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ASTM A369 Grade FP92 vs. EN 1.7729 Steel

Both ASTM A369 grade FP92 and EN 1.7729 steel are iron alloys. They have a moderately high 90% 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 FP92 and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
17
Fatigue Strength, MPa 330
500
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 440
560
Tensile Strength: Ultimate (UTS), MPa 710
910
Tensile Strength: Yield (Proof), MPa 490
750

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 590
430
Melting Completion (Liquidus), °C 1490
1470
Melting Onset (Solidus), °C 1450
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 40
49
Embodied Water, L/kg 89
59

Common Calculations

PREN (Pitting Resistance) 14
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
150
Resilience: Unit (Modulus of Resilience), kJ/m3 620
1500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
32
Strength to Weight: Bending, points 22
27
Thermal Diffusivity, mm2/s 6.9
11
Thermal Shock Resistance, points 19
27

Alloy Composition

Aluminum (Al), % 0 to 0.020
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0.0010 to 0.0060
0.0010 to 0.010
Carbon (C), % 0.070 to 0.13
0.17 to 0.23
Chromium (Cr), % 8.5 to 9.5
0.9 to 1.2
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 85.8 to 89.1
94.8 to 97
Manganese (Mn), % 0.3 to 0.6
0.35 to 0.75
Molybdenum (Mo), % 0.3 to 0.6
0.9 to 1.1
Nickel (Ni), % 0 to 0.4
0 to 0.2
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.010
0.070 to 0.15
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0.6 to 0.8
Zirconium (Zr), % 0 to 0.010
0