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S15500 Stainless Steel vs. S44700 Stainless Steel

Both S15500 stainless steel and S44700 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 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 S15500 stainless steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
200
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 6.8 to 16
23
Fatigue Strength, MPa 350 to 650
300
Poisson's Ratio 0.28
0.27
Reduction in Area, % 17 to 40
45
Rockwell C Hardness 27 to 46
17
Shear Modulus, GPa 75
82
Shear Strength, MPa 540 to 870
380
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
600
Tensile Strength: Yield (Proof), MPa 590 to 1310
450

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 820
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 39
49
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 15
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 53
21
Strength to Weight: Bending, points 26 to 37
20
Thermal Shock Resistance, points 30 to 50
19

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.010
Chromium (Cr), % 14 to 15.5
28 to 30
Copper (Cu), % 2.5 to 4.5
0 to 0.15
Iron (Fe), % 71.9 to 79.9
64.9 to 68.5
Manganese (Mn), % 0 to 1.0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 3.5 to 5.5
0 to 0.15
Niobium (Nb), % 0.15 to 0.45
0
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