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AISI 329 Stainless Steel vs. AWS ER70S-B2L

Both AISI 329 stainless steel and AWS ER70S-B2L are iron alloys. They have 71% 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 AISI 329 stainless steel and the bottom bar is AWS ER70S-B2L.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
22
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 710
590
Tensile Strength: Yield (Proof), MPa 540
450

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
3.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.6
Embodied Energy, MJ/kg 44
21
Embodied Water, L/kg 170
54

Common Calculations

PREN (Pitting Resistance) 30
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 730
530
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 23 to 28
1.2 to 1.5
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 63.1 to 74
95.3 to 97.6
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 1.0 to 2.0
0.4 to 0.65
Nickel (Ni), % 2.0 to 5.0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.75
0.4 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.025
Residuals, % 0
0 to 0.5