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AWS E316H vs. S44725 Stainless Steel

Both AWS E316H and S44725 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 25 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 AWS E316H and the bottom bar is S44725 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
22
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
81
Tensile Strength: Ultimate (UTS), MPa 580
500

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 20
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.0
3.1
Embodied Energy, MJ/kg 55
44
Embodied Water, L/kg 160
170

Common Calculations

PREN (Pitting Resistance) 27
33
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 4.0
4.6
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.015
Chromium (Cr), % 17 to 20
25 to 28.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.6 to 69.5
67.6 to 73.5
Manganese (Mn), % 0.5 to 2.5
0 to 0.4
Molybdenum (Mo), % 2.0 to 3.0
1.5 to 2.5
Nickel (Ni), % 11 to 14
0 to 0.3
Niobium (Nb), % 0
0 to 0.26
Nitrogen (N), % 0
0 to 0.018
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.040
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.26