MakeItFrom.com
Menu (ESC)

SAE-AISI 1045 Steel vs. EN 1.4020 Stainless Steel

Both SAE-AISI 1045 steel and EN 1.4020 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1045 steel and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 18
13 to 34
Fatigue Strength, MPa 220 to 370
340 to 540
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 380 to 410
510 to 680
Tensile Strength: Ultimate (UTS), MPa 620 to 680
770 to 1130
Tensile Strength: Yield (Proof), MPa 330 to 580
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
890
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.4
2.5
Embodied Energy, MJ/kg 18
37
Embodied Water, L/kg 46
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 93
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 900
460 to 2290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 24
28 to 41
Strength to Weight: Bending, points 21 to 22
25 to 32
Thermal Shock Resistance, points 20 to 22
16 to 23

Alloy Composition

Carbon (C), % 0.43 to 0.5
0 to 0.15
Chromium (Cr), % 0
16.5 to 19
Iron (Fe), % 98.5 to 99
62.8 to 71.8
Manganese (Mn), % 0.6 to 0.9
11 to 14
Nickel (Ni), % 0
0.5 to 2.5
Nitrogen (N), % 0
0.2 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030