Stainless Steel 304 Properties and 304 type
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Type 304 and 304 L Stainless Steel304 Stainless Steel (SS) is an austenitic stainless steel with Face Centered Cubic (F.C.C.) atomic structure which provides numerous planes for the movement of dislocations. This inherent property, combined with the low level of interstitial elements (elements which lack the dislocation chain), gives this material high ductility, low yield stress and relatively high ultimate tensile strength.As steel is heated above critical temperature (approx. 1335 F) it undergoes a phase change, recrystallizing as austenite. Continued heating to approx. 1450 - 1500F assures complete conversion to austenite. The high chrome and nickel content of austenitic stainless steel suppresses the transformation on cooling to a ferrite/cementite, keeping the material fully austenite, as well as rendering it essentially non-magnetic in the annealed condition. This gives austenitic stainless steels excellent cryogenic properties, good high-temperature strength and oxidation resistance. Excellent corrosion resistance, non-magnetic properties and exceptionally high toughness at all temperatures make these steels suitable for a wide variety of applications. Physical Properties of 304 SS Wafers and Foils
Electrical Resistivity
Thermal Conductivity
Coefficient of Thermal Expansion
Magnetic Permeability
Hardness, Max.
MECHANICAL PROPERTIESTensile and Yield Strength
Modulus of Elasticity, Annealed: 29,000 KSI CHEMICAL PROPERTIESType 304 Stainless Steel Chemnistry % by Weight
Carbon Content
The lower carbon in Type 304 L has lower corrosion rate than the higher carbon type 304 alloy when exposed to formic acid, sulfuric acid and Sodium Hydroxide. Other related web pages:
Stainless Steel Surface Finish Data Return to Home Page: Stainless steel substrates, wafers and optics
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