High-Strength Steel
0102030405
CHEMICAL COMPOSITION
ERAUM |
% |
C |
Si |
Mn |
Cr |
Mo |
Ni |
P |
S |
Co |
Ti |
Al |
Cu |
N |
Fe |
M100 |
MIN |
- |
- |
4 |
19.5 |
- |
1 |
- |
- |
- |
- |
- |
- |
0.05 |
balance |
MAX |
0.03 |
1 |
6 |
21.5 |
0.06 |
3 |
- |
- |
- |
- |
- |
1 |
0.17 |
balance |
|
M250 |
MIN |
- |
- |
- |
|
4.6 |
17 |
- |
- |
7 |
0.3 |
0.05 |
- |
- |
- |
MAX |
0.03 |
0.1 |
0.1 |
0.5 |
5.2 |
19 |
0.01 |
0.01 |
8.5 |
0.5 |
0.15 |
0.5 |
- |
- |
|
M300 |
MIN |
- |
- |
|
|
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
MAX |
0.38 |
0.40 |
0.65 |
16.00 |
1.00 |
0.80 |
- |
- |
- |
- |
- |
- |
- |
- |
Physical Properties
Model |
M100 |
M250 |
M300 |
density |
7.9g/cm3 |
7.85g/cm3 |
7.85g/cm3 |
Modulus of elasticity |
28.2*103 |
- |
- |
resistivity |
259.0 ohm-cir-mil/ft(70.0℉) |
- |
- |
Product FEATURE
M100 Excellent ductility and toughness, high fracture toughness, excellent resistance to fatigue and stress corrosion cracking, high fatigue strength.
M250 Excellent ductility, high fracture toughness, good weldability, high strength and hardness.
M300 excellent corrosion resistance, excellent wear resistance and toughness, good thermal fatigue resistance, uniform material hardness, superior polishing performance, high surface accuracy.
Product application
M100 Aircraft landing gear outer cylinders, piston rods, drive cylinder machine piston rods, turbines.
M250 rocket motor cases, missile cases, high-speed rotors for uranium isotope centrifugal separators.
M300 for the production of chemically resistant plastic molds, especially suitable for thermoplastic corrosive plastics, for small molds, for transparent, mirrored products and molds.
