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AWS ER70S-A1 vs. S13800 Stainless Steel

Both AWS ER70S-A1 and S13800 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS ER70S-A1 and the bottom bar is S13800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
11 to 18
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 590
980 to 1730
Tensile Strength: Yield (Proof), MPa 450
660 to 1580

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
3.4
Embodied Energy, MJ/kg 20
46
Embodied Water, L/kg 48
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
150 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 540
1090 to 5490
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
35 to 61
Strength to Weight: Bending, points 20
28 to 41
Thermal Diffusivity, mm2/s 14
4.3
Thermal Shock Resistance, points 17
33 to 58

Alloy Composition

Aluminum (Al), % 0
0.9 to 1.4
Carbon (C), % 0 to 0.12
0 to 0.050
Chromium (Cr), % 0
12.3 to 13.2
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 96.1 to 99.3
73.6 to 77.3
Manganese (Mn), % 0 to 1.3
0 to 0.2
Molybdenum (Mo), % 0.4 to 0.65
2.0 to 3.0
Nickel (Ni), % 0 to 0.2
7.5 to 8.5
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0.3 to 0.7
0 to 0.1
Sulfur (S), % 0 to 0.025
0 to 0.0080
Residuals, % 0 to 0.5
0