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EN 1.4951 Stainless Steel vs. S32050 Stainless Steel

Both EN 1.4951 stainless steel and S32050 stainless steel are iron alloys. They have a moderately high 92% 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 1.4951 stainless steel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 38
46
Fatigue Strength, MPa 190
340
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
81
Shear Strength, MPa 430
540
Tensile Strength: Ultimate (UTS), MPa 630
770
Tensile Strength: Yield (Proof), MPa 220
370

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 25
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 4.3
6.0
Embodied Energy, MJ/kg 61
81
Embodied Water, L/kg 190
210

Common Calculations

PREN (Pitting Resistance) 26
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
290
Resilience: Unit (Modulus of Resilience), kJ/m3 130
330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 3.9
3.3
Thermal Shock Resistance, points 14
17

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.030
Chromium (Cr), % 24 to 26
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 49.1 to 57
43.1 to 51.8
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
6.0 to 6.6
Nickel (Ni), % 19 to 22
20 to 23
Nitrogen (N), % 0 to 0.1
0.21 to 0.32
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020