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AWS BVPd-1 vs. S31727 Stainless Steel

AWS BVPd-1 belongs to the otherwise unclassified metals classification, while S31727 stainless steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is AWS BVPd-1 and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
200
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 56
78
Tensile Strength: Ultimate (UTS), MPa 240
630

Thermal Properties

Latent Heat of Fusion, J/g 200
290
Melting Completion (Liquidus), °C 1240
1440
Melting Onset (Solidus), °C 1230
1390
Specific Heat Capacity, J/kg-K 310
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Density, g/cm3 11
8.0

Common Calculations

Stiffness to Weight: Axial, points 7.7
14
Stiffness to Weight: Bending, points 16
24
Strength to Weight: Axial, points 6.1
22
Strength to Weight: Bending, points 7.9
20
Thermal Shock Resistance, points 9.8
14

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.030
Chromium (Cr), % 0
17.5 to 19
Cobalt (Co), % 33.9 to 36
0
Copper (Cu), % 0
2.8 to 4.0
Iron (Fe), % 0
53.7 to 61.3
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 0 to 0.060
14.5 to 16.5
Nitrogen (N), % 0
0.15 to 0.21
Palladium (Pd), % 64 to 66
0
Phosphorus (P), % 0 to 0.0020
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.0010
0