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SAE-AISI M34 Steel vs. EN 1.4565 Stainless Steel

Both SAE-AISI M34 steel and EN 1.4565 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M34 steel and the bottom bar is EN 1.4565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 800 to 2170
880

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1540
1420
Melting Onset (Solidus), °C 1500
1380
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 32
28
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 9.5
5.4
Embodied Energy, MJ/kg 140
74
Embodied Water, L/kg 150
210

Common Calculations

PREN (Pitting Resistance) 35
47
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 74
31
Strength to Weight: Bending, points 23 to 46
26
Thermal Diffusivity, mm2/s 6.7
3.2
Thermal Shock Resistance, points 25 to 67
21

Alloy Composition

Carbon (C), % 0.85 to 0.92
0 to 0.030
Chromium (Cr), % 3.5 to 4.0
24 to 26
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 71.3 to 76.5
41.2 to 50.7
Manganese (Mn), % 0.15 to 0.4
5.0 to 7.0
Molybdenum (Mo), % 7.8 to 9.2
4.0 to 5.0
Nickel (Ni), % 0 to 0.3
16 to 19
Niobium (Nb), % 0
0 to 0.15
Nitrogen (N), % 0
0.3 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.9 to 2.3
0