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SAE-AISI M36 Steel vs. EN 1.4971 Stainless Steel

Both SAE-AISI M36 steel and EN 1.4971 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M36 steel and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
81
Tensile Strength: Ultimate (UTS), MPa 810 to 2190
800

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1600
1460
Melting Onset (Solidus), °C 1550
1410
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 19
13
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 38
70
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 9.5
7.6
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 140
300

Common Calculations

PREN (Pitting Resistance) 31
38
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 27 to 72
26
Strength to Weight: Bending, points 23 to 44
23
Thermal Diffusivity, mm2/s 5.1
3.4
Thermal Shock Resistance, points 25 to 68
19

Alloy Composition

Carbon (C), % 0.8 to 0.9
0.080 to 0.16
Chromium (Cr), % 3.8 to 4.5
20 to 22.5
Cobalt (Co), % 7.8 to 8.8
18.5 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.1 to 75.5
24.3 to 37.1
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 4.6 to 5.5
2.5 to 3.5
Nickel (Ni), % 0 to 0.3
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 5.5 to 6.5
2.0 to 3.0
Vanadium (V), % 1.8 to 2.3
0