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AWS BAg-21 vs. S38100 Stainless Steel

AWS BAg-21 belongs to the otherwise unclassified metals classification, while S38100 stainless steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-21 and the bottom bar is S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85
200
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 31
76
Tensile Strength: Ultimate (UTS), MPa 150
580

Thermal Properties

Latent Heat of Fusion, J/g 140
320
Melting Completion (Liquidus), °C 800
1400
Melting Onset (Solidus), °C 690
1350
Specific Heat Capacity, J/kg-K 280
480
Thermal Expansion, µm/m-K 19
16

Otherwise Unclassified Properties

Density, g/cm3 9.8
7.8
Embodied Energy, MJ/kg 970
54

Common Calculations

Stiffness to Weight: Axial, points 4.8
14
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 4.2
21
Strength to Weight: Bending, points 6.4
20
Thermal Shock Resistance, points 6.6
13

Alloy Composition


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Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 27.5 to 29.5
0
Iron (Fe), % 0
57.9 to 64
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 2.0 to 3.0
17.5 to 18.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
1.5 to 2.5
Silver (Ag), % 62 to 64
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 5.0 to 7.0
0
Residuals, % 0 to 0.15
0