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S82012 Stainless Steel vs. S44735 Stainless Steel

Both S82012 stainless steel and S44735 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 86% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S82012 stainless steel and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 40
21
Fatigue Strength, MPa 480
300
Poisson's Ratio 0.28
0.27
Rockwell C Hardness 27
22
Shear Modulus, GPa 78
82
Shear Strength, MPa 550
390
Tensile Strength: Ultimate (UTS), MPa 800
630
Tensile Strength: Yield (Proof), MPa 560
460

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 420
650
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
21
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
4.4
Embodied Energy, MJ/kg 35
61
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 24
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
120
Resilience: Unit (Modulus of Resilience), kJ/m3 790
520
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 29
23
Strength to Weight: Bending, points 25
21
Thermal Shock Resistance, points 23
20

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 19 to 20.5
28 to 30
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
60.7 to 68.4
Manganese (Mn), % 2.0 to 4.0
0 to 1.0
Molybdenum (Mo), % 0.1 to 0.6
3.6 to 4.2
Nickel (Ni), % 0.8 to 1.5
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0.16 to 0.26
0 to 0.045
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0