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ASTM A369 Grade FP12 vs. EN 1.5508 Steel

Both ASTM A369 grade FP12 and EN 1.5508 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP12 and the bottom bar is EN 1.5508 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
11 to 20
Fatigue Strength, MPa 170
210 to 320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300
300 to 360
Tensile Strength: Ultimate (UTS), MPa 470
420 to 1460
Tensile Strength: Yield (Proof), MPa 250
310 to 490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 21
19
Embodied Water, L/kg 52
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 160
260 to 640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
15 to 52
Strength to Weight: Bending, points 17
16 to 36
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 14
12 to 43

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.050 to 0.15
0.2 to 0.25
Chromium (Cr), % 0.8 to 1.3
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 96.8 to 98.4
97.9 to 99.199
Manganese (Mn), % 0.3 to 0.61
0.6 to 0.9
Molybdenum (Mo), % 0.44 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025