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S31277 Stainless Steel vs. AWS E430Nb

Both S31277 stainless steel and AWS E430Nb are iron alloys. They have 59% of their average alloy composition in common. There are 21 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 S31277 stainless steel and the bottom bar is AWS E430Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
23
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 860
500

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Base Metal Price, % relative 36
15
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.7
3.1
Embodied Energy, MJ/kg 90
45
Embodied Water, L/kg 220
120

Common Calculations

PREN (Pitting Resistance) 51
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
18
Strength to Weight: Bending, points 25
18
Thermal Shock Resistance, points 19
13

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.1
Chromium (Cr), % 20.5 to 23
15 to 18
Copper (Cu), % 0.5 to 1.5
0 to 0.75
Iron (Fe), % 35.5 to 46.2
76.2 to 84.5
Manganese (Mn), % 0 to 3.0
0 to 1.0
Molybdenum (Mo), % 6.5 to 8.0
0 to 0.75
Nickel (Ni), % 26 to 28
0 to 0.6
Niobium (Nb), % 0
0.5 to 1.5
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030