Introduction
G-NiCr50Nb is a nickel-chromium heat-resistant casting alloy covered by EN 10295. Casting production and service suitability must follow the applicable specification and component requirements. CQ-approved manufacturing options are Sand Casting and Investment Casting.
| Field | Value |
|---|---|
| Designation | G-NiCr50Nb (EN 2.4680) |
| Material Type | Nickel Alloy |
| Sub Type | Nickel-Chromium Alloy |
| Product Form | casting |
Manufacturing Process
Sand Casting
Investment Casting
Equivalent Grades
N/A
Similar Materials
N/A
Reference Standards
| Standard | Standard Title | Edition | Specification | Identifier |
|---|---|---|---|---|
| EN 10295 | Heat resistant steel castings | 2002 | G-NiCr50Nb | — |
Related Casting Products
Physical Properties
N/A
Chemical Composition
| Element | EN 10295Edition 2002 · wt.%Cast analysis |
|---|---|
| C | ≤ 0.10 |
| Si | ≤ 1.00 |
| Mn | ≤ 0.50 |
| P | ≤ 0.020 |
| S | ≤ 0.020 |
| Cr | 48.00–52.00 |
| Ni | balance |
| Fe | ≤ 1.00 |
| Mo | ≤ 0.50 |
| Co | ≤ 1.00[1] |
| W | ≤ 0.60[1] |
| Nb | 1.00–1.80 |
| Cu | ≤ 0.25[1] |
| N | ≤ 0.16 |
Notes
EN 10295 · Edition 2002
[1] Co/W/Cu: Unless otherwise agreed: limit for element unspecified in; no intentional addition except for finishing the heat.
Heat Treatment
NO HEAT TREATMENT
Mechanical Properties
| Property | EN 10295Edition 2002[1] |
|---|---|
| Yield Strength | ≥ 230 MPa |
| Tensile Strength | ≥ 540 MPa |
| Elongation | ≥ 8 % |
Notes
EN 10295 · Edition 2002
[1] All properties in this column: Room temperature
Welding Conditions
N/A
Applications
At the nickel-chromium heat-resistant casting-family level, typical applications include custom cast components for elevated-temperature industrial service; selection must account for the specified service environment.
Last Updated: October 13, 2026



