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EN 1.4372 Stainless Steel vs. S39274 Stainless Steel

Both EN 1.4372 stainless steel and S39274 stainless steel are iron alloys. They have 84% 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 1.4372 stainless steel and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 47
17
Fatigue Strength, MPa 330
380
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 560
560
Tensile Strength: Ultimate (UTS), MPa 790
900
Tensile Strength: Yield (Proof), MPa 350
620

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 880
1100
Melting Completion (Liquidus), °C 1410
1480
Melting Onset (Solidus), °C 1370
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 12
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.6
4.3
Embodied Energy, MJ/kg 38
60
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 19
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
140
Resilience: Unit (Modulus of Resilience), kJ/m3 320
940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
32
Strength to Weight: Bending, points 25
26
Thermal Diffusivity, mm2/s 4.0
4.2
Thermal Shock Resistance, points 17
25

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 16 to 18
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 67.5 to 75
57 to 65.6
Manganese (Mn), % 5.5 to 7.5
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 3.5 to 5.5
6.0 to 8.0
Nitrogen (N), % 0.050 to 0.25
0.24 to 0.32
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 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