Introduction
GS240 (EN 1.0455) is a carbon steel casting grade specified in EN 10293. The standard covers steel castings for general engineering uses and defines the applicable delivery conditions and engineering requirements. Casting process options include Investment Casting, Shell Molding Casting and Sand Casting, subject to the applicable specification and component requirements.
| Field | Value |
|---|---|
| Designation | GS240 (EN 1.0455) |
| Material Type | Carbon 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
Related Casting Products
Physical Properties
N/A
Chemical Composition
| Element | EN 10293Edition 2015 · wt.%Cast analysis | EN 10340Edition 2007 · wt.%Cast analysis |
|---|---|---|
| C | ≤ 0.23 | ≤ 0.23 |
| Si | ≤ 0.60 | ≤ 0.60 |
| Mn | ≤ 1.20 | ≤ 1.20 |
| P | ≤ 0.030 | ≤ 0.030 |
| S | ≤ 0.025 | ≤ 0.025 |
| Cr | ≤ 0.30[1] | ≤ 0.30[2] |
| Ni | ≤ 0.40[1] | ≤ 0.40[2] |
| Mo | ≤ 0.12[1] | ≤ 0.12[2] |
| Cu | ≤ 0.30[1] | ≤ 0.30[2] |
| V | ≤ 0.03[1] | ≤ 0.03[2] |
Notes
EN 10293 · Edition 2015
[1] Cr/Ni/Mo/Cu/V: Applies only where unspecified in unless otherwise agreed; no intentional addition except for finishing the heat.
EN 10340 · Edition 2007
[2] Cr/Ni/Mo/Cu/V: Cr + Mo + Ni + V + Cu ≤1.00 wt.%.
Heat Treatment
EN 10293–2015 · +N
| Step | Operation | Temperature | Cooling |
|---|---|---|---|
| 1 | : normalizing | 880–980 °C | air |
EN 10340–2007 · +N
| Step | Operation | Temperature | Cooling |
|---|---|---|---|
| 1 | : normalizing | 900–980 °C | air |
Mechanical Properties
| Property | EN 10293Edition 2015[1] | EN 10340Edition 2007[2] |
|---|---|---|
| Yield Strength (Rp0.2) | ≥ 240 MPa | ≥ 240 MPa |
| Tensile Strength | 450–600 MPa | 450–600 MPa |
| Elongation | ≥ 22 % | ≥ 22 % |
| Impact Energy | ≥ 31 J | ≥ 31 J |
Notes
EN 10293 · Edition 2015
[1] All properties in this column: wall thickness ≤ 100 mm; Test block of relevant thickness; maximum test-block wall thickness 150 mm; Room temperature; Properties apply to the casting up to the specified maximum wall thickness; above this, foreseeable lowering shall be agreed.
EN 10340 · Edition 2007
[2] All properties in this column: wall thickness ≤ 100 mm; Test block of relevant thickness; maximum thickness 150 mm; Room temperature; Yield and tensile strength also apply to the casting up to the maximum relevant wall thickness.
Welding Conditions
EN 10293–2015
| Requirement | Value |
|---|---|
| Preheat | 20–150 °C[1] |
| Interpass Temperature | ≤ 350 °C |
| Post-weld Heat Treatment | No post-weld heat treatment necessary |
EN 10340–2007
| Requirement | Value |
|---|---|
| Preheat | 20–150 °C[2] |
| Interpass Temperature | ≤ 350 °C |
| Post-weld Heat Treatment | No post-weld heat treatment necessary |
Notes
EN 10293 · Edition 2015
[1] Preheat: Preheat depends on casting geometry, thickness and climatic conditions.
EN 10340 · Edition 2007
[2] Preheat: Preheat depends on casting geometry, thickness and climatic conditions.
Applications
At the casting-family level, typical applications include machinery, automotive and railway components, agricultural equipment and mining equipment.
Last Updated: October 13, 2026