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S39274 Stainless Steel vs. S45500 Stainless Steel

Both S39274 stainless steel and S45500 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 30 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 S39274 stainless steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
3.4 to 11
Fatigue Strength, MPa 380
570 to 890
Poisson's Ratio 0.27
0.28
Reduction in Area, % 34
34 to 45
Rockwell C Hardness 28
32 to 54
Shear Modulus, GPa 81
75
Shear Strength, MPa 560
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 900
1370 to 1850
Tensile Strength: Yield (Proof), MPa 620
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
620
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
17
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.3
3.8
Embodied Energy, MJ/kg 60
57
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 43
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
45 to 190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
48 to 65
Strength to Weight: Bending, points 26
35 to 42
Thermal Shock Resistance, points 25
48 to 64

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 24 to 26
11 to 12.5
Copper (Cu), % 0.2 to 0.8
1.5 to 2.5
Iron (Fe), % 57 to 65.6
71.5 to 79.2
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.5
Nickel (Ni), % 6.0 to 8.0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4
Tungsten (W), % 1.5 to 2.5
0