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S21904 Stainless Steel vs. AWS BVPd-1

S21904 stainless steel belongs to the iron alloys classification, while AWS BVPd-1 belongs to the otherwise unclassified metals. There are 15 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 S21904 stainless steel and the bottom bar is AWS BVPd-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
150
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 78
56
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
240

Thermal Properties

Latent Heat of Fusion, J/g 290
200
Melting Completion (Liquidus), °C 1400
1240
Melting Onset (Solidus), °C 1350
1230
Specific Heat Capacity, J/kg-K 480
310
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Density, g/cm3 7.7
11

Common Calculations

Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
16
Strength to Weight: Axial, points 25 to 36
6.1
Strength to Weight: Bending, points 23 to 29
7.9
Thermal Shock Resistance, points 15 to 21
9.8

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.040
0 to 0.0050
Chromium (Cr), % 19 to 21.5
0
Cobalt (Co), % 0
33.9 to 36
Iron (Fe), % 59.5 to 67.4
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 8.0 to 10
0
Nickel (Ni), % 5.5 to 7.5
0 to 0.060
Nitrogen (N), % 0.15 to 0.4
0
Palladium (Pd), % 0
64 to 66
Phosphorus (P), % 0 to 0.045
0 to 0.0020
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.0010