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EN 1.4872 Stainless Steel vs. S40945 Stainless Steel

Both EN 1.4872 stainless steel and S40945 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4872 stainless steel and the bottom bar is S40945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
25
Fatigue Strength, MPa 410
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 620
270
Tensile Strength: Ultimate (UTS), MPa 950
430
Tensile Strength: Yield (Proof), MPa 560
230

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1150
710
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
8.0
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.3
2.2
Embodied Energy, MJ/kg 47
31
Embodied Water, L/kg 180
94

Common Calculations

PREN (Pitting Resistance) 30
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
89
Resilience: Unit (Modulus of Resilience), kJ/m3 780
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
15
Strength to Weight: Bending, points 28
16
Thermal Diffusivity, mm2/s 3.9
6.9
Thermal Shock Resistance, points 21
15

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.030
Chromium (Cr), % 24 to 26
10.5 to 11.7
Iron (Fe), % 54.2 to 61.6
85.1 to 89.3
Manganese (Mn), % 8.0 to 10
0 to 1.0
Nickel (Ni), % 6.0 to 8.0
0 to 0.5
Niobium (Nb), % 0
0.18 to 0.4
Nitrogen (N), % 0.2 to 0.4
0 to 0.030
Phosphorus (P), % 0 to 0.045
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