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EN 1.4474 Stainless Steel vs. ASTM A387 Grade 5 Steel

Both EN 1.4474 stainless steel and ASTM A387 grade 5 steel are iron alloys. They have 71% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 ASTM A387 grade 5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
20 to 21
Fatigue Strength, MPa 320
160 to 240
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 670
500 to 600
Tensile Strength: Yield (Proof), MPa 480
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
510
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 17
4.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.7
Embodied Energy, MJ/kg 48
23
Embodied Water, L/kg 170
69

Common Calculations

PREN (Pitting Resistance) 34
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 560
140 to 320
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
18 to 21
Strength to Weight: Bending, points 22
18 to 20
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 18
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 25 to 27
4.0 to 6.0
Iron (Fe), % 61.2 to 69.1
92.1 to 95.3
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 1.3 to 2.0
0.45 to 0.65
Nickel (Ni), % 4.5 to 6.5
0
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.025