Introduction
GX30CrSi7 is a heat-resistant alloy 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 | GX30CrSi7 (EN 1.4710) |
| Material Type | Alloy Steel |
| Sub Type | — |
| 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 | GX30CrSi7 | — |
Related Casting Products
Physical Properties
N/A
Chemical Composition
| Element | EN 10295Edition 2002 · wt.%Cast analysis |
|---|---|
| C | 0.20–0.35 |
| Si | 1.00–2.50 |
| Mn | 0.50–1.00 |
| P | ≤ 0.035 |
| S | ≤ 0.030 |
| Cr | 6.00–8.00 |
| Ni | ≤ 0.50 |
| Mo | ≤ 0.15 |
| Cu | ≤ 0.20[1] |
| Nb | ≤ 0.20[1] |
| V | ≤ 0.08[1] |
| W | ≤ 0.20[1] |
| Co | ≤ 0.50[1] |
Notes
EN 10295 · Edition 2002
[1] Cu/Nb/V/W/Co: Unless otherwise agreed: limit for element unspecified in; no intentional addition except for finishing the heat.
Heat Treatment
EN 10295–2002 · +A
| Step | Operation | Temperature |
|---|---|---|
| 1 | anneal | 800–850 °C |
Mechanical Properties
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