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ASTM A227 Spring Steel vs. EN 1.5113 Steel

Both ASTM A227 spring steel and EN 1.5113 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 30 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 ASTM A227 spring steel and the bottom bar is EN 1.5113 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 500 to 640
170 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12
11 to 18
Fatigue Strength, MPa 900 to 1160
220 to 470
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Shear Strength, MPa 1030 to 1330
360 to 540
Tensile Strength: Ultimate (UTS), MPa 1720 to 2220
580 to 900
Tensile Strength: Yield (Proof), MPa 1430 to 1850
320 to 770

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
52
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 46
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 260
91 to 96
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 61 to 79
21 to 32
Strength to Weight: Bending, points 41 to 48
20 to 27
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 55 to 71
17 to 26

Alloy Composition

Carbon (C), % 0.45 to 0.85
0 to 0.1
Iron (Fe), % 97.4 to 99.1
97 to 97.5
Manganese (Mn), % 0.3 to 1.3
1.6 to 1.8
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0.9 to 1.1
Sulfur (S), % 0 to 0.050
0 to 0.025