GX40NiCrNb45-35 (EN 1.4889) Austenitic Stainless Steel Casting Material
Austenitic Stainless Steel
Introduction
GX40NiCrNb45-35 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 | GX40NiCrNb45-35 (EN 1.4889) |
| 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 | GX40NiCrNb45-35 | — |
Related Casting Products
Physical Properties
N/A
Chemical Composition
| Element | EN 10295Edition 2002 · wt.%Cast analysis |
|---|---|
| C | 0.35–0.45 |
| Si | 1.50–2.00 |
| Mn | 1.00–1.50 |
| P | ≤ 0.040 |
| S | ≤ 0.030 |
| Cr | 32.50–37.50 |
| Ni | 42.00–46.00 |
| Cu | ≤ 0.25[1] |
| Nb | 1.50–2.00 |
| V | ≤ 0.12[1] |
| W | ≤ 0.60[1] |
| Co | ≤ 1.00[1] |
Notes
EN 10295 · Edition 2002
[1] Cu/V/W/Co: 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 | ≥ 240 MPa |
| Tensile Strength | ≥ 440 MPa |
| Elongation | ≥ 3 % |
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