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Boiler sheet steel 10CrMo9-10 / 1.7380 / 10X2M According to its characteristics, boiler steel grade 10CrMo9-10 complies with European standards EN10028-2. Unalloyed and alloyed materials are supplied as flat products designed for high pressure, elevated temperature applications. The properties of steel are determined by the content of silicon, copper, nickel and molybdenum in it. At […]
According to its characteristics, boiler steel grade 10CrMo9-10 complies with European standards EN10028-2. Unalloyed and alloyed materials are supplied as flat products designed for high pressure, elevated temperature applications.
The properties of steel are determined by the content of silicon, copper, nickel and molybdenum in it. At the same time, their total share should not exceed 70%.
Special properties
Heat-resistant steel grades 10CrMo9-10 are characterized by minimum yield strength, ability to work at elevated temperatures, the level of which can reach 450 degrees.
Normalization of the structure occurs at a temperature of 890-950 degrees. Forging is carried out in the range from 1260 to 750 degrees.
The material has no restrictions on weldability. It is possible to use manual arc, automatic arc, performed under a flux and in a protective gas environment, and electroslag welding.
Applications
EN10028-2 is used in the production of various tanks, heat exchangers, boilers. At the same time, the affordable boiler price for the pipe, as well as for other elements made of this steel, provides it with considerable popularity.
Chemical composition of steel 10CrMo9-10
|
С |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Al |
Cu |
Fe |
|
0.08-0.14 |
<0.5 |
0.3-0.7 |
<0.025 |
<0 ,02 |
2.0-2.5 |
0.9-1.1 |
<0,3 |
0.04 |
<0,3 |
Other |
Mechanical properties of material 10CrMo9-10
| Nominal thickness, mm | <40 | 40-60 | |
| Yield strength, min, ReH , MPa | 280 | 270 | |
| Tensile strength (tensile strength), min., Rm, MPa | 480-630 | 480-630 | |
| Relative elongation, min., % | Longitudinal patterns | 22 | |
| Cross Patterns | 20 | ||
| Impact work KV at 20°C, min. J | Longitudinal swatches | 40 | |
| Cross patterns | 27 | ||
| Yield strength at 100°C, min, ReH, MPa | 249 | ||
| Yield strength at 150°C, min., ReH, MPa | 241 | ||
| Yield strength at 200°C, min, ReH, MPa | 234 | ||
| Yield strength at 250°C, min, ReH, MPa | 224 | ||
| Yield strength at tamper temperature 300°C, min., ReH, MPa | 219 | ||
| Yield strength at 350°C, min, ReH, MPa
td> |
212 | ||
| Yield strength at 400°C, min, ReH, MPa | 207 | ||
| Yield strength at 450°C, min, ReH, MPa | 193 | ||
| Yield strength at 500°C, min., ReH, MPa | 180 | ||
| Marki steel EN 10028 |
Steel grade DIN | Dimensions mm] | ||
| Thickness | Width | Length up to | ||
| 10CrMo9-10 | 1.7380 | 4 – 80 | 1000 – 2500 | 12 000 |
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