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S15700 Stainless Steel vs. S44800 Stainless Steel

Both S15700 stainless steel and S44800 stainless steel are iron alloys. They have 85% 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 S15700 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 460
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 1.1 to 29
23
Fatigue Strength, MPa 370 to 770
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
82
Shear Strength, MPa 770 to 1070
370
Tensile Strength: Ultimate (UTS), MPa 1180 to 1890
590
Tensile Strength: Yield (Proof), MPa 500 to 1770
450

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 400
460
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.4
3.8
Embodied Energy, MJ/kg 47
52
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 23
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 270
120
Resilience: Unit (Modulus of Resilience), kJ/m3 640 to 4660
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42 to 67
21
Strength to Weight: Bending, points 32 to 43
20
Thermal Diffusivity, mm2/s 4.2
4.6
Thermal Shock Resistance, points 39 to 63
19

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.010
Chromium (Cr), % 14 to 16
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 69.6 to 76.8
62.6 to 66.5
Manganese (Mn), % 0 to 1.0
0 to 0.3
Molybdenum (Mo), % 2.0 to 3.0
3.5 to 4.2
Nickel (Ni), % 6.5 to 7.7
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020