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EN 10028:2 P265GH Boiler Plate Steel
The specification EN 10028:2 covers a range of non-alloy and alloy steels with specified elevated temperature properties intended for pressure purposes. EN 10028:2 P265GH is steel for pressure purposes (P) with minimum yield strength of 265 MPa (265). We are also stockists of EN 10028:3 plates manufactured and certified to:
o EN 10028:3 P355NL1
o EN 10028:3 P355NL2
o EN 10028:3 P355NH
o EN 10028:3 P275NH
Applications
- Boilers
- Calorifiers
- Columns
- Dished ends
- Filters
- Flanges and valves
- Heat exchangers
- Pipelines
- Pressure vessels
- Storage tanks
Properties
Chemical Requirements
(cast analysis, % by mass, maximum permitted unless indicated otherwise)
| C | Si | Mn | P | S | Cr | Cu | Mo | Ni |
|---|---|---|---|---|---|---|---|---|
| 0.25 max | 0.10 – 0.35 | 0.60 – 1.40 | 0.030 max | 0.030 max | 0.25 max | 0.30 max | 0.10 max | 0.30 max |
Tensile requirements
| Product thickness | Yield strength (MPA) minimum | Tensile strength (MPA) | Elongation A% minimum |
|---|---|---|---|
| up to 16mm | 265 | 410 – 530 | 22 |
| 16mm to 40mm | 255 | 410 – 530 | 22 |
| over 40mm to 60mm | 245 | 410 – 530 | 22 |
| over 60 to 100mm | 215 | 410 – 530 | 22 |
| over 100mm to 150mm | 200 | 400 – 530 | 22 |
| over 150mm to 250mm | 185 | 390 – 530 | 22 |
Impact energy values for the normalised condition.
| -20°C | 0°C | +20°C | |
|---|---|---|---|
| Transverse | 27J min | 34J min | 40J min |
Min. values for proof strength Rp0,2 (MPa) at elevated temperatures.
| Thickness | 50°C | 100°C | 150°C | 200°C | 250°C | 300°C | 350°C | 400°C |
|---|---|---|---|---|---|---|---|---|
| up to 16mm | 256 | 241 | 223 | 205 | 188 | 173 | 160 | 150 |
| 16mm to 40mm | 247 | 232 | 215 | 197 | 181 | 166 | 154 | 145 |
| over 40mm to 60mm | 237 | 223 | 206 | 190 | 174 | 160 | 148 | 139 |
| over 60mm to 100mm | 208 | 196 | 181 | 167 | 153 | 140 | 130 | 122 |
| over 100mm to 150mm | 193 | 182 | 169 | 155 | 142 | 130 | 121 | 114 |
