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EN 1.7380 Steel vs. EN 1.4571 Stainless Steel

Both EN 1.7380 steel and EN 1.4571 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 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 1.7380 steel and the bottom bar is EN 1.4571 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 170
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19 to 20
14 to 40
Fatigue Strength, MPa 200 to 230
200 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Shear Strength, MPa 330 to 350
410 to 550
Tensile Strength: Ultimate (UTS), MPa 540 to 550
600 to 900
Tensile Strength: Yield (Proof), MPa 290 to 330
230 to 570

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 460
950
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.8
3.9
Embodied Energy, MJ/kg 23
54
Embodied Water, L/kg 59
150

Common Calculations

PREN (Pitting Resistance) 5.6
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
130 to 820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 20
21 to 32
Strength to Weight: Bending, points 19
20 to 26
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 15 to 16
13 to 20

Alloy Composition

Carbon (C), % 0.080 to 0.14
0 to 0.080
Chromium (Cr), % 2.0 to 2.5
16.5 to 18.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 96.6
61.7 to 71
Manganese (Mn), % 0.4 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
2.0 to 2.5
Nickel (Ni), % 0
10.5 to 13.5
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0 to 0.7

Comparable Variants