NiCr20Ti | 2.4951 Material Datasheet
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| Material Number | Material Number (single) | Standard | Scope | Standard Status | Country | Predecessor | VDA 231-106 classification | |
|---|---|---|---|---|---|---|---|---|
| 2.4951 (DIN 17742 : 2020-12) | 2.4951 | DIN 17742 : 2020-12 | Supersedes DIN 17742 : 2002-09 | Valid | Germany | NiCr20Ti | 3.4 | 1) |
| 1) Remark: NiCr alloy for flame tubes in gas turbines and heat-resistant components. |
Chemical Composition
| Al [%] | C [%] | Co [%] | Cr [%] | Cu [%] | Fe [%] | Mn [%] | P [%] | S [%] | Si [%] | Ti [%] | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)2) |
| 1) Source: blur | |||||||||||
| 2) Remark: blur |
Mechanical Properties
| Semi-finished Product | Condition | Condition Number | Strength Abbrevation | Nominal Size [mm] | Area [mm²] | Temperature [°C] | Tensile Strength [MPa] | Yield Strength (0.2% offset) [MPa] | Yield Strength (1.0% offset) [MPa] | Elongation A100 [%] | Elongation A [%] | Hardness HB | HBW | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)5) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 4)5) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 6) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 6) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 6) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 6) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 7) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 8) |
| 1) Source: blur | |||||||||||||
| 2) Remark: blur | |||||||||||||
| 3) Source: blur | |||||||||||||
| 4) Source: blur | |||||||||||||
| 5) Remark: blur | |||||||||||||
| 6) Source: blur | |||||||||||||
| 7) Source: blur | |||||||||||||
| 8) 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] | Thermal Conductivity [W/(m*K)] | Specific Electrical Resistance [µΩm] | Mean Specific Heat Capacity [kJ/(kg*K)] | |
|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | 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) |
| blur | blur | blur | blur | blur | blur | blur | 3) |
| blur | blur | blur | blur | blur | blur | blur | 3) |
| blur | blur | blur | blur | blur | blur | blur | 3) |
| blur | blur | blur | blur | blur | blur | blur | 3) |
| blur | blur | blur | blur | blur | blur | blur | 3) |
| 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) Source: blur | |||||||
| 3) Source: blur |
Welding and Joining
| Procedure | Welding and Joining - Evaluation | Interpass Temperature [°C] | Added Materials | Information | |
|---|---|---|---|---|---|
| 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) |
| blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Creep Rupture Behaviour
| Temperature [°C] | Creep Tensile Strength at 10³ h [MPa] | Creep Tensile Strength at 10^4 h [MPa] | Creep Tensile Strength at 10^5 h [MPa] | |
|---|---|---|---|---|
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| 1) Source: blur |
Heat Treatment
| Heat Treatment | Temperature [°C] | Medium | |
|---|---|---|---|
| blur | blur | blur | 1) |
| 1) Source: blur |
Cross Reference
| Material Name | Country | Standard | |
|---|---|---|---|
| GH 3030 | China | GB/T 14992 | 1) |
| H30300 | China | GB/T 14992 | 1) |
| GH 3030 | China | GB/T 14994 | 1) |
| H30300 | China | GB/T 14994 | 1) |
| GH 3030 | China | GB/T 14995 | 1) |
| H30300 | China | GB/T 14995 | 1) |
| GH 3030 | China | GB/T 14996 | 1) |
| H30300 | China | GB/T 14996 | 1) |
| NiCr20Ti | Europe | EN 10095 | |
| 2 HR 504 | Great Britain | BS 3 HR 504 | 1) |
| HR 403 | Great Britain | BS 2 HR 403 | 1) |
| HR 5 | Great Britain | BS 2 HR 5 | 1) |
| NiCr20Ti | International | ISO 6207 | 2) |
| NiCr20Ti | International | ISO 6208 | 2) |
| NiCr20Ti | International | ISO 9721 | 2) |
| NiCr20Ti | International | ISO 9723 | 2) |
| NiCr20Ti | International | ISO 9722 | 2) |
| N06075 | USA | UNS | 2) |
| Nimonic 75 | USA | SAE J467 | 2) |
| NiCr20Ti | Germany | DIN 17750 | |
| NiCr20Ti | Germany | DIN 17751 | |
| NiCr20Ti | Germany | DIN 17752 | |
| NiCr20Ti | Germany | DIN 17753 | |
| 1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach | |||
| 2) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008 |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| Alloy 75 | BIBUS METALS AG, Fehraltorf |
| Alloy 75 | Faulenbach Schmiedetechnik GmbH, Wiehl |
| VDM Alloy 75 | VDM Metals GmbH, Werdohl |
| Nicrofer 7520 | VDM Metals GmbH, Werdohl |
Material Compliance
| REACh | RoHS |
|---|---|
| blur | blur |