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EN 1.4369 Stainless Steel vs. S39274 Stainless Steel

Both EN 1.4369 stainless steel and S39274 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 EN 1.4369 stainless steel and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 40
17
Fatigue Strength, MPa 330
380
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 580
560
Tensile Strength: Ultimate (UTS), MPa 850
900
Tensile Strength: Yield (Proof), MPa 390
620

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1400
1480
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.0
4.3
Embodied Energy, MJ/kg 43
60
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
140
Resilience: Unit (Modulus of Resilience), kJ/m3 380
940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
32
Strength to Weight: Bending, points 26
26
Thermal Diffusivity, mm2/s 4.0
4.2
Thermal Shock Resistance, points 18
25

Alloy Composition

Carbon (C), % 0.070 to 0.15
0 to 0.030
Chromium (Cr), % 17.5 to 19.5
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 63 to 70.2
57 to 65.6
Manganese (Mn), % 5.0 to 7.5
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 6.5 to 8.5
6.0 to 8.0
Nitrogen (N), % 0.2 to 0.3
0.24 to 0.32
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.5 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5