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AISI 347 Stainless Steel vs. ASTM Grade LC4 Steel

Both AISI 347 stainless steel and ASTM grade LC4 steel are iron alloys. They have 75% 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 AISI 347 stainless steel and the bottom bar is ASTM grade LC4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 210
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 46
27
Fatigue Strength, MPa 220 to 270
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 610 to 690
570
Tensile Strength: Yield (Proof), MPa 240 to 350
310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 870
410
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
4.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.8
Embodied Energy, MJ/kg 52
24
Embodied Water, L/kg 150
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 220
130
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 310
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 25
20
Strength to Weight: Bending, points 20 to 22
19
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 13 to 15
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 64.1 to 74
93.4 to 95.5
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Nickel (Ni), % 9.0 to 13
4.0 to 5.0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.045