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S17700 Stainless Steel vs. SAE-AISI M33 Steel

Both S17700 stainless steel and SAE-AISI M33 steel are iron alloys. They have 78% 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 S17700 stainless steel and the bottom bar is SAE-AISI M33 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 76
78
Tensile Strength: Ultimate (UTS), MPa 1180 to 1650
810 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1440
1550
Melting Onset (Solidus), °C 1400
1500
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 15
20
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
32
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.8
7.7
Embodied Energy, MJ/kg 40
110
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 17
38
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 42 to 59
27 to 75
Strength to Weight: Bending, points 32 to 40
24 to 46
Thermal Diffusivity, mm2/s 4.1
5.5
Thermal Shock Resistance, points 39 to 54
25 to 68

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0.85 to 0.92
Chromium (Cr), % 16 to 18
3.5 to 4.0
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 70.5 to 76.8
71.4 to 76.3
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 0
9.0 to 10
Nickel (Ni), % 6.5 to 7.8
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.3 to 2.1
Vanadium (V), % 0
1.0 to 1.4

Comparable Variants