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ASTM A227 Spring Steel vs. EN 1.4516 Stainless Steel

Both ASTM A227 spring steel and EN 1.4516 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A227 spring steel and the bottom bar is EN 1.4516 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12
23
Fatigue Strength, MPa 900 to 1160
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 1030 to 1330
350
Tensile Strength: Ultimate (UTS), MPa 1720 to 2220
550
Tensile Strength: Yield (Proof), MPa 1430 to 1850
320

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
720
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
30
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 19
28
Embodied Water, L/kg 46
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 260
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 61 to 79
20
Strength to Weight: Bending, points 41 to 48
19
Thermal Diffusivity, mm2/s 14
8.1
Thermal Shock Resistance, points 55 to 71
20

Alloy Composition

Carbon (C), % 0.45 to 0.85
0 to 0.080
Chromium (Cr), % 0
10.5 to 12.5
Iron (Fe), % 97.4 to 99.1
83.3 to 89
Manganese (Mn), % 0.3 to 1.3
0 to 1.5
Nickel (Ni), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 0.7
Sulfur (S), % 0 to 0.050
0 to 0.015
Titanium (Ti), % 0
0.050 to 0.35