Introduction
GP280GH is a carbon steel casting grade covered by EN 10213. Typical family applications include valve bodies, pump casings and fittings.
| Field | Value |
|---|---|
| Designation | GP280GH (EN 1.0625) |
| 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 | GP280GH | — |
Related Casting Products
Physical Properties
| Property | Value / Unit | Note | Source |
|---|---|---|---|
| Density | 7.8 kg/dm³ | Test at 20 °C | EN 10213 |
| Thermal Expansion | 12.8 ×10⁻⁶/K | Temperature range: 20–100 °C | EN 10213 |
| Thermal Expansion | 13.6 ×10⁻⁶/K | Temperature range: 20–300 °C | EN 10213 |
| Thermal Expansion | 14.5 ×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 | 0.18–0.25[1] |
| Si | ≤ 0.60 |
| Mn | 0.80–1.20[2] |
| P | ≤ 0.030 |
| S | ≤ 0.020[3] |
| Cr | ≤ 0.30[4] |
| Ni | ≤ 0.40[4] |
| Mo | ≤ 0.12[4] |
| Cu | ≤ 0.30[4] |
| V | ≤ 0.03[4] |
Notes
EN 10213 · Edition 2007+A1:2016
[1] C: For each 0.01 wt.% reduction below the specified maximum carbon content, manganese may increase by 0.04 wt.% up to 1.40 wt.%.
[2] Mn: For each 0.01 wt.% reduction in carbon below the maximum, manganese may increase by 0.04 wt.% up to 1.40 wt.%.
[3] S: For ruling thickness < 28 mm, sulfur up to 0.030 wt.% is permitted.
[4] 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
For carbon steel EN 10213 GP280GH, typical cast components in this material family include valve bodies, 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.
Need GP280GH Castings?
Contact us for casting and machining inquiries.
Email Us for a QuoteLast Updated: November 6, 2026