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EN 1.4530 Stainless Steel vs. EN 1.4931 Steel

Both EN 1.4530 stainless steel and EN 1.4931 steel are iron alloys. They have 89% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.4530 stainless steel and the bottom bar is EN 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 1030 to 1370
810

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 790
600
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
14

Otherwise Unclassified Properties

Base Metal Price, % relative 15
8.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
2.9
Embodied Energy, MJ/kg 46
42
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 19
16
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 48
29
Strength to Weight: Bending, points 29 to 35
25
Thermal Shock Resistance, points 35 to 47
22

Alloy Composition

Aluminum (Al), % 0.6 to 0.8
0
Carbon (C), % 0 to 0.015
0.2 to 0.26
Chromium (Cr), % 11.5 to 12.5
11.3 to 12.2
Iron (Fe), % 74.4 to 77.3
83.2 to 86.8
Manganese (Mn), % 0 to 0.1
0.5 to 0.8
Molybdenum (Mo), % 1.9 to 2.2
1.0 to 1.2
Nickel (Ni), % 8.5 to 9.5
0 to 1.0
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.020
Titanium (Ti), % 0.28 to 0.37
0
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0.25 to 0.35