Introduction:
GH2036 high temperature alloy steel is a kind of solid solution
reinforced alloy steel with excellent high temperature strength,
oxidation resistance and creep resistance. Its maximum use
temperature can reach 700℃, with high lasting strength, tensile
strength and yield strength. In addition, GH2036 high temperature
alloy steel also has good plasticity and toughness, as well as good
cold and hot processing properties and welding properties.
Parameter:
The chemical composition of GH2036 high temperature alloy steel
mainly includes iron, chromium, nickel, molybdenum, cobalt and
other elements. Among them, iron is the main constituent element,
with a content of more than 70%. Chromium can improve the oxidation
resistance and corrosion resistance of alloy steel, and nickel can
enhance the strength and toughness of alloy steel. Molybdenum
element can further enhance the strength and corrosion resistance
of alloy steel, and improve the creep resistance of alloy steel.
Cobalt can improve the machinability and weldability of alloy
steel.
| Chemical Composition ( % ) |
| Brand | C | Si | Mn | S | P | Cr | Co | W | Mo | Ti | Al | Fe | Ni | other |
| Less than |
| GH2036 | 0.34-0.4 | 0.3~0.8 | 7.5-9.5 | 0.03 | 0.035 | 11.5~13.5 | — | — | 1.1~1.4 | ≤0.12 | — | rest | 7~9 | V:1.25-1.55
Nb:0.25-0.5 |
| The minimum mechanical properties of the alloy at room temperature |
| Brand | heat treatment | tensile strength
RmN/mm² | Yield strength
Rp0.2N/mm2 | Elongation
As% | Brinell hardness
HB | Rockwell hardness
HRC |
| GH2036 | solid solution + aging | 850 | 600 | 15 | — | |
| Density g/cm3 | magnetism | Thermal conductivity/w/(m.k)100~900°C | Electrical resistivity°C)/
(2.mm2/m)20~700°C | Specific Heat Capacity°C)/kg/(kg.k)
C100~9009C | Linear expansion coefficient/(10-
6/k)20~700°C |
| 7.85 | | 17.1629.31 | 0.736-1.127 | | 23.13 |
| Temperature /℃ | 20 | 300 | 400 | 500 | 800 |
Modulus of elasticity
E/GPa | 203 | 180 | 171 | 162 | 141 |
Characteristic:
- Good corrosion resistance: it can resist the erosion of corrosive
media such as acid, alkali and salt, and maintain the integrity and
stability of the material. This makes GH2036 wire an important role
in the chemical, petroleum and nuclear industries.
- Excellent high temperature stability: it can maintain the stability
and mechanical strength of the structure under extreme high
temperature conditions, and is not easy to deformation or failure.
This makes GH2036 a reliable choice for high temperature
environments.
- Excellent oxidation resistance: It can resist oxidation reactions
at high temperatures, reduce the surface oxidation and corrosion of
the material, thereby extending its service life. This oxidation
resistance is essential for equipment that operates for a long time
in a high temperature atmosphere.
Specific application areas:
Due to its excellent performance characteristics, GH2036 high
temperature alloy steel is widely used in aviation, aerospace,
energy and other fields. In aviation, it is used to make turbine
blades and other high-temperature components for aeroengines. In
the aerospace sector, it is used to make nozzles and other
high-temperature components for rocket engines. In the energy
sector, it is used to make fuel elements and other high-temperature
components for nuclear reactors. In addition, GH2036 high
temperature alloy steel can also be used to manufacture high
temperature components in industrial furnaces, chemical equipment
and other fields.
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Manufacturing process:
The manufacturing process of GH2036 high temperature alloy steel
mainly includes smelting, casting, forging, heat treatment and
other links. First of all, vacuum induction furnace or electroslag
furnace is used for smelting to ensure that the chemical
composition of alloy steel meets the requirements. Secondly, the
billet is formed by continuous casting process. Next, the billet is
forged and rolled to make its shape and size meet the requirements.
Finally, the finished product is heat treated, including solution
treatment and aging treatment, to further improve its mechanical
and physical properties.
