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ASTM Grade HP Steel vs. EN 1.0038 Steel

Both ASTM grade HP steel and EN 1.0038 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 ASTM grade HP steel and the bottom bar is EN 1.0038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 5.1
23 to 25
Fatigue Strength, MPa 130
140 to 160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 490
380 to 430
Tensile Strength: Yield (Proof), MPa 260
200 to 220

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
49
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.8
1.4
Embodied Energy, MJ/kg 82
19
Embodied Water, L/kg 220
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
72 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 170
110 to 130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
13 to 15
Strength to Weight: Bending, points 17
15 to 16
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 11
12 to 13

Alloy Composition

Carbon (C), % 0.35 to 0.75
0 to 0.23
Chromium (Cr), % 24 to 28
0 to 0.3
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 29.2 to 42.7
97.1 to 100
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0 to 0.080
Nickel (Ni), % 33 to 37
0 to 0.3
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.5
0 to 0.55
Sulfur (S), % 0 to 0.040
0 to 0.045