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ASTM A369 Grade FP12 vs. EN 1.7335 Steel

Both ASTM A369 grade FP12 and EN 1.7335 steel 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 ASTM A369 grade FP12 and the bottom bar is EN 1.7335 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
21 to 22
Fatigue Strength, MPa 170
200 to 220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300
310 to 330
Tensile Strength: Ultimate (UTS), MPa 470
500 to 520
Tensile Strength: Yield (Proof), MPa 250
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
430
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.4

Otherwise Unclassified Properties

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

Common Calculations

PREN (Pitting Resistance) 2.8
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
91 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 160
210 to 260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.080 to 0.18
Chromium (Cr), % 0.8 to 1.3
0.7 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.8 to 98.4
96.4 to 98.4
Manganese (Mn), % 0.3 to 0.61
0.4 to 1.0
Molybdenum (Mo), % 0.44 to 0.65
0.4 to 0.6
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.010