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EN 1.4034 Stainless Steel vs. SAE-AISI 5150 Steel

Both EN 1.4034 stainless steel and SAE-AISI 5150 steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4034 stainless steel and the bottom bar is SAE-AISI 5150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
21
Fatigue Strength, MPa 230 to 400
240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 420 to 540
360
Tensile Strength: Ultimate (UTS), MPa 690 to 900
580
Tensile Strength: Yield (Proof), MPa 390 to 730
350

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 770
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
49
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 27
19
Embodied Water, L/kg 100
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
110
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 32
20
Strength to Weight: Bending, points 22 to 27
20
Thermal Diffusivity, mm2/s 8.1
13
Thermal Shock Resistance, points 24 to 32
17

Alloy Composition

Carbon (C), % 0.43 to 0.5
0.48 to 0.53
Chromium (Cr), % 12.5 to 14.5
0.7 to 0.9
Iron (Fe), % 83 to 87.1
97.2 to 98
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040