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EN 1.4436 Stainless Steel vs. EN 1.4919 Stainless Steel

Both EN 1.4436 stainless steel and EN 1.4919 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.4436 stainless steel and the bottom bar is EN 1.4919 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 42
40
Fatigue Strength, MPa 220
200
Impact Strength: V-Notched Charpy, J 90
110
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 430
400
Tensile Strength: Ultimate (UTS), MPa 620
590
Tensile Strength: Yield (Proof), MPa 240
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 960
950
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
3.8
Embodied Energy, MJ/kg 54
52
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 27
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
190
Resilience: Unit (Modulus of Resilience), kJ/m3 150
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 14
13

Alloy Composition

Boron (B), % 0
0.0015 to 0.0050
Carbon (C), % 0 to 0.050
0.040 to 0.080
Chromium (Cr), % 16.5 to 18.5
16.5 to 18.5
Iron (Fe), % 62.3 to 70.5
62.8 to 71.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.0
2.0 to 2.5
Nickel (Ni), % 10.5 to 13
10 to 13
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015