High Strength Alloys For Manufacture of Bolts / NIMONIC 80A High Resistance Strip
High Strength Alloys For Manufacture of Bolts / NIMONIC 80A High Resistance Strip
Application:
Ships with diesel exhaust valve mainly made of wrought Nimonic 80A. Nimonic 80A has high heat resistance, high strength at high temperatures, deformation resistance, increasing the difficulty of forging suitable for the manufacture of bolts, combustion chamber exhaust valve.
Feature: To precipitation hardening of alloys, high temperature (up to 815 ° C) with excellent elongation properties.
Physical properties
>Density (g/cm3): 8.19
>Melting point (℃): 1320~1365
Description:
Chemical composition(%)
|
Grade |
% |
Ni |
Cr |
Fe |
Mn |
Si |
P |
S |
Al |
Ti |
C |
Co |
B |
Zr |
Cu |
|
Nimonic 80A |
Min. |
Bal. |
18 |
|
|
|
|
1.0 |
1.8 |
|
|
|
|||
|
Max. |
21 |
3.0 |
1.0 |
1.0 |
0.02 |
0.015 |
1.8 |
2.7 |
0.1 |
2.0 |
0.008 |
0.15 |
0.2 |
Mechanical properties
|
|
|
Yield Strength (Mpa) |
Tensile Strength (Mpa) |
Elongation, % |
Hardness, HB |
|
Nimonic 80A |
Solution treatment |
620 |
930 |
≤20 |
|
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