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S44626 Stainless Steel vs. AISI 347H Stainless Steel

Both S44626 stainless steel and AISI 347H stainless steel are iron alloys. Both are furnished in the annealed condition. They have 88% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S44626 stainless steel and the bottom bar is AISI 347H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
39
Fatigue Strength, MPa 230
200
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 83
81
Shear Modulus, GPa 80
77
Shear Strength, MPa 340
400
Tensile Strength: Ultimate (UTS), MPa 540
580
Tensile Strength: Yield (Proof), MPa 350
230

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 560
480
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
3.6
Embodied Energy, MJ/kg 42
52
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 30
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 300
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 4.6
4.2
Thermal Shock Resistance, points 18
13

Alloy Composition

Carbon (C), % 0 to 0.060
0.040 to 0.1
Chromium (Cr), % 25 to 27
17 to 19
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 68.1 to 74.1
64.1 to 74
Manganese (Mn), % 0 to 0.75
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 0 to 0.5
9.0 to 13
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0