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Annealed S15700 Stainless Steel vs. Annealed S45500 Stainless Steel

Both annealed S15700 stainless steel and annealed S45500 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 93% 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 annealed S15700 stainless steel and the bottom bar is annealed S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
3.4
Fatigue Strength, MPa 370
570
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 770
790
Tensile Strength: Ultimate (UTS), MPa 1180
1370
Tensile Strength: Yield (Proof), MPa 500
1240

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 400
620
Maximum Temperature: Mechanical, °C 870
760
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
17
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.4
3.8
Embodied Energy, MJ/kg 47
57
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 23
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
45
Resilience: Unit (Modulus of Resilience), kJ/m3 640
4000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 42
48
Strength to Weight: Bending, points 32
35
Thermal Shock Resistance, points 39
48

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.050
Chromium (Cr), % 14 to 16
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 69.6 to 76.8
71.5 to 79.2
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.5
Nickel (Ni), % 6.5 to 7.7
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4