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EN 1.4412 Stainless Steel vs. S40930 Stainless Steel

Both EN 1.4412 stainless steel and S40930 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4412 stainless steel and the bottom bar is S40930 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
23
Fatigue Strength, MPa 190
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 490
430
Tensile Strength: Yield (Proof), MPa 230
190

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 420
460
Maximum Temperature: Mechanical, °C 1000
710
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
8.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
2.3
Embodied Energy, MJ/kg 56
32
Embodied Water, L/kg 160
94

Common Calculations

PREN (Pitting Resistance) 30
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
80
Resilience: Unit (Modulus of Resilience), kJ/m3 140
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
16
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 3.9
6.7
Thermal Shock Resistance, points 11
16

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 18 to 20
10.5 to 11.7
Iron (Fe), % 60.4 to 69
84.7 to 89.4
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 10 to 13
0 to 0.5
Niobium (Nb), % 0
0.080 to 0.75
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.050 to 0.2