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ASTM Grade HP Steel vs. EN 1.0031 Steel

Both ASTM grade HP steel and EN 1.0031 steel are iron alloys. They have a modest 37% 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 (5, 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 1.0031 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
89
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 5.1
28
Fatigue Strength, MPa 130
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 490
310
Tensile Strength: Yield (Proof), MPa 260
210

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1370
1470
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
53
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.8
1.4
Embodied Energy, MJ/kg 82
18
Embodied Water, L/kg 220
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
78
Resilience: Unit (Modulus of Resilience), kJ/m3 170
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
11
Strength to Weight: Bending, points 17
13
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 11
9.8

Alloy Composition

Carbon (C), % 0.35 to 0.75
0 to 0.1
Chromium (Cr), % 24 to 28
0
Iron (Fe), % 29.2 to 42.7
98.8 to 100
Manganese (Mn), % 0 to 2.0
0 to 0.7
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.5
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.045