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S44627 Stainless Steel vs. S44626 Stainless Steel

Both S44627 stainless steel and S44626 stainless steel are iron alloys. Both are furnished in the annealed condition. Their average alloy composition is basically identical. 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 S44627 stainless steel and the bottom bar is S44626 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 24
23
Fatigue Strength, MPa 200
230
Poisson's Ratio 0.27
0.27
Rockwell B Hardness 79
83
Shear Modulus, GPa 80
80
Shear Strength, MPa 310
340
Tensile Strength: Ultimate (UTS), MPa 490
540
Tensile Strength: Yield (Proof), MPa 300
350

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 470
560
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.9
Embodied Energy, MJ/kg 41
42
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 30
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
300
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 4.6
4.6
Thermal Shock Resistance, points 16
18

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.060
Chromium (Cr), % 25 to 27.5
25 to 27
Copper (Cu), % 0 to 0.2
0 to 0.2
Iron (Fe), % 69.2 to 74.2
68.1 to 74.1
Manganese (Mn), % 0 to 0.4
0 to 0.75
Molybdenum (Mo), % 0.75 to 1.5
0.75 to 1.5
Nickel (Ni), % 0 to 0.5
0 to 0.5
Niobium (Nb), % 0.050 to 0.2
0
Nitrogen (N), % 0 to 0.015
0 to 0.040
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.020
Titanium (Ti), % 0
0.2 to 1.0