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SAE-AISI 1042 Steel vs. EN 1.4805 Stainless Steel

Both SAE-AISI 1042 steel and EN 1.4805 stainless steel are iron alloys. They have 52% of their average alloy composition in common. 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 SAE-AISI 1042 steel and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 18
9.0
Fatigue Strength, MPa 230 to 370
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 620 to 700
490
Tensile Strength: Yield (Proof), MPa 340 to 580
250

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1000
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
14
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.7
Embodied Energy, MJ/kg 18
66
Embodied Water, L/kg 46
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 94
37
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 900
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 25
17
Strength to Weight: Bending, points 21 to 22
18
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 20 to 22
11

Alloy Composition

Carbon (C), % 0.4 to 0.47
0.2 to 0.5
Chromium (Cr), % 0
19 to 23
Iron (Fe), % 98.5 to 99
44.9 to 56.8
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
23 to 27
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0 to 0.050
0 to 0.030