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EN 1.8515 Steel vs. EN 1.4434 Stainless Steel

Both EN 1.8515 steel and EN 1.4434 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.8515 steel and the bottom bar is EN 1.4434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
41
Fatigue Strength, MPa 580
270
Impact Strength: V-Notched Charpy, J 29
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
79
Shear Strength, MPa 680
450
Tensile Strength: Ultimate (UTS), MPa 1130
660
Tensile Strength: Yield (Proof), MPa 940
310

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 470
980
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
21
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.2
Embodied Energy, MJ/kg 22
57
Embodied Water, L/kg 60
160

Common Calculations

PREN (Pitting Resistance) 4.4
32
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 2310
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
23
Strength to Weight: Bending, points 31
21
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 33
15

Alloy Composition

Carbon (C), % 0.28 to 0.35
0 to 0.030
Chromium (Cr), % 2.8 to 3.3
16.5 to 19.5
Iron (Fe), % 94.7 to 96.5
59.2 to 69.9
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.3 to 0.5
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
10.5 to 14
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015