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EN 1.4938 Stainless Steel vs. EN 1.4596 Stainless Steel

Both EN 1.4938 stainless steel and EN 1.4596 stainless steel are iron alloys. They have a moderately high 91% 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 EN 1.4938 stainless steel and the bottom bar is EN 1.4596 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
1030 to 1600

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 750
790
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 10
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
3.5
Embodied Energy, MJ/kg 47
48
Embodied Water, L/kg 110
130

Common Calculations

PREN (Pitting Resistance) 18
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 37
36 to 56
Strength to Weight: Bending, points 26 to 29
29 to 39
Thermal Shock Resistance, points 30 to 35
35 to 54

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.1
Carbon (C), % 0.080 to 0.15
0 to 0.015
Chromium (Cr), % 11 to 12.5
11.5 to 12.5
Iron (Fe), % 80.5 to 84.8
73.4 to 76.4
Manganese (Mn), % 0.4 to 0.9
0 to 0.1
Molybdenum (Mo), % 1.5 to 2.0
1.9 to 2.2
Nickel (Ni), % 2.0 to 3.0
9.2 to 10.2
Nitrogen (N), % 0.020 to 0.040
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0
0.28 to 0.4
Vanadium (V), % 0.25 to 0.4
0