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S40930 Stainless Steel vs. EN 1.0038 Steel

Both S40930 stainless steel and EN 1.0038 steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S40930 stainless steel and the bottom bar is EN 1.0038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
23 to 25
Fatigue Strength, MPa 130
140 to 160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 270
240 to 270
Tensile Strength: Ultimate (UTS), MPa 430
380 to 430
Tensile Strength: Yield (Proof), MPa 190
200 to 220

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 710
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
49
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.4
Embodied Energy, MJ/kg 32
19
Embodied Water, L/kg 94
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
72 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 94
110 to 130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16
13 to 15
Strength to Weight: Bending, points 16
15 to 16
Thermal Diffusivity, mm2/s 6.7
13
Thermal Shock Resistance, points 16
12 to 13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.23
Chromium (Cr), % 10.5 to 11.7
0 to 0.3
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 84.7 to 89.4
97.1 to 100
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 0 to 0.5
0 to 0.3
Niobium (Nb), % 0.080 to 0.75
0
Nitrogen (N), % 0 to 0.030
0 to 0.014
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.020
0 to 0.045
Titanium (Ti), % 0.050 to 0.2
0