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S20910 Stainless Steel vs. S44627 Stainless Steel

Both S20910 stainless steel and S44627 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is S44627 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 39
24
Fatigue Strength, MPa 310 to 460
200
Poisson's Ratio 0.28
0.27
Reduction in Area, % 56 to 62
51
Shear Modulus, GPa 79
80
Shear Strength, MPa 500 to 570
310
Tensile Strength: Ultimate (UTS), MPa 780 to 940
490
Tensile Strength: Yield (Proof), MPa 430 to 810
300

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
470
Maximum Temperature: Mechanical, °C 1080
1100
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.9
Embodied Energy, MJ/kg 68
41
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 34
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
100
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
220
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 33
18
Strength to Weight: Bending, points 24 to 27
18
Thermal Diffusivity, mm2/s 3.6
4.6
Thermal Shock Resistance, points 17 to 21
16

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.010
Chromium (Cr), % 20.5 to 23.5
25 to 27.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 52.1 to 62.1
69.2 to 74.2
Manganese (Mn), % 4.0 to 6.0
0 to 0.4
Molybdenum (Mo), % 1.5 to 3.0
0.75 to 1.5
Nickel (Ni), % 11.5 to 13.5
0 to 0.5
Niobium (Nb), % 0.1 to 0.3
0.050 to 0.2
Nitrogen (N), % 0.2 to 0.4
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0.1 to 0.3
0