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EN 1.4474 Stainless Steel vs. EN 1.4630 Stainless Steel

Both EN 1.4474 stainless steel and EN 1.4630 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4474 stainless steel and the bottom bar is EN 1.4630 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
23
Fatigue Strength, MPa 320
170
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 670
480
Tensile Strength: Yield (Proof), MPa 480
250

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
520
Maximum Temperature: Mechanical, °C 1100
800
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
28
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
9.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.5
Embodied Energy, MJ/kg 48
36
Embodied Water, L/kg 170
120

Common Calculations

PREN (Pitting Resistance) 34
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
92
Resilience: Unit (Modulus of Resilience), kJ/m3 560
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 4.6
7.5
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0
0 to 1.5
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 25 to 27
13 to 16
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 61.2 to 69.1
77.1 to 86.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.3 to 2.0
0 to 0.5
Nickel (Ni), % 4.5 to 6.5
0 to 0.5
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.050
Silicon (Si), % 0 to 1.0
0.2 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.8