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EN 1.4988 Stainless Steel vs. S34565 Stainless Steel

Both EN 1.4988 stainless steel and S34565 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, 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 S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
39
Fatigue Strength, MPa 230
400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Shear Strength, MPa 430
610
Tensile Strength: Ultimate (UTS), MPa 640
900
Tensile Strength: Yield (Proof), MPa 290
470

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 520
450
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 23
28
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
5.3
Embodied Energy, MJ/kg 89
73
Embodied Water, L/kg 150
210

Common Calculations

PREN (Pitting Resistance) 22
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
300
Resilience: Unit (Modulus of Resilience), kJ/m3 210
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
32
Strength to Weight: Bending, points 21
26
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 14
22

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.030
Chromium (Cr), % 15.5 to 17.5
23 to 25
Iron (Fe), % 62.1 to 69.5
43.2 to 51.6
Manganese (Mn), % 0 to 1.5
5.0 to 7.0
Molybdenum (Mo), % 1.1 to 1.5
4.0 to 5.0
Nickel (Ni), % 12.5 to 14.5
16 to 18
Niobium (Nb), % 0.4 to 1.2
0 to 0.1
Nitrogen (N), % 0.060 to 0.14
0.4 to 0.6
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0.6 to 0.85
0