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EN 1.4581 Stainless Steel vs. AWS BVPd-1

EN 1.4581 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 EN 1.4581 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 510
240

Thermal Properties

Latent Heat of Fusion, J/g 300
200
Melting Completion (Liquidus), °C 1440
1240
Melting Onset (Solidus), °C 1400
1230
Specific Heat Capacity, J/kg-K 470
310
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Density, g/cm3 7.8
11

Common Calculations

Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
16
Strength to Weight: Axial, points 18
6.1
Strength to Weight: Bending, points 18
7.9
Thermal Shock Resistance, points 12
9.8

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.070
0 to 0.0050
Chromium (Cr), % 18 to 20
0
Cobalt (Co), % 0
33.9 to 36
Iron (Fe), % 61.4 to 71
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 9.0 to 12
0 to 0.060
Niobium (Nb), % 0 to 1.0
0
Palladium (Pd), % 0
64 to 66
Phosphorus (P), % 0 to 0.040
0 to 0.0020
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.0010