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EN 1.4410 Stainless Steel vs. S40945 Stainless Steel

Both EN 1.4410 stainless steel and S40945 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4410 stainless steel and the bottom bar is S40945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
160
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 24
25
Fatigue Strength, MPa 410
160
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
75
Shear Strength, MPa 540
270
Tensile Strength: Ultimate (UTS), MPa 850
430
Tensile Strength: Yield (Proof), MPa 600
230

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
710
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
8.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.0
2.2
Embodied Energy, MJ/kg 56
31
Embodied Water, L/kg 180
94

Common Calculations

PREN (Pitting Resistance) 42
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
89
Resilience: Unit (Modulus of Resilience), kJ/m3 880
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
15
Strength to Weight: Bending, points 26
16
Thermal Diffusivity, mm2/s 4.0
6.9
Thermal Shock Resistance, points 23
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
10.5 to 11.7
Iron (Fe), % 58.1 to 66.8
85.1 to 89.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.5
0
Nickel (Ni), % 6.0 to 8.0
0 to 0.5
Niobium (Nb), % 0
0.18 to 0.4
Nitrogen (N), % 0.24 to 0.35
0 to 0.030
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.050 to 0.2