Introduction
GP240GH is a carbon steel casting grade covered by EN 10213. Typical applications include pressure-containing valve castings in industrial flow-control systems, including control-valve bodies and bellows-sealed globe-valve components.
| Field | Value |
|---|---|
| Designation | GP240GH (EN 1.0619) |
| Material Type | Carbon Steel |
| Sub Type | — |
| Product Form | casting |
Manufacturing Process
Investment Casting
Shell Molding Casting
Sand Casting
Equivalent Materials
N/A
Similar Materials
N/A
Reference Standards
| Standard | Standard Title | Edition | Specification | Identifier |
|---|---|---|---|---|
| EN 10213 | Steel castings for pressure purposes | 2007+A1:2016 | GP240GH | — |
Related Casting Products
Physical Properties
| Property | Value / Unit | Note | Source |
|---|---|---|---|
| Density | 7.8 kg/dm³ | Test at 20 °C | EN 10213 |
| Thermal Expansion | 12.6 ×10⁻⁶/K | Temperature range: 20–100 °C | EN 10213 |
| Thermal Expansion | 13.4 ×10⁻⁶/K | Temperature range: 20–300 °C | EN 10213 |
| Thermal Expansion | 14 ×10⁻⁶/K | Temperature range: 20–500 °C | EN 10213 |
| Thermal Conductivity | 45 W/(m·K) | Test at 50 °C | EN 10213 |
| Specific Heat | 460 J/(kg·K) | Test at 20 °C | EN 10213 |
| Magnetic Property | Magnetic | EN 10213 |
Chemical Composition
| Element | EN 10213Edition 2007+A1:2016 · wt.%Cast analysis |
|---|---|
| C | 0.18–0.23 |
| Si | ≤ 0.60 |
| Mn | 0.50–1.20 |
| P | ≤ 0.030 |
| S | ≤ 0.020[1] |
| Cr | ≤ 0.30[2] |
| Ni | ≤ 0.40[2] |
| Mo | ≤ 0.12[2] |
| Cu | ≤ 0.30[2] |
| V | ≤ 0.03[2] |
Notes
EN 10213 · Edition 2007+A1:2016
[1] S: For ruling thickness < 28 mm, sulfur up to 0.030 wt.% is permitted.
[2] Cr/Ni/Mo/Cu/V: Cr + Mo + Ni + V + Cu ≤ 1.00 wt.%.
Heat Treatment
EN 10213–2007+A1:2016 · +N
| Step | Operation | Temperature | Cooling |
|---|---|---|---|
| 1 | Informative: normalizing | 900–980 °C[1] | — |
EN 10213–2007+A1:2016 · +QT
Notes
EN 10213 · Edition 2007+A1:2016
[1] +N: Treatment temperatures are given for information; required delivery condition is specified separately.
[2] +QT: Treatment temperatures are given for information; required delivery condition is specified separately.
Mechanical Properties
Core Mechanical Properties
Conditions are not identical. Compare each stated condition and applicability separately.
Additional Mechanical Properties
Elevated-Temperature Properties
Conditions are not identical. Compare each stated condition and applicability separately.
Notes
EN 10213 · Edition 2007+A1:2016
[1] Yield Strength (Rp0.2)/Tensile Strength/Elongation/Impact Energy: wall thickness ≤ 100 mm; Properties verified on test blocks of thickness up to 150 mm; applicability to casting wall thickness as stated. Larger governing thickness requires agreement.; Room temperature
[2] Yield Strength (Rp0.2): Test at 100 °C; Verification of elevated-temperature yield values is subject to agreement at enquiry and order.
[3] Yield Strength (Rp0.2): Test at 200 °C; Verification of elevated-temperature yield values is subject to agreement at enquiry and order.
[4] Yield Strength (Rp0.2): Test at 300 °C; Verification of elevated-temperature yield values is subject to agreement at enquiry and order.
[5] Yield Strength (Rp0.2): Test at 400 °C; Verification of elevated-temperature yield values is subject to agreement at enquiry and order.
[6] Yield Strength (Rp0.2): Test at 450 °C; Verification of elevated-temperature yield values is subject to agreement at enquiry and order.
[7] Yield Strength (Rp0.2): Test at 500 °C; Verification of elevated-temperature yield values is subject to agreement at enquiry and order.
Welding Conditions
Notes
EN 10213 · Edition 2007+A1:2016
[1] Preheat: Production welding by the foundry; ferritic/martensitic guidance is informative.; Preheat temperature depends on casting geometry, thickness and climatic conditions.
[2] Interpass Temperature: Production welding by the foundry; ferritic/martensitic guidance is informative.
Applications
Carbon steel EN 10213 GP240GH is used for pressure-containing valve castings in industrial flow-control systems, including control-valve bodies and bellows-sealed globe-valve components. Other cast components used in this material family include pump casings and fittings. Applications include industrial process plants, heating circuits and power-generation equipment.
Service medium, temperature, material condition and the finished equipment design determine the permitted duty; the grade name alone is not an operating rating.
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