GX50NiCrCo20-20-20 (EN 1.4874) Austenitic Stainless Steel Casting Material
Austenitic Stainless Steel
Introduction
GX50NiCrCo20-20-20 is a heat-resistant austenitic stainless steel casting grade covered by EN 10295. CQ family-approved manufacturing options include Investment Casting, Shell Molding Casting and Sand Casting; process selection must suit the component and specification.
| Field | Value |
|---|---|
| Designation | GX50NiCrCo20-20-20 (EN 1.4874) |
| Material Type | Stainless Steel |
| Sub Type | Austenitic Stainless Steel |
| Product Form | casting |
Manufacturing Process
Investment Casting
Shell Molding Casting
Sand Casting
Equivalent Grades
N/A
Similar Materials
N/A
Reference Standards
| Standard | Standard Title | Edition | Specification | Identifier |
|---|---|---|---|---|
| EN 10295 | Heat resistant steel castings | 2002 | GX50NiCrCo20-20-20 | — |
Related Casting Products
Physical Properties
N/A
Chemical Composition
| Element | EN 10295Edition 2002 · wt.%Cast analysis |
|---|---|
| C | 0.35–0.65 |
| Si | ≤ 1.00 |
| Mn | ≤ 2.00 |
| P | ≤ 0.040 |
| S | ≤ 0.030 |
| Cr | 19.00–22.00 |
| Ni | 18.00–22.00 |
| Mo | 2.50–3.00 |
| Cu | ≤ 0.25[1] |
| Nb | 0.75–1.25 |
| V | ≤ 0.12[1] |
| W | 2.00–3.00 |
| Co | 18.50–22.00 |
Notes
EN 10295 · Edition 2002
[1] Cu/V: 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 | ≥ 320 MPa |
| Tensile Strength | ≥ 420 MPa |
| Elongation | ≥ 6 % |
Notes
EN 10295 · Edition 2002
[1] All properties in this column: Room temperature
Welding Conditions
N/A
Applications
At the heat-resistant steel casting-family level, typical applications include custom cast furnace components and industrial heat-treatment equipment. Component selection must follow the specified service atmosphere, temperature and applicable grade requirements.
Last Updated: October 13, 2026