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ASTM Grade HP Steel vs. EN 1.0456 Steel

Both ASTM grade HP steel and EN 1.0456 steel are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HP steel and the bottom bar is EN 1.0456 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 5.1
24 to 26
Fatigue Strength, MPa 130
210 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 490
420 to 450
Tensile Strength: Yield (Proof), MPa 260
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
48
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.2
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.8
1.5
Embodied Energy, MJ/kg 82
20
Embodied Water, L/kg 220
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
93 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 170
220 to 230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
15 to 16
Strength to Weight: Bending, points 17
16 to 17
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 11
13 to 14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.35 to 0.75
0 to 0.2
Chromium (Cr), % 24 to 28
0 to 0.3
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 29.2 to 42.7
96.7 to 99.48
Manganese (Mn), % 0 to 2.0
0.5 to 1.4
Molybdenum (Mo), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 33 to 37
0 to 0.3
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.030
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.050