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S39274 Stainless Steel vs. EN 1.4650 Stainless Steel

Both S39274 stainless steel and EN 1.4650 stainless steel are iron alloys. They have 89% 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 1.4650 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
48
Fatigue Strength, MPa 380
230
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 560
440
Tensile Strength: Ultimate (UTS), MPa 900
620
Tensile Strength: Yield (Proof), MPa 620
240

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
970
Melting Completion (Liquidus), °C 1480
1420
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
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.6

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
43
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 43
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
240
Resilience: Unit (Modulus of Resilience), kJ/m3 940
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
22
Strength to Weight: Bending, points 26
21
Thermal Diffusivity, mm2/s 4.2
4.1
Thermal Shock Resistance, points 25
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
18.5 to 20
Copper (Cu), % 0.2 to 0.8
0 to 1.0
Iron (Fe), % 57 to 65.6
65.8 to 72.5
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
9.0 to 10
Nitrogen (N), % 0.24 to 0.32
0 to 0.080
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