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EN 1.4982 Stainless Steel vs. SAE-AISI M50 Steel

Both EN 1.4982 stainless steel and SAE-AISI M50 steel are iron alloys. They have 72% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4982 stainless steel and the bottom bar is SAE-AISI M50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 750
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
35
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
10

Otherwise Unclassified Properties

Base Metal Price, % relative 22
9.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.9
5.1
Embodied Energy, MJ/kg 71
74
Embodied Water, L/kg 150
83

Common Calculations

PREN (Pitting Resistance) 19
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
26 to 80
Strength to Weight: Bending, points 23
23 to 49
Thermal Diffusivity, mm2/s 3.4
9.7
Thermal Shock Resistance, points 17
21 to 66

Alloy Composition

Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
0.78 to 0.88
Chromium (Cr), % 14 to 16
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 61.8 to 69.7
87 to 90.4
Manganese (Mn), % 5.5 to 7.0
0.15 to 0.45
Molybdenum (Mo), % 0.8 to 1.2
3.9 to 4.8
Nickel (Ni), % 9.0 to 11
0 to 0.3
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.15 to 0.4
0.8 to 1.3