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EN 1.4749 Stainless Steel vs. EN 1.4477 Stainless Steel

Both EN 1.4749 stainless steel and EN 1.4477 stainless steel are iron alloys. They have 89% 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 1.4749 stainless steel and the bottom bar is EN 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 16
22 to 23
Fatigue Strength, MPa 190
420 to 490
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
81
Shear Strength, MPa 370
550 to 580
Tensile Strength: Ultimate (UTS), MPa 600
880 to 930
Tensile Strength: Yield (Proof), MPa 320
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
20
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.5
3.7
Embodied Energy, MJ/kg 36
52
Embodied Water, L/kg 160
190

Common Calculations

PREN (Pitting Resistance) 31
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 250
940 to 1290
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 22
31 to 33
Strength to Weight: Bending, points 21
26 to 27
Thermal Diffusivity, mm2/s 4.6
3.5
Thermal Shock Resistance, points 22
23 to 25

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.030
Chromium (Cr), % 26 to 29
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 68.5 to 73.7
56.6 to 63.6
Manganese (Mn), % 0 to 1.0
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 0
5.8 to 7.5
Nitrogen (N), % 0.15 to 0.25
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015