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EN 1.4872 Stainless Steel vs. SAE-AISI M34 Steel

Both EN 1.4872 stainless steel and SAE-AISI M34 steel are iron alloys. They have 63% 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 EN 1.4872 stainless steel and the bottom bar is SAE-AISI M34 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 79
77
Tensile Strength: Ultimate (UTS), MPa 950
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1390
1540
Melting Onset (Solidus), °C 1340
1500
Specific Heat Capacity, J/kg-K 490
450
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
32
Density, g/cm3 7.6
8.2
Embodied Carbon, kg CO2/kg material 3.3
9.5
Embodied Energy, MJ/kg 47
140
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 30
35
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 35
27 to 74
Strength to Weight: Bending, points 28
23 to 46
Thermal Diffusivity, mm2/s 3.9
6.7
Thermal Shock Resistance, points 21
25 to 67

Alloy Composition

Carbon (C), % 0.2 to 0.3
0.85 to 0.92
Chromium (Cr), % 24 to 26
3.5 to 4.0
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 54.2 to 61.6
71.3 to 76.5
Manganese (Mn), % 8.0 to 10
0.15 to 0.4
Molybdenum (Mo), % 0
7.8 to 9.2
Nickel (Ni), % 6.0 to 8.0
0 to 0.3
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.9 to 2.3