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S39274 Stainless Steel vs. EN 1.4301 Stainless Steel

Both S39274 stainless steel and EN 1.4301 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 (3, in this case) are not shown.

For each property being compared, the top bar is S39274 stainless steel and the bottom bar is EN 1.4301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
14 to 46
Fatigue Strength, MPa 380
200 to 330
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 560
430 to 550
Tensile Strength: Ultimate (UTS), MPa 900
610 to 900
Tensile Strength: Yield (Proof), MPa 620
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
16

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
15
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.0
Embodied Energy, MJ/kg 60
43
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 43
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 940
120 to 820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
22 to 32
Strength to Weight: Bending, points 26
20 to 27
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 25
14 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 24 to 26
17.5 to 19.5
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 57 to 65.6
66.8 to 74.5
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 10.5
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 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 1.5 to 2.5
0