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AWS ER70S-A1 vs. S46500 Stainless Steel

Both AWS ER70S-A1 and S46500 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS ER70S-A1 and the bottom bar is S46500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
2.3 to 14
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 590
1260 to 1930
Tensile Strength: Yield (Proof), MPa 450
1120 to 1810

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 Expansion, µm/m-K 13
11

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
3.6
Embodied Energy, MJ/kg 20
51
Embodied Water, L/kg 48
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
43 to 210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
44 to 68
Strength to Weight: Bending, points 20
33 to 44
Thermal Shock Resistance, points 17
44 to 67

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.020
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 96.1 to 99.3
72.6 to 76.1
Manganese (Mn), % 0 to 1.3
0 to 0.25
Molybdenum (Mo), % 0.4 to 0.65
0.75 to 1.3
Nickel (Ni), % 0 to 0.2
10.7 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0.3 to 0.7
0 to 0.25
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
1.5 to 1.8
Residuals, % 0 to 0.5
0