Products
|15CrMoG Seamless Tubes for High Pressure Boiler|
For high-pressure boiler (working pressure 9.8MPa or more generally, the working temperature between 450℃-650℃) of heating surface tubes, header, economizer, superheater, reheater and so on.
15CrMoG Seamless Tubes for High Pressure Boiler description
Standard: GB 5310
15CrMoG steel under GB 5310 standard is seamless steel pipe and tube for high pressure boilers, steam boilers, and pipe lines.
Relative grades:
20G, 20MnG, 15MoG, 15CrMoG, 12Cr2MoG, 12Cr1MoVG. After consultation, can also supply other grades of steel.
Mechanical properties:
|
Grade |
Tensile strength(MPa) |
Yield strength(MPa) |
Elongation(%) |
|
|
Vertical |
Longitudinal |
|||
|
15CrMoG |
440-640 |
295 min. |
21 min. |
19 min. |
Chemical composition:
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
0.12-0.18 |
0.17-0.37 |
0.40-0.70 |
0.025 max. |
0.015 max. |
0.80-1.10 |
0.40-0.55 |
15CrMoG seamless tubes heat treatment: Normalizing and tempering
Normalizing temperature: 900 °C-960 °C
Tempering temperature: 680 °C-730 °C
Application: For high-pressure boiler (working pressure 9.8MPa or more generally, the working temperature between 450℃-650℃) of heating surface tubes, header, economizer, superheater, reheater and so on.
