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EN 1.4919 Stainless Steel vs. EN 1.4598 Stainless Steel

Both EN 1.4919 stainless steel and EN 1.4598 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4919 stainless steel and the bottom bar is EN 1.4598 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
46
Fatigue Strength, MPa 200
210
Impact Strength: V-Notched Charpy, J 110
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 400
420
Tensile Strength: Ultimate (UTS), MPa 590
600
Tensile Strength: Yield (Proof), MPa 230
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 950
950
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.8
3.8
Embodied Energy, MJ/kg 52
52
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 26
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
220
Resilience: Unit (Modulus of Resilience), kJ/m3 130
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.3
4.1
Thermal Shock Resistance, points 13
14

Alloy Composition

Boron (B), % 0.0015 to 0.0050
0
Carbon (C), % 0.040 to 0.080
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
16.5 to 18.5
Copper (Cu), % 0
1.3 to 1.8
Iron (Fe), % 62.8 to 71.5
60.8 to 70.1
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 2.5
2.0 to 2.5
Nickel (Ni), % 10 to 13
10 to 13
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0.1 to 0.2