304 Stainless Steel Alloy

304 Stainless Steel Alloy

304 Stainless Steel Alloy is similar to 302 Stainless Steel Alloy in terms of its corrosive, oxidation, and forming traits as well as its physical and mechanical abilities. 304 is a low carbon version of 302, or better known as 18-8. Its lower concentration of carbon makes it slightly weaker than 302 when in the annealed condition. 304 Stainless Steel Alloy has useful applications in welding because its reduced carbon footprint allows it to withstand some carbon precipitation (between 800-1500 degrees Fahrenheit), without the need for post-annealing assistance.
Stainless Steel 304L has less carbon versus the regular 304. The “L” in its name refers to the “low carbon content.” This alloy can be used in the welded form without being susceptible to intergranular corrosion. After the welding process, Stainless Steel 304L may require annealing due to the corrosive nature of the process.

Would you like to compare the Stainless Steel 300 Series Alloys? See our 300 series alloys application guide.

304 STAINLESS STEEL
NOMINAL DATA SHEET


CHEMICAL COMPOSITION
MECHANICAL PROPERTIES
(ANNEALED CONDITION)
Cr - 18-20
Ultimate Tensile Strength psi - 95,000
Ni - 8-10.50
0.2% Offset Yield Strength psi - 40,000
Mn - 2.00 max
Percent Elongation in 2 inches - 50
C - 0.08 max
Hardness Rockwell - B80
S - 0.030max  
Si - 1.00 max  
P - 0.045 max  


PHYSICAL PROPERTIES(ANNEALED CONDITION)
Modulus of Elasticity in tension psi - 28.0 x 10(******)
Density(lbs./cu.in) - 0.29
Electrical Resistivity at room temp.(microhm-cm) - 72
Mean Coefficient of Thermal Expansion
in./in./ F(32-212 F) - 9.6 x 10(-******)
(******) = to the 6
(-******) = to the minus 6

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304L STAINLESS STEEL
NOMINAL DATA SHEET


CHEMICAL COMPOSITION
MECHANICAL PROPERTIES
(ANNEALED CONDITION)
Cr - 18-20
Ultimate Tensile Strength psi - 90,000
Ni - 8-12
0.2% Offset Yield Strength psi - 40,000
Mn - 2.00 max
Percent Elongation in 2 inches - 50
C - 0.03 max
Hardness Rockwell - B80
S - 0.030max  
Si - 1.00 max  
P - 0.045 max  


PHYSICAL PROPERTIES(ANNEALED CONDITION)
Modulus of Elasticity in tension psi - 28.0 x 10(******)
Density(lbs./cu.in) - 0.29
Electrical Resistivity at room temp.(microhm-cm) - 72
Mean Coefficient of Thermal Expansion
in./in./ F(32-212 F) - 9.6 x 10(-******)
(******) = to the 6
(-******) = to the minus 6

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Available Sizes
   
COIL & FOIL
  
   
.001
  
 
.002
  
 
.003
  
 
.004
  
   
.005
  
 
.006
  
.007
  
.008
  
.010
  
.012
  
.0155
  
.020
  
.025
  
   
.025
  
       
       
       
       
       
       
       
       
       
       
       
       
       


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