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AISI 304 Stainless Steel vs. AWS E70C-Ni2

Both AISI 304 stainless steel and AWS E70C-Ni2 are iron alloys. They have 74% of their average alloy composition in common. There are 27 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 AISI 304 stainless steel and the bottom bar is AWS E70C-Ni2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 8.0 to 43
27
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
560
Tensile Strength: Yield (Proof), MPa 230 to 860
450

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
52
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.6
Embodied Energy, MJ/kg 43
22
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
540
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 42
20
Strength to Weight: Bending, points 20 to 32
19
Thermal Diffusivity, mm2/s 4.2
14
Thermal Shock Resistance, points 12 to 25
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 66.5 to 74
94.1 to 98.3
Manganese (Mn), % 0 to 2.0
0 to 1.3
Nickel (Ni), % 8.0 to 10.5
1.8 to 2.8
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.9
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5