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EN 1.4031 Stainless Steel vs. ASTM Grade LCC Steel

Both EN 1.4031 stainless steel and ASTM grade LCC steel are iron alloys. They have 86% of their average alloy composition in common. There are 29 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 EN 1.4031 stainless steel and the bottom bar is ASTM grade LCC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 13
25
Fatigue Strength, MPa 220 to 400
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 670 to 900
570
Tensile Strength: Yield (Proof), MPa 390 to 730
310

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 770
400
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
49
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.4
Embodied Energy, MJ/kg 27
18
Embodied Water, L/kg 100
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 94
120
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 32
20
Strength to Weight: Bending, points 22 to 27
20
Thermal Diffusivity, mm2/s 8.1
13
Thermal Shock Resistance, points 23 to 32
17

Alloy Composition

Carbon (C), % 0.36 to 0.42
0 to 0.25
Chromium (Cr), % 12.5 to 14.5
0
Iron (Fe), % 83 to 87.1
96.9 to 100
Manganese (Mn), % 0 to 1.0
0 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.045
Residuals, % 0
0 to 1.0