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SAE-AISI M41 Steel vs. S17700 Stainless Steel

Both SAE-AISI M41 steel and S17700 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M41 steel and the bottom bar is S17700 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
76
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
1180 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1600
1440
Melting Onset (Solidus), °C 1550
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 33
13
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 9.1
2.8
Embodied Energy, MJ/kg 140
40
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 28
17
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 76
42 to 59
Strength to Weight: Bending, points 23 to 46
32 to 40
Thermal Diffusivity, mm2/s 6.0
4.1
Thermal Shock Resistance, points 25 to 71
39 to 54

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 1.1 to 1.2
0 to 0.090
Chromium (Cr), % 3.8 to 4.5
16 to 18
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
70.5 to 76.8
Manganese (Mn), % 0.2 to 0.6
0 to 1.0
Molybdenum (Mo), % 3.3 to 4.3
0
Nickel (Ni), % 0 to 0.3
6.5 to 7.8
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0

Comparable Variants