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EN 1.4841 Stainless Steel vs. S40930 Stainless Steel

Both EN 1.4841 stainless steel and S40930 stainless steel are iron alloys. They have 64% 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 1.4841 stainless steel and the bottom bar is S40930 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 32
23
Fatigue Strength, MPa 200
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 430
270
Tensile Strength: Ultimate (UTS), MPa 650
430
Tensile Strength: Yield (Proof), MPa 260
190

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 1150
710
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
8.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.3
Embodied Energy, MJ/kg 62
32
Embodied Water, L/kg 190
94

Common Calculations

PREN (Pitting Resistance) 26
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
80
Resilience: Unit (Modulus of Resilience), kJ/m3 170
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
16
Strength to Weight: Bending, points 21
16
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 24 to 26
10.5 to 11.7
Iron (Fe), % 47.1 to 55.5
84.7 to 89.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 19 to 22
0 to 0.5
Niobium (Nb), % 0
0.080 to 0.75
Nitrogen (N), % 0 to 0.1
0 to 0.030
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.5 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0
0.050 to 0.2