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EN 1.4971 Stainless Steel vs. S41041 Stainless Steel

Both EN 1.4971 stainless steel and S41041 stainless steel are iron alloys. They have 44% 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 EN 1.4971 stainless steel and the bottom bar is S41041 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
240
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
17
Fatigue Strength, MPa 270
350
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 530
560
Tensile Strength: Ultimate (UTS), MPa 800
910
Tensile Strength: Yield (Proof), MPa 340
580

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 570
430
Maximum Temperature: Mechanical, °C 1100
740
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
29
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 70
8.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
2.2
Embodied Energy, MJ/kg 110
31
Embodied Water, L/kg 300
100

Common Calculations

PREN (Pitting Resistance) 38
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
140
Resilience: Unit (Modulus of Resilience), kJ/m3 280
860
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
32
Strength to Weight: Bending, points 23
27
Thermal Diffusivity, mm2/s 3.4
7.8
Thermal Shock Resistance, points 19
33

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.080 to 0.16
0.13 to 0.18
Chromium (Cr), % 20 to 22.5
11.5 to 13
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 37.1
84.5 to 87.8
Manganese (Mn), % 0 to 2.0
0.4 to 0.6
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.2
Nickel (Ni), % 19 to 21
0 to 0.5
Niobium (Nb), % 0.75 to 1.3
0.15 to 0.45
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0