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EN 1.7365 Steel vs. ASTM Grade HC Steel

Both EN 1.7365 steel and ASTM grade HC steel are iron alloys. They have 74% of their average alloy composition in common. There are 30 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 EN 1.7365 steel and the bottom bar is ASTM grade HC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
6.0
Fatigue Strength, MPa 320
96
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 700
430
Tensile Strength: Yield (Proof), MPa 470
200

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 510
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
14
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.8
2.8
Embodied Energy, MJ/kg 24
40
Embodied Water, L/kg 70
170

Common Calculations

PREN (Pitting Resistance) 6.8
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
21
Resilience: Unit (Modulus of Resilience), kJ/m3 580
95
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 25
16
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 11
4.5
Thermal Shock Resistance, points 20
14

Alloy Composition

Carbon (C), % 0.12 to 0.19
0 to 0.5
Chromium (Cr), % 4.0 to 6.0
26 to 30
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.2 to 94.9
61.9 to 74
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
0 to 0.5
Nickel (Ni), % 0
0 to 4.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.040
Vanadium (V), % 0 to 0.050
0