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S39274 Stainless Steel vs. S35315 Stainless Steel

Both S39274 stainless steel and S35315 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 70% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S39274 stainless steel and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
46
Fatigue Strength, MPa 380
280
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
78
Shear Strength, MPa 560
520
Tensile Strength: Ultimate (UTS), MPa 900
740
Tensile Strength: Yield (Proof), MPa 620
300

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1480
1370
Melting Onset (Solidus), °C 1430
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 24
34
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.3
5.7
Embodied Energy, MJ/kg 60
81
Embodied Water, L/kg 180
220

Common Calculations

PREN (Pitting Resistance) 43
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
270
Resilience: Unit (Modulus of Resilience), kJ/m3 940
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
26
Strength to Weight: Bending, points 26
23
Thermal Diffusivity, mm2/s 4.2
3.1
Thermal Shock Resistance, points 25
17

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 24 to 26
24 to 26
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 57 to 65.6
33.6 to 40.6
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 6.0 to 8.0
34 to 36
Nitrogen (N), % 0.24 to 0.32
0.12 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
1.2 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 1.5 to 2.5
0