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SAE-AISI M43 Steel vs. EN 1.4849 Stainless Steel

Both SAE-AISI M43 steel and EN 1.4849 stainless steel are iron alloys. They have 43% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M43 steel and the bottom bar is EN 1.4849 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 810 to 2290
480

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1550
1390
Melting Onset (Solidus), °C 1500
1340
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 19
12
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 33
42
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 8.5
7.1
Embodied Energy, MJ/kg 120
100
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 35
20
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 77
17
Strength to Weight: Bending, points 24 to 47
17
Thermal Diffusivity, mm2/s 5.3
3.2
Thermal Shock Resistance, points 25 to 71
11

Alloy Composition

Carbon (C), % 1.2 to 1.3
0.3 to 0.5
Chromium (Cr), % 3.5 to 4.3
18 to 21
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.8 to 76
32.6 to 43.5
Manganese (Mn), % 0.2 to 0.4
0 to 2.0
Molybdenum (Mo), % 7.5 to 8.5
0 to 0.5
Nickel (Ni), % 0 to 0.3
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.65
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0