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ASTM Grade HE Steel vs. EN 1.7715 Steel

Both ASTM grade HE steel and EN 1.7715 steel are iron alloys. They have 62% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HE steel and the bottom bar is EN 1.7715 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 10
21
Fatigue Strength, MPa 160
240
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 670
540
Tensile Strength: Yield (Proof), MPa 310
340

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.9
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.5
2.2
Embodied Energy, MJ/kg 50
30
Embodied Water, L/kg 190
52

Common Calculations

PREN (Pitting Resistance) 29
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
99
Resilience: Unit (Modulus of Resilience), kJ/m3 240
320
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 3.6
11
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.2 to 0.5
0.1 to 0.15
Chromium (Cr), % 26 to 30
0.3 to 0.6
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 53.9 to 65.8
96.5 to 98.3
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.5
0.5 to 0.7
Nickel (Ni), % 8.0 to 11
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0.15 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.010
Vanadium (V), % 0
0.22 to 0.28