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SAE-AISI S7 Steel vs. EN 1.4849 Stainless Steel

Both SAE-AISI S7 steel and EN 1.4849 stainless steel are iron alloys. They have 43% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S7 steel and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
480

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
42
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.3
7.1
Embodied Energy, MJ/kg 31
100
Embodied Water, L/kg 65
200

Common Calculations

PREN (Pitting Resistance) 8.4
20
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 72
17
Strength to Weight: Bending, points 22 to 46
17
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 22 to 66
11

Alloy Composition

Carbon (C), % 0.45 to 0.55
0.3 to 0.5
Chromium (Cr), % 3.0 to 3.5
18 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 94.9
32.6 to 43.5
Manganese (Mn), % 0.2 to 0.9
0 to 2.0
Molybdenum (Mo), % 1.3 to 1.8
0 to 0.5
Nickel (Ni), % 0
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.3
0