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EN 1.4849 Stainless Steel vs. SAE-AISI 1042 Steel

Both EN 1.4849 stainless steel and SAE-AISI 1042 steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4849 stainless steel and the bottom bar is SAE-AISI 1042 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.5
14 to 18
Fatigue Strength, MPa 120
230 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 480
620 to 700
Tensile Strength: Yield (Proof), MPa 250
340 to 580

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1020
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
52
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 42
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.1
1.4
Embodied Energy, MJ/kg 100
18
Embodied Water, L/kg 200
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
87 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 160
320 to 900
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
22 to 25
Strength to Weight: Bending, points 17
21 to 22
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 11
20 to 22

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.4 to 0.47
Chromium (Cr), % 18 to 21
0
Iron (Fe), % 32.6 to 43.5
98.5 to 99
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 36 to 39
0
Niobium (Nb), % 1.2 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0
Sulfur (S), % 0 to 0.030
0 to 0.050