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EN 1.4516 Stainless Steel vs. ASTM A231 Spring Steel

Both EN 1.4516 stainless steel and ASTM A231 spring steel are iron alloys. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4516 stainless steel and the bottom bar is ASTM A231 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
14
Fatigue Strength, MPa 210
1000
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 350
1080
Tensile Strength: Ultimate (UTS), MPa 550
1790
Tensile Strength: Yield (Proof), MPa 320
1570

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 720
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
52
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.0
Embodied Energy, MJ/kg 28
28
Embodied Water, L/kg 97
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
64
Strength to Weight: Bending, points 19
42
Thermal Diffusivity, mm2/s 8.1
14
Thermal Shock Resistance, points 20
53

Alloy Composition

Carbon (C), % 0 to 0.080
0.48 to 0.53
Chromium (Cr), % 10.5 to 12.5
0.8 to 1.1
Iron (Fe), % 83.3 to 89
96.7 to 97.7
Manganese (Mn), % 0 to 1.5
0.7 to 0.9
Nickel (Ni), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0.050 to 0.35
0
Vanadium (V), % 0
0.15 to 0.3