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EN 1.4542 Stainless Steel vs. SAE-AISI M43 Steel

Both EN 1.4542 stainless steel and SAE-AISI M43 steel are iron alloys. They have 79% 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 1.4542 stainless steel and the bottom bar is SAE-AISI M43 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
810 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1430
1550
Melting Onset (Solidus), °C 1380
1500
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 16
19
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
33
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.7
8.5
Embodied Energy, MJ/kg 39
120
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 17
35
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 52
27 to 77
Strength to Weight: Bending, points 26 to 37
24 to 47
Thermal Diffusivity, mm2/s 4.3
5.3
Thermal Shock Resistance, points 29 to 49
25 to 71

Alloy Composition

Carbon (C), % 0 to 0.070
1.2 to 1.3
Chromium (Cr), % 15 to 17
3.5 to 4.3
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 3.0 to 5.0
0 to 0.25
Iron (Fe), % 69.6 to 79
70.8 to 76
Manganese (Mn), % 0 to 1.5
0.2 to 0.4
Molybdenum (Mo), % 0 to 0.6
7.5 to 8.5
Nickel (Ni), % 3.0 to 5.0
0 to 0.3
Niobium (Nb), % 0 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.7
0.15 to 0.65
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
2.3 to 3.0
Vanadium (V), % 0
1.5 to 1.8