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EN 1.4983 Stainless Steel vs. SAE-AISI 4140 Steel

Both EN 1.4983 stainless steel and SAE-AISI 4140 steel are iron alloys. They have 68% 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 EN 1.4983 stainless steel and the bottom bar is SAE-AISI 4140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200 to 310
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11 to 26
Fatigue Strength, MPa 200
360 to 650
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 430
410 to 660
Tensile Strength: Ultimate (UTS), MPa 630
690 to 1080
Tensile Strength: Yield (Proof), MPa 230
590 to 990

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
43
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.5
Embodied Energy, MJ/kg 56
20
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
74 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 140
920 to 2590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
25 to 38
Strength to Weight: Bending, points 21
22 to 30
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 14
20 to 32

Alloy Composition

Boron (B), % 0.0015 to 0.0060
0
Carbon (C), % 0.040 to 0.080
0.38 to 0.43
Chromium (Cr), % 16 to 18
0.8 to 1.1
Iron (Fe), % 61.8 to 69.6
96.8 to 97.8
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0.15 to 0.25
Nickel (Ni), % 12 to 14
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0.4 to 0.8
0