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EN 1.6958 Steel vs. ASTM Grade LC2-1 Steel

Both EN 1.6958 steel and ASTM grade LC2-1 steel are iron alloys. Their average alloy composition is basically identical. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.6958 steel and the bottom bar is ASTM grade LC2-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
20
Fatigue Strength, MPa 700
430
Poisson's Ratio 0.29
0.29
Reduction in Area, % 56
34
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 1140
810
Tensile Strength: Yield (Proof), MPa 1070
630

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 450
450
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 47
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.9
Embodied Energy, MJ/kg 27
25
Embodied Water, L/kg 60
60

Common Calculations

PREN (Pitting Resistance) 2.9
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
150
Resilience: Unit (Modulus of Resilience), kJ/m3 3050
1040
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 40
29
Strength to Weight: Bending, points 31
25
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 39
24

Alloy Composition

Aluminum (Al), % 0.0050 to 0.050
0
Carbon (C), % 0.25 to 0.3
0 to 0.22
Chromium (Cr), % 1.2 to 1.7
1.4 to 1.9
Iron (Fe), % 92.6 to 94.5
92.5 to 95.3
Manganese (Mn), % 0.2 to 0.5
0.55 to 0.75
Molybdenum (Mo), % 0.35 to 0.55
0.3 to 0.6
Nickel (Ni), % 3.3 to 3.8
2.5 to 3.5
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.15 to 0.3
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.045
Vanadium (V), % 0 to 0.12
0