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EN 1.4951 Stainless Steel vs. S82441 Stainless Steel

Both EN 1.4951 stainless steel and S82441 stainless steel are iron alloys. They have 82% 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 1.4951 stainless steel and the bottom bar is S82441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
28
Fatigue Strength, MPa 190
400
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
79
Shear Strength, MPa 430
490
Tensile Strength: Ultimate (UTS), MPa 630
760
Tensile Strength: Yield (Proof), MPa 220
550

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1090
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 25
16
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.3
3.2
Embodied Energy, MJ/kg 61
45
Embodied Water, L/kg 190
170

Common Calculations

PREN (Pitting Resistance) 26
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
190
Resilience: Unit (Modulus of Resilience), kJ/m3 130
740
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 3.9
3.9
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.030
Chromium (Cr), % 24 to 26
23 to 25
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 49.1 to 57
62.6 to 70.2
Manganese (Mn), % 0 to 2.0
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 19 to 22
3.0 to 4.5
Nitrogen (N), % 0 to 0.1
0.2 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.0050