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S44700 Stainless Steel vs. S82012 Stainless Steel

Both S44700 stainless steel and S82012 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S44700 stainless steel and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
40
Fatigue Strength, MPa 300
480
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 17
27
Shear Modulus, GPa 82
78
Shear Strength, MPa 380
550
Tensile Strength: Ultimate (UTS), MPa 600
800
Tensile Strength: Yield (Proof), MPa 450
560

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1100
950
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 18
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.4
Embodied Energy, MJ/kg 49
35
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 42
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
290
Resilience: Unit (Modulus of Resilience), kJ/m3 480
790
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 20
25
Thermal Shock Resistance, points 19
23

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.050
Chromium (Cr), % 28 to 30
19 to 20.5
Copper (Cu), % 0 to 0.15
0 to 1.0
Iron (Fe), % 64.9 to 68.5
71.3 to 77.9
Manganese (Mn), % 0 to 0.3
2.0 to 4.0
Molybdenum (Mo), % 3.5 to 4.2
0.1 to 0.6
Nickel (Ni), % 0 to 0.15
0.8 to 1.5
Nitrogen (N), % 0 to 0.020
0.16 to 0.26
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.0050