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EN 1.4596 Stainless Steel vs. EN 1.7707 Steel

Both EN 1.4596 stainless steel and EN 1.7707 steel are iron alloys. They have 78% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (13, 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 1.7707 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
1010

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 790
460
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.5
1.9
Embodied Energy, MJ/kg 48
27
Embodied Water, L/kg 130
58

Common Calculations

PREN (Pitting Resistance) 19
3.2
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 56
36
Strength to Weight: Bending, points 29 to 39
29
Thermal Shock Resistance, points 35 to 54
29

Alloy Composition

Aluminum (Al), % 0.8 to 1.1
0
Carbon (C), % 0 to 0.015
0.26 to 0.34
Chromium (Cr), % 11.5 to 12.5
2.3 to 2.7
Iron (Fe), % 73.4 to 76.4
94.7 to 96.8
Manganese (Mn), % 0 to 0.1
0.4 to 0.7
Molybdenum (Mo), % 1.9 to 2.2
0.15 to 0.25
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 0.035
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.035
Titanium (Ti), % 0.28 to 0.4
0
Vanadium (V), % 0
0.1 to 0.2