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EN 1.4596 Stainless Steel vs. EN 1.4988 Stainless Steel

Both EN 1.4596 stainless steel and EN 1.4988 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 1.4596 stainless steel and the bottom bar is EN 1.4988 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
77
Tensile Strength: Ultimate (UTS), MPa 1030 to 1600
640

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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