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EN 1.4938 Stainless Steel vs. SAE-AISI M36 Steel

Both EN 1.4938 stainless steel and SAE-AISI M36 steel are iron alloys. They have 80% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4938 stainless steel and the bottom bar is SAE-AISI M36 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 76
78
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
810 to 2190

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1460
1600
Melting Onset (Solidus), °C 1420
1550
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 30
19
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
38
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.3
9.5
Embodied Energy, MJ/kg 47
140
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 18
31
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 31 to 37
27 to 72
Strength to Weight: Bending, points 26 to 29
23 to 44
Thermal Diffusivity, mm2/s 8.1
5.1
Thermal Shock Resistance, points 30 to 35
25 to 68

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.8 to 0.9
Chromium (Cr), % 11 to 12.5
3.8 to 4.5
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 80.5 to 84.8
70.1 to 75.5
Manganese (Mn), % 0.4 to 0.9
0.15 to 0.4
Molybdenum (Mo), % 1.5 to 2.0
4.6 to 5.5
Nickel (Ni), % 2.0 to 3.0
0 to 0.3
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
5.5 to 6.5
Vanadium (V), % 0.25 to 0.4
1.8 to 2.3

Comparable Variants