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AWS ER70S-A1 vs. S35500 Stainless Steel

Both AWS ER70S-A1 and S35500 stainless steel are iron alloys. They have 77% 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 S35500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
14
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 590
1330 to 1490
Tensile Strength: Yield (Proof), MPa 450
1200 to 1280

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
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
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.5
Embodied Energy, MJ/kg 20
47
Embodied Water, L/kg 48
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 540
3610 to 4100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
47 to 53
Strength to Weight: Bending, points 20
34 to 37
Thermal Diffusivity, mm2/s 14
4.4
Thermal Shock Resistance, points 17
44 to 49

Alloy Composition

Carbon (C), % 0 to 0.12
0.1 to 0.15
Chromium (Cr), % 0
15 to 16
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 96.1 to 99.3
73.2 to 77.7
Manganese (Mn), % 0 to 1.3
0.5 to 1.3
Molybdenum (Mo), % 0.4 to 0.65
2.5 to 3.2
Nickel (Ni), % 0 to 0.2
4.0 to 5.0
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.3 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Residuals, % 0 to 0.5
0