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SAE-AISI 6150 Steel vs. AWS ER70S-B2L

Both SAE-AISI 6150 steel and AWS ER70S-B2L are iron alloys. They have a very high 98% of their average alloy composition in common. There are 27 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 SAE-AISI 6150 steel and the bottom bar is AWS ER70S-B2L.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 23
22
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 630 to 1200
590
Tensile Strength: Yield (Proof), MPa 420 to 1160
450

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
40
Thermal Expansion, µm/m-K 12 to 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
3.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.6
Embodied Energy, MJ/kg 28
21
Embodied Water, L/kg 51
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3590
530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 43
21
Strength to Weight: Bending, points 21 to 32
20
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 20 to 38
17

Alloy Composition

Carbon (C), % 0.48 to 0.53
0 to 0.050
Chromium (Cr), % 0.8 to 1.1
1.2 to 1.5
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 96.7 to 97.7
95.3 to 97.6
Manganese (Mn), % 0.7 to 0.9
0.4 to 0.7
Molybdenum (Mo), % 0
0.4 to 0.65
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0.4 to 0.7
Sulfur (S), % 0 to 0.040
0 to 0.025
Vanadium (V), % 0.15 to 0.3
0
Residuals, % 0
0 to 0.5