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EN 1.4596 Stainless Steel vs. EN 1.7709 Steel

Both EN 1.4596 stainless steel and EN 1.7709 steel are iron alloys. They have 77% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4596 stainless steel and the bottom bar is EN 1.7709 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 1030 to 1600
650 to 780

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 790
440
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.5
2.3
Embodied Energy, MJ/kg 48
32
Embodied Water, L/kg 130
56

Common Calculations

PREN (Pitting Resistance) 19
3.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 56
23 to 27
Strength to Weight: Bending, points 29 to 39
21 to 24
Thermal Shock Resistance, points 35 to 54
22 to 26

Alloy Composition

Aluminum (Al), % 0.8 to 1.1
0 to 0.030
Carbon (C), % 0 to 0.015
0.17 to 0.25
Chromium (Cr), % 11.5 to 12.5
1.2 to 1.5
Iron (Fe), % 73.4 to 76.4
95.2 to 97.5
Manganese (Mn), % 0 to 0.1
0.4 to 0.8
Molybdenum (Mo), % 1.9 to 2.2
0.55 to 0.8
Nickel (Ni), % 9.2 to 10.2
0 to 0.6
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0.28 to 0.4
0
Vanadium (V), % 0
0.2 to 0.35