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S21800 Stainless Steel vs. AWS E310H

Both S21800 stainless steel and AWS E310H are iron alloys. They have 77% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is S21800 stainless steel and the bottom bar is AWS E310H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 40
11
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
79
Tensile Strength: Ultimate (UTS), MPa 740
690

Thermal Properties

Latent Heat of Fusion, J/g 340
300
Melting Completion (Liquidus), °C 1360
1400
Melting Onset (Solidus), °C 1310
1350
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Base Metal Price, % relative 15
26
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.6
Embodied Energy, MJ/kg 45
65
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 19
28
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 17
17

Alloy Composition

Carbon (C), % 0 to 0.1
0.35 to 0.45
Chromium (Cr), % 16 to 18
25 to 28
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 59.1 to 65.4
44.2 to 53.7
Manganese (Mn), % 7.0 to 9.0
1.0 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 8.0 to 9.0
20 to 22.5
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030