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EN 1.4988 Stainless Steel vs. AISI 430FSe Stainless Steel

Both EN 1.4988 stainless steel and AISI 430FSe stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, 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 AISI 430FSe stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
23
Fatigue Strength, MPa 230
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 430
340
Tensile Strength: Ultimate (UTS), MPa 640
540
Tensile Strength: Yield (Proof), MPa 290
310

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 520
410
Maximum Temperature: Mechanical, °C 920
870
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 23
8.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
2.1
Embodied Energy, MJ/kg 89
30
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 22
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 4.0
6.8
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.12
Chromium (Cr), % 15.5 to 17.5
16 to 18
Iron (Fe), % 62.1 to 69.5
79.5 to 84
Manganese (Mn), % 0 to 1.5
0 to 1.3
Molybdenum (Mo), % 1.1 to 1.5
0
Nickel (Ni), % 12.5 to 14.5
0
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.060
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.060
Vanadium (V), % 0.6 to 0.85
0