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EN 1.4988 Stainless Steel vs. EN 1.4596 Stainless Steel

Both EN 1.4988 stainless steel and EN 1.4596 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4988 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 77
76
Tensile Strength: Ultimate (UTS), MPa 640
1030 to 1600

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 520
450
Maximum Temperature: Mechanical, °C 920
790
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 23
15
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
3.5
Embodied Energy, MJ/kg 89
48
Embodied Water, L/kg 150
130

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.1
Carbon (C), % 0.040 to 0.1
0 to 0.015
Chromium (Cr), % 15.5 to 17.5
11.5 to 12.5
Iron (Fe), % 62.1 to 69.5
73.4 to 76.4
Manganese (Mn), % 0 to 1.5
0 to 0.1
Molybdenum (Mo), % 1.1 to 1.5
1.9 to 2.2
Nickel (Ni), % 12.5 to 14.5
9.2 to 10.2
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0.3 to 0.6
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0
0.28 to 0.4
Vanadium (V), % 0.6 to 0.85
0