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EN 1.4513 Stainless Steel vs. EN 1.4581 Stainless Steel

Both EN 1.4513 stainless steel and EN 1.4581 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 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 1.4513 stainless steel and the bottom bar is EN 1.4581 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 26
28
Fatigue Strength, MPa 170
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 480
510
Tensile Strength: Yield (Proof), MPa 240
210

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 500
490
Maximum Temperature: Mechanical, °C 880
990
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
21
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.5
4.2
Embodied Energy, MJ/kg 35
59
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 21
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 6.8
3.9
Thermal Shock Resistance, points 17
12

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.070
Chromium (Cr), % 16 to 18
18 to 20
Iron (Fe), % 77.7 to 83.1
61.4 to 71
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.8 to 1.4
2.0 to 2.5
Nickel (Ni), % 0
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0