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N08031 Stainless Steel vs. AWS E630

Both N08031 stainless steel and AWS E630 are iron alloys. They have 56% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is N08031 stainless steel and the bottom bar is AWS E630.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
8.0
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 730
1040

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 18
14

Otherwise Unclassified Properties

Base Metal Price, % relative 39
14
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 7.1
2.8
Embodied Energy, MJ/kg 96
40
Embodied Water, L/kg 240
140

Common Calculations

PREN (Pitting Resistance) 52
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
37
Strength to Weight: Bending, points 22
29
Thermal Diffusivity, mm2/s 3.1
4.5
Thermal Shock Resistance, points 14
28

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.050
Chromium (Cr), % 26 to 28
16 to 16.8
Copper (Cu), % 1.0 to 1.4
3.3 to 4.0
Iron (Fe), % 29 to 36.9
71.6 to 75.9
Manganese (Mn), % 0 to 2.0
0.25 to 0.75
Molybdenum (Mo), % 6.0 to 7.0
0 to 0.75
Nickel (Ni), % 30 to 32
4.5 to 5.0
Niobium (Nb), % 0
0.15 to 0.3
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030