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EN 1.5113 Steel vs. ASTM A369 Grade FPA

Both EN 1.5113 steel and ASTM A369 grade FPA are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.5113 steel and the bottom bar is ASTM A369 grade FPA.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 270
110
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 18
27
Fatigue Strength, MPa 220 to 470
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 360 to 540
240
Tensile Strength: Ultimate (UTS), MPa 580 to 900
380
Tensile Strength: Yield (Proof), MPa 320 to 770
240

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 52
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 48
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 96
89
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 1570
150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 32
13
Strength to Weight: Bending, points 20 to 27
15
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 17 to 26
12

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.25
Iron (Fe), % 97 to 97.5
98.3 to 99.63
Manganese (Mn), % 1.6 to 1.8
0.27 to 0.93
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.9 to 1.1
0.1 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.035