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SAE-AISI M34 Steel vs. S30601 Stainless Steel

Both SAE-AISI M34 steel and S30601 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 20 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 M34 steel and the bottom bar is S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 800 to 2170
660

Thermal Properties

Latent Heat of Fusion, J/g 270
370
Melting Completion (Liquidus), °C 1540
1360
Melting Onset (Solidus), °C 1500
1310
Specific Heat Capacity, J/kg-K 450
500
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 32
20
Density, g/cm3 8.2
7.6
Embodied Carbon, kg CO2/kg material 9.5
3.9
Embodied Energy, MJ/kg 140
55
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 35
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 74
24
Strength to Weight: Bending, points 23 to 46
22
Thermal Shock Resistance, points 25 to 67
16

Alloy Composition

Carbon (C), % 0.85 to 0.92
0 to 0.015
Chromium (Cr), % 3.5 to 4.0
17 to 18
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0 to 0.35
Iron (Fe), % 71.3 to 76.5
56.9 to 60.5
Manganese (Mn), % 0.15 to 0.4
0.5 to 0.8
Molybdenum (Mo), % 7.8 to 9.2
0 to 0.2
Nickel (Ni), % 0 to 0.3
17 to 18
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
5.0 to 5.6
Sulfur (S), % 0 to 0.030
0 to 0.013
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.9 to 2.3
0