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SAE-AISI M30 Steel vs. SAE-AISI S1 Steel

Both SAE-AISI M30 steel and SAE-AISI S1 steel are iron alloys. They have 83% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M30 steel and the bottom bar is SAE-AISI S1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 800 to 2170
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1550
1500
Melting Onset (Solidus), °C 1500
1450
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 24
41
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
8.0
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 7.2
2.6
Embodied Energy, MJ/kg 100
37
Embodied Water, L/kg 120
56

Common Calculations

PREN (Pitting Resistance) 35
5.9
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 74
24 to 64
Strength to Weight: Bending, points 24 to 46
22 to 42
Thermal Diffusivity, mm2/s 6.6
11
Thermal Shock Resistance, points 25 to 67
21 to 56

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.4 to 0.55
Chromium (Cr), % 3.5 to 4.3
1.0 to 1.8
Cobalt (Co), % 4.5 to 5.5
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 75.2 to 80.9
91.6 to 96.7
Manganese (Mn), % 0.15 to 0.4
0.1 to 0.4
Molybdenum (Mo), % 7.8 to 9.0
0 to 0.5
Nickel (Ni), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0.15 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.3 to 2.3
1.5 to 3.0
Vanadium (V), % 1.0 to 1.4
0.15 to 0.3

Comparable Variants