MakeItFrom.com
Menu (ESC)

EN 1.7703 Steel vs. ASTM Grade LC9 Steel

Both EN 1.7703 steel and ASTM grade LC9 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. 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 EN 1.7703 steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
22
Fatigue Strength, MPa 320 to 340
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 670 to 690
660
Tensile Strength: Yield (Proof), MPa 460 to 500
590

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 460
430
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
10

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
8.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.5
2.3
Embodied Energy, MJ/kg 35
31
Embodied Water, L/kg 61
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
920
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 19 to 20
20

Alloy Composition

Carbon (C), % 0.11 to 0.15
0 to 0.13
Chromium (Cr), % 2.0 to 2.5
0 to 0.5
Copper (Cu), % 0 to 0.2
0 to 0.3
Iron (Fe), % 94.6 to 96.4
87.4 to 91.5
Manganese (Mn), % 0.3 to 0.6
0 to 0.9
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.2
Nickel (Ni), % 0 to 0.25
8.5 to 10
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.45
Sulfur (S), % 0 to 0.0050
0 to 0.045
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.25 to 0.35
0 to 0.030