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ASTM Grade HP Steel vs. EN 1.7117 Steel

Both ASTM grade HP steel and EN 1.7117 steel are iron alloys. They have 40% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 1.7117 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 490
660 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1370
1440
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
43
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.6
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.8
1.5
Embodied Energy, MJ/kg 82
21
Embodied Water, L/kg 220
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
24 to 69
Strength to Weight: Bending, points 17
22 to 44
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 11
20 to 58

Alloy Composition

Carbon (C), % 0.35 to 0.75
0.49 to 0.56
Chromium (Cr), % 24 to 28
0.7 to 1.0
Iron (Fe), % 29.2 to 42.7
95.2 to 96.4
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
0.5 to 0.7
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.5
1.2 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.025