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ASTM Grade HC Steel vs. EN 1.6958 Steel

Both ASTM grade HC steel and EN 1.6958 steel are iron alloys. They have 72% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HC steel and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.0
16
Fatigue Strength, MPa 96
700
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 430
1140
Tensile Strength: Yield (Proof), MPa 200
1070

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
450
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
47
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 14
5.0
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 40
27
Embodied Water, L/kg 170
60

Common Calculations

PREN (Pitting Resistance) 29
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
180
Resilience: Unit (Modulus of Resilience), kJ/m3 95
3050
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 16
40
Strength to Weight: Bending, points 16
31
Thermal Diffusivity, mm2/s 4.5
13
Thermal Shock Resistance, points 14
39

Alloy Composition

Aluminum (Al), % 0
0.0050 to 0.050
Carbon (C), % 0 to 0.5
0.25 to 0.3
Chromium (Cr), % 26 to 30
1.2 to 1.7
Iron (Fe), % 61.9 to 74
92.6 to 94.5
Manganese (Mn), % 0 to 1.0
0.2 to 0.5
Molybdenum (Mo), % 0 to 0.5
0.35 to 0.55
Nickel (Ni), % 0 to 4.0
3.3 to 3.8
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
0.15 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.015
Vanadium (V), % 0
0 to 0.12