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SAE-AISI M7 Steel vs. EN 1.4510 Stainless Steel

Both SAE-AISI M7 steel and EN 1.4510 stainless steel are iron alloys. They have 86% 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 SAE-AISI M7 steel and the bottom bar is EN 1.4510 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1560
1440
Melting Onset (Solidus), °C 1510
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 28
25
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 18
8.5
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 8.9
2.2
Embodied Energy, MJ/kg 130
32
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 35
17
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 76
18
Strength to Weight: Bending, points 23 to 47
18
Thermal Diffusivity, mm2/s 7.8
6.7
Thermal Shock Resistance, points 24 to 69
17

Alloy Composition

Carbon (C), % 1.0 to 1.1
0 to 0.050
Chromium (Cr), % 3.5 to 4.0
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 79.8 to 83.8
79.1 to 83.9
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 8.2 to 9.2
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.55
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.8 to 2.3
0