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EN 1.7715 Steel vs. ASTM A369 Grade FP2

Both EN 1.7715 steel and ASTM A369 grade FP2 are iron alloys. Their average alloy composition is basically identical. 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 EN 1.7715 steel and the bottom bar is ASTM A369 grade FP2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
20
Fatigue Strength, MPa 240
160
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 340
270
Tensile Strength: Ultimate (UTS), MPa 540
430
Tensile Strength: Yield (Proof), MPa 340
240

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
420
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
2.6
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.6
Embodied Energy, MJ/kg 30
20
Embodied Water, L/kg 52
50

Common Calculations

PREN (Pitting Resistance) 2.4
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
75
Resilience: Unit (Modulus of Resilience), kJ/m3 320
150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
15
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 16
13

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.1 to 0.15
0.1 to 0.2
Chromium (Cr), % 0.3 to 0.6
0.5 to 0.81
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.5 to 98.3
97.4 to 98.6
Manganese (Mn), % 0.4 to 0.7
0.3 to 0.61
Molybdenum (Mo), % 0.5 to 0.7
0.44 to 0.65
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0.1 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.025
Vanadium (V), % 0.22 to 0.28
0