |
| G26CrMo4 | Silbitz Group GmbH, Silbitz | |
| G26CrMo4 | voestalpine AG, Linz | 1) |
| 1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach |