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AWS ER70S-A1 vs. AISI 316N Stainless Steel

Both AWS ER70S-A1 and AISI 316N stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 27 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 AWS ER70S-A1 and the bottom bar is AISI 316N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
9.0 to 39
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 590
620 to 1160
Tensile Strength: Yield (Proof), MPa 450
270 to 870

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
3.9
Embodied Energy, MJ/kg 20
53
Embodied Water, L/kg 48
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
95 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 540
180 to 1880
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
22 to 41
Strength to Weight: Bending, points 20
20 to 31
Thermal Diffusivity, mm2/s 14
4.1
Thermal Shock Resistance, points 17
14 to 26

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 96.1 to 99.3
61.9 to 71.9
Manganese (Mn), % 0 to 1.3
0 to 2.0
Molybdenum (Mo), % 0.4 to 0.65
2.0 to 3.0
Nickel (Ni), % 0 to 0.2
10 to 14
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.3 to 0.7
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030
Residuals, % 0 to 0.5
0