MakeItFrom.com
Menu (ESC)

EN 1.4523 Stainless Steel vs. EN 1.4749 Stainless Steel

Both EN 1.4523 stainless steel and EN 1.4749 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 90% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4523 stainless steel and the bottom bar is EN 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
16
Fatigue Strength, MPa 190
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
80
Shear Strength, MPa 320
370
Tensile Strength: Ultimate (UTS), MPa 520
600
Tensile Strength: Yield (Proof), MPa 320
320

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 500
450
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 22
17
Thermal Expansion, µm/m-K 10
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.9
2.5
Embodied Energy, MJ/kg 40
36
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 26
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77
80
Resilience: Unit (Modulus of Resilience), kJ/m3 260
250
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 5.8
4.6
Thermal Shock Resistance, points 18
22

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 17.5 to 19
26 to 29
Iron (Fe), % 75.7 to 80.2
68.5 to 73.7
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.015
Titanium (Ti), % 0.15 to 0.8
0