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SAE-AISI M34 Steel vs. S28200 Stainless Steel

Both SAE-AISI M34 steel and S28200 stainless steel are iron alloys. They have 67% 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 S28200 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 800 to 2170
870

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1540
1380
Melting Onset (Solidus), °C 1500
1330
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 32
12
Density, g/cm3 8.2
7.6
Embodied Carbon, kg CO2/kg material 9.5
2.8
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 35
29
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 27 to 74
32
Strength to Weight: Bending, points 23 to 46
27
Thermal Shock Resistance, points 25 to 67
17

Alloy Composition

Carbon (C), % 0.85 to 0.92
0 to 0.15
Chromium (Cr), % 3.5 to 4.0
17 to 19
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0.75 to 1.3
Iron (Fe), % 71.3 to 76.5
57.7 to 64.1
Manganese (Mn), % 0.15 to 0.4
17 to 19
Molybdenum (Mo), % 7.8 to 9.2
0.75 to 1.3
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.9 to 2.3
0