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AISI 304 Stainless Steel vs. AWS BVAg-8b

AISI 304 stainless steel belongs to the iron alloys classification, while AWS BVAg-8b belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

For each property being compared, the top bar is AISI 304 stainless steel and the bottom bar is AWS BVAg-8b.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
84
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 77
31
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
170

Thermal Properties

Latent Heat of Fusion, J/g 290
140
Melting Completion (Liquidus), °C 1450
800
Melting Onset (Solidus), °C 1400
780
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.7
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 21 to 42
4.7
Strength to Weight: Bending, points 20 to 32
6.8
Thermal Shock Resistance, points 12 to 25
7.6

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.080
0 to 0.0050
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
26.8 to 29.2
Iron (Fe), % 66.5 to 74
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10.5
0.3 to 0.7
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.0020
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
70.5 to 72.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.0010