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ASTM A369 Grade FP12 vs. EN 1.6957 Steel

Both ASTM A369 grade FP12 and EN 1.6957 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 (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 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
18
Fatigue Strength, MPa 170
530
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300
570
Tensile Strength: Ultimate (UTS), MPa 470
930
Tensile Strength: Yield (Proof), MPa 250
780

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
450
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
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
2.1
Embodied Energy, MJ/kg 21
29
Embodied Water, L/kg 52
60

Common Calculations

PREN (Pitting Resistance) 2.8
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
160
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
33
Strength to Weight: Bending, points 17
27
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 14
27

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.22 to 0.32
Chromium (Cr), % 0.8 to 1.3
1.2 to 1.8
Iron (Fe), % 96.8 to 98.4
92.7 to 94.7
Manganese (Mn), % 0.3 to 0.61
0.15 to 0.4
Molybdenum (Mo), % 0.44 to 0.65
0.25 to 0.45
Nickel (Ni), % 0
3.4 to 4.0
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.15
Sulfur (S), % 0 to 0.025
0 to 0.0070
Vanadium (V), % 0
0.050 to 0.15