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AWS ER70S-A1 vs. EN 1.4855 Stainless Steel

Both AWS ER70S-A1 and EN 1.4855 stainless steel are iron alloys. They have 49% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ER70S-A1 and the bottom bar is EN 1.4855 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
4.6
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 590
500
Tensile Strength: Yield (Proof), MPa 450
250

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
14
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
34
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
5.9
Embodied Energy, MJ/kg 20
85
Embodied Water, L/kg 48
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
19
Resilience: Unit (Modulus of Resilience), kJ/m3 540
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 17
11

Alloy Composition

Carbon (C), % 0 to 0.12
0.3 to 0.5
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 96.1 to 99.3
42.6 to 51.9
Manganese (Mn), % 0 to 1.3
0 to 2.0
Molybdenum (Mo), % 0.4 to 0.65
0 to 0.5
Nickel (Ni), % 0 to 0.2
23 to 25
Niobium (Nb), % 0
0.8 to 1.8
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.3 to 0.7
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Residuals, % 0 to 0.5
0