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ASTM A369 Grade FP12 vs. EN 1.8527 Steel

Both ASTM A369 grade FP12 and EN 1.8527 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 32 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 A369 grade FP12 and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
16
Fatigue Strength, MPa 170
520
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 300
550
Tensile Strength: Ultimate (UTS), MPa 470
900
Tensile Strength: Yield (Proof), MPa 250
800

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 430
490
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
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
4.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.7
Embodied Energy, MJ/kg 21
23
Embodied Water, L/kg 52
66

Common Calculations

PREN (Pitting Resistance) 2.8
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
140
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
32
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 14
26

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.040 to 0.12
Chromium (Cr), % 0.8 to 1.3
3.7 to 4.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 96.8 to 98.4
93.2 to 95.1
Manganese (Mn), % 0.3 to 0.61
0.85 to 1.2
Molybdenum (Mo), % 0.44 to 0.65
0.4 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035