In stainless steel chemical composition on the basis of adding different type and quantity of reinforcement element, the precipitation hardening process of different type and amount of carbide, nitride, carbon nitride and intermetallic compound, can not only improve the strength of the steel and keep sufficient toughness of high strength stainless steel, hereinafter referred to as PH steel.
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NAS632 Stainless Steel Chemical Composition | |||||||
Chemical Composition | C | Si | Mn | P | S | Cr | Ti |
Standard | ≤0.07 | ≤1.0 | ≤1.0 | ≤0.035 | ≤0.030 | 15.5~17.50 | 0.2+(C+N)~1.0 |
General | 0.008 | 0.18 | 0.2 | 0.020 | 0.001 | 17.50 | 0.3 |
Distinction | Mechanical Performance | |||
Ys(Mpa) | Ts(Mpa) | El(%) | Hv | |
Standard | ≥240 | ≥450 | ≥22 | - |
General | 550 | 430 | 32 | 150 |
Physical Performance | ||||
Density(h/cm3) | Magnetism | Specific Heat | Heat Conductivity | Rate of Thermal Expansion |
7.7 | Yes | 460 | 26.4 | 10.5 |
NAS632 Stainless Steel Characteristics:
high strength
corrosion resistance
oxidation resistance
good thermal processing performance
machinability is similar to martensitic stainless steel with the same hardness
NAS632 Stainless Steel Application：
Used in the manufacture of work under 400 ℃ high strength and corrosion resistance of the parts, such as the plane of the important bolts, pin fastener, engine parts, springs, and valve tool such as adding copper precipitation hardening steel. Used in manufacturing shaft and steam turbine components. Widely used in aviation, petroleum, chemical industry, textile, food, medical equipment and other departments require corrosion resistance of containers, components, tools and parts, etc.
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