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EN 1.5502 Steel vs. ASTM Grade HP Steel

Both EN 1.5502 steel and ASTM grade HP 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 (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.5502 steel and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 20
5.1
Fatigue Strength, MPa 190 to 290
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 400 to 1380
490
Tensile Strength: Yield (Proof), MPa 270 to 440
260

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
12
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
34
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
5.8
Embodied Energy, MJ/kg 19
82
Embodied Water, L/kg 47
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 210
21
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 520
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 14 to 49
17
Strength to Weight: Bending, points 15 to 35
17
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 12 to 40
11

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.15 to 0.2
0.35 to 0.75
Chromium (Cr), % 0 to 0.3
24 to 28
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98 to 99.249
29.2 to 42.7
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
33 to 37
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.040