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EN 1.4849 Stainless Steel vs. S40977 Stainless Steel

Both EN 1.4849 stainless steel and S40977 stainless steel are iron alloys. They have 51% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 S40977 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.5
21
Fatigue Strength, MPa 120
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 480
510
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Corrosion, °C 620
390
Maximum Temperature: Mechanical, °C 1020
720
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
25
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 42
6.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.1
1.9
Embodied Energy, MJ/kg 100
27
Embodied Water, L/kg 200
97

Common Calculations

PREN (Pitting Resistance) 20
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
92
Resilience: Unit (Modulus of Resilience), kJ/m3 160
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 3.2
6.7
Thermal Shock Resistance, points 11
18

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 18 to 21
10.5 to 12.5
Iron (Fe), % 32.6 to 43.5
83.9 to 89.2
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 36 to 39
0.3 to 1.0
Niobium (Nb), % 1.2 to 1.8
0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015