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AISI 420 Stainless Steel vs. AWS BVAg-6b

AISI 420 stainless steel belongs to the iron alloys classification, while AWS BVAg-6b belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is AISI 420 stainless steel and the bottom bar is AWS BVAg-6b.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
93
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 76
35
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
180

Thermal Properties

Latent Heat of Fusion, J/g 280
160
Melting Completion (Liquidus), °C 1510
870
Melting Onset (Solidus), °C 1450
780
Specific Heat Capacity, J/kg-K 480
310
Thermal Expansion, µm/m-K 10
19

Otherwise Unclassified Properties

Density, g/cm3 7.7
9.7
Embodied Carbon, kg CO2/kg material 2.0
49
Embodied Energy, MJ/kg 28
770

Common Calculations

Stiffness to Weight: Axial, points 14
5.3
Stiffness to Weight: Bending, points 25
16
Strength to Weight: Axial, points 25 to 62
5.1
Strength to Weight: Bending, points 22 to 41
7.3
Thermal Shock Resistance, points 25 to 62
7.4

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0.15 to 0.4
0 to 0.0050
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
49 to 51
Iron (Fe), % 82.3 to 87.9
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.0020
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
49 to 51
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.0010