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EN 1.4832 Stainless Steel vs. SAE-AISI M7 Steel

Both EN 1.4832 stainless steel and SAE-AISI M7 steel are iron alloys. They have 68% of their average alloy composition in common. There are 22 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 1.4832 stainless steel and the bottom bar is SAE-AISI M7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 510
760 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1400
1560
Melting Onset (Solidus), °C 1360
1510
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 14
28
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
18
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.6
8.9
Embodied Energy, MJ/kg 51
130
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 21
35
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
26 to 76
Strength to Weight: Bending, points 18
23 to 47
Thermal Diffusivity, mm2/s 3.7
7.8
Thermal Shock Resistance, points 12
24 to 69

Alloy Composition

Carbon (C), % 0.15 to 0.35
1.0 to 1.1
Chromium (Cr), % 19 to 21
3.5 to 4.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 58.6 to 67.4
79.8 to 83.8
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.5
8.2 to 9.2
Nickel (Ni), % 13 to 15
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0.5 to 2.5
0.2 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.8 to 2.3