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S44627 Stainless Steel vs. AISI 316 Stainless Steel

Both S44627 stainless steel and AISI 316 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 35 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 AISI 316 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
160 to 360
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 24
8.0 to 55
Fatigue Strength, MPa 200
210 to 430
Poisson's Ratio 0.27
0.28
Reduction in Area, % 51
80
Rockwell B Hardness 79
80
Shear Modulus, GPa 80
78
Shear Strength, MPa 310
350 to 690
Tensile Strength: Ultimate (UTS), MPa 490
520 to 1180
Tensile Strength: Yield (Proof), MPa 300
230 to 850

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 470
410
Maximum Temperature: Mechanical, °C 1100
590
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 14
19
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.9
3.9
Embodied Energy, MJ/kg 41
53
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 30
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
85 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 220
130 to 1820
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
18 to 41
Strength to Weight: Bending, points 18
18 to 31
Thermal Diffusivity, mm2/s 4.6
4.1
Thermal Shock Resistance, points 16
11 to 26

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.080
Chromium (Cr), % 25 to 27.5
16 to 18
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 69.2 to 74.2
62 to 72
Manganese (Mn), % 0 to 0.4
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.5
2.0 to 3.0
Nickel (Ni), % 0 to 0.5
10 to 14
Niobium (Nb), % 0.050 to 0.2
0
Nitrogen (N), % 0 to 0.015
0 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030