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AISI 303 Stainless Steel vs. AWS BAg-1

AISI 303 stainless steel belongs to the iron alloys classification, while AWS BAg-1 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 303 stainless steel and the bottom bar is AWS BAg-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
75
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
28
Tensile Strength: Ultimate (UTS), MPa 600 to 690
170

Thermal Properties

Latent Heat of Fusion, J/g 290
110
Melting Completion (Liquidus), °C 1450
620
Melting Onset (Solidus), °C 1400
610
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 17
23

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.2
Embodied Carbon, kg CO2/kg material 3.0
44
Embodied Energy, MJ/kg 42
690

Common Calculations

Stiffness to Weight: Axial, points 14
4.6
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 21 to 25
5.1
Strength to Weight: Bending, points 20 to 22
7.4
Thermal Shock Resistance, points 13 to 15
7.0

Alloy Composition

Cadmium (Cd), % 0
23 to 25
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
14 to 16
Iron (Fe), % 67.3 to 74.9
0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10
0
Phosphorus (P), % 0 to 0.2
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
44 to 46
Sulfur (S), % 0.15 to 0.35
0
Zinc (Zn), % 0
14 to 18
Residuals, % 0
0 to 0.15