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EN 1.4749 Stainless Steel vs. EN 1.4462 Stainless Steel

Both EN 1.4749 stainless steel and EN 1.4462 stainless steel are iron alloys. They have a moderately high 91% 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 1.4462 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
240
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16
26
Fatigue Strength, MPa 190
370
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
80
Shear Strength, MPa 370
500
Tensile Strength: Ultimate (UTS), MPa 600
780
Tensile Strength: Yield (Proof), MPa 320
520

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 1100
1060
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
15
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
17
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.5
3.6
Embodied Energy, MJ/kg 36
49
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 31
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
180
Resilience: Unit (Modulus of Resilience), kJ/m3 250
670
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 22
28
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 22
21

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.030
Chromium (Cr), % 26 to 29
21 to 23
Iron (Fe), % 68.5 to 73.7
63.7 to 71.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
4.5 to 6.5
Nitrogen (N), % 0.15 to 0.25
0.1 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015