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EN 1.4020 Stainless Steel vs. SAE-AISI 1030 Steel

Both EN 1.4020 stainless steel and SAE-AISI 1030 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 EN 1.4020 stainless steel and the bottom bar is SAE-AISI 1030 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 34
14 to 22
Fatigue Strength, MPa 340 to 540
210 to 320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 510 to 680
330 to 360
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
530 to 590
Tensile Strength: Yield (Proof), MPa 430 to 950
300 to 490

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
77 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
230 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 41
19 to 21
Strength to Weight: Bending, points 25 to 32
18 to 20
Thermal Shock Resistance, points 16 to 23
17 to 19

Alloy Composition

Carbon (C), % 0 to 0.15
0.28 to 0.34
Chromium (Cr), % 16.5 to 19
0
Iron (Fe), % 62.8 to 71.8
98.7 to 99.12
Manganese (Mn), % 11 to 14
0.6 to 0.9
Nickel (Ni), % 0.5 to 2.5
0
Nitrogen (N), % 0.2 to 0.45
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050