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EN 1.4477 Stainless Steel vs. EN 1.4436 Stainless Steel

Both EN 1.4477 stainless steel and EN 1.4436 stainless steel are iron alloys. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is EN 1.4436 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 22 to 23
42
Fatigue Strength, MPa 420 to 490
220
Impact Strength: V-Notched Charpy, J 110
90
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
78
Shear Strength, MPa 550 to 580
430
Tensile Strength: Ultimate (UTS), MPa 880 to 930
620
Tensile Strength: Yield (Proof), MPa 620 to 730
240

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
19
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.7
3.9
Embodied Energy, MJ/kg 52
54
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 41
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
210
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
150
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 33
22
Strength to Weight: Bending, points 26 to 27
20
Thermal Diffusivity, mm2/s 3.5
4.0
Thermal Shock Resistance, points 23 to 25
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 28 to 30
16.5 to 18.5
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
62.3 to 70.5
Manganese (Mn), % 0.8 to 1.5
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.6
2.5 to 3.0
Nickel (Ni), % 5.8 to 7.5
10.5 to 13
Nitrogen (N), % 0.3 to 0.4
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015