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S39274 Stainless Steel vs. AISI 304L Stainless Steel

Both S39274 stainless steel and AISI 304L stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S39274 stainless steel and the bottom bar is AISI 304L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
160 to 350
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
6.7 to 46
Fatigue Strength, MPa 380
170 to 430
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 560
370 to 680
Tensile Strength: Ultimate (UTS), MPa 900
540 to 1160
Tensile Strength: Yield (Proof), MPa 620
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
540
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
16
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.1
Embodied Energy, MJ/kg 60
44
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 43
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
71 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 940
92 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
19 to 41
Strength to Weight: Bending, points 26
19 to 31
Thermal Diffusivity, mm2/s 4.2
4.2
Thermal Shock Resistance, points 25
12 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
18 to 20
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 57 to 65.6
65 to 74
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
8.0 to 12
Nitrogen (N), % 0.24 to 0.32
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.8
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 1.5 to 2.5
0