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S44626 Stainless Steel vs. AISI 304 Stainless Steel

Both S44626 stainless steel and AISI 304 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S44626 stainless steel and the bottom bar is AISI 304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170 to 360
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
8.0 to 43
Fatigue Strength, MPa 230
210 to 440
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 340
400 to 690
Tensile Strength: Ultimate (UTS), MPa 540
580 to 1180
Tensile Strength: Yield (Proof), MPa 350
230 to 860

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 560
420
Maximum Temperature: Mechanical, °C 1100
710
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
17

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
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 42
43
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 30
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
86 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 300
140 to 1870
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 19
21 to 42
Strength to Weight: Bending, points 19
20 to 32
Thermal Diffusivity, mm2/s 4.6
4.2
Thermal Shock Resistance, points 18
12 to 25

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 25 to 27
18 to 20
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 68.1 to 74.1
66.5 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
8.0 to 10.5
Nitrogen (N), % 0 to 0.040
0 to 0.1
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