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ASTM A369 Grade FP11 vs. ASTM Grade HI Steel

Both ASTM A369 grade FP11 and ASTM grade HI steel are iron alloys. They have 56% of their average alloy composition in common. There are 31 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 FP11 and the bottom bar is ASTM grade HI steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
11
Fatigue Strength, MPa 160
150
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 470
550
Tensile Strength: Yield (Proof), MPa 240
270

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
23
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
4.1
Embodied Energy, MJ/kg 21
59
Embodied Water, L/kg 52
200

Common Calculations

PREN (Pitting Resistance) 3.0
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
52
Resilience: Unit (Modulus of Resilience), kJ/m3 150
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.2 to 0.5
Chromium (Cr), % 1.0 to 1.5
26 to 30
Iron (Fe), % 96.1 to 97.7
46.9 to 59.8
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.44 to 0.65
0 to 0.5
Nickel (Ni), % 0
14 to 18
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.5 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.040