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EN 1.4849 Stainless Steel vs. S39274 Stainless Steel

Both EN 1.4849 stainless steel and S39274 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4849 stainless steel and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 4.5
17
Fatigue Strength, MPa 120
380
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
81
Tensile Strength: Ultimate (UTS), MPa 480
900
Tensile Strength: Yield (Proof), MPa 250
620

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 620
450
Maximum Temperature: Mechanical, °C 1020
1100
Melting Completion (Liquidus), °C 1390
1480
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 42
24
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 7.1
4.3
Embodied Energy, MJ/kg 100
60
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 20
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
140
Resilience: Unit (Modulus of Resilience), kJ/m3 160
940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
32
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 3.2
4.2
Thermal Shock Resistance, points 11
25

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 18 to 21
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 32.6 to 43.5
57 to 65.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.5
Nickel (Ni), % 36 to 39
6.0 to 8.0
Niobium (Nb), % 1.2 to 1.8
0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5