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SAE-AISI 4028 Steel vs. EN 1.4112 Stainless Steel

Both SAE-AISI 4028 steel and EN 1.4112 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4028 steel and the bottom bar is EN 1.4112 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 190
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 23
20
Fatigue Strength, MPa 180 to 330
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 310 to 380
470
Tensile Strength: Ultimate (UTS), MPa 490 to 630
750
Tensile Strength: Yield (Proof), MPa 260 to 520
430

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
910
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49
15
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
10
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.6
Embodied Energy, MJ/kg 19
37
Embodied Water, L/kg 47
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 95
130
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 720
480
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 22
27
Strength to Weight: Bending, points 18 to 21
24
Thermal Diffusivity, mm2/s 13
4.1
Thermal Shock Resistance, points 16 to 20
26

Alloy Composition

Carbon (C), % 0.25 to 0.3
0.85 to 1.0
Chromium (Cr), % 0
17 to 19
Iron (Fe), % 98.1 to 98.7
76.6 to 81.2
Manganese (Mn), % 0.7 to 0.9
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.3
0.9 to 1.3
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0.035 to 0.050
0 to 0.015
Vanadium (V), % 0
0.070 to 0.12