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EN 1.5502 Steel vs. EN 1.0314 Steel

Both EN 1.5502 steel and EN 1.0314 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.5502 steel and the bottom bar is EN 1.0314 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
92 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 20
24 to 25
Fatigue Strength, MPa 190 to 290
140 to 220
Poisson's Ratio 0.29
0.29
Reduction in Area, % 62 to 76
78 to 86
Shear Modulus, GPa 73
73
Shear Strength, MPa 280 to 330
200 to 250
Tensile Strength: Ultimate (UTS), MPa 400 to 1380
320 to 400
Tensile Strength: Yield (Proof), MPa 270 to 440
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 210
68 to 87
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 520
95 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 49
11 to 14
Strength to Weight: Bending, points 15 to 35
13 to 15
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 12 to 40
10 to 13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.15 to 0.2
0 to 0.030
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98 to 99.249
99.365 to 99.78
Manganese (Mn), % 0.6 to 0.9
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.3
0 to 0.1
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants