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S39277 Stainless Steel vs. S41425 Stainless Steel

Both S39277 stainless steel and S41425 stainless steel are iron alloys. They have 82% of their average alloy composition in common.

For each property being compared, the top bar is S39277 stainless steel and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
280
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
17
Fatigue Strength, MPa 480
450
Poisson's Ratio 0.27
0.28
Reduction in Area, % 57
51
Shear Modulus, GPa 80
77
Shear Strength, MPa 600
570
Tensile Strength: Ultimate (UTS), MPa 930
920
Tensile Strength: Yield (Proof), MPa 660
750

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
810
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
13
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.2
2.9
Embodied Energy, MJ/kg 59
40
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 43
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1070
1420
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
33
Strength to Weight: Bending, points 27
27
Thermal Diffusivity, mm2/s 4.2
4.4
Thermal Shock Resistance, points 26
33

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.050
Chromium (Cr), % 24 to 26
12 to 15
Copper (Cu), % 1.2 to 2.0
0 to 0.3
Iron (Fe), % 56.8 to 64.3
74 to 81.9
Manganese (Mn), % 0 to 0.8
0.5 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
1.5 to 2.0
Nickel (Ni), % 6.5 to 8.0
4.0 to 7.0
Nitrogen (N), % 0.23 to 0.33
0.060 to 0.12
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.0020
0 to 0.0050
Tungsten (W), % 0.8 to 1.2
0