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EN 1.4597 Stainless Steel vs. EN 1.7380 Steel

Both EN 1.4597 stainless steel and EN 1.7380 steel are iron alloys. They have 74% 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 1.4597 stainless steel and the bottom bar is EN 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 45
19 to 20
Fatigue Strength, MPa 300
200 to 230
Impact Strength: V-Notched Charpy, J 90
31 to 35
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 470
330 to 350
Tensile Strength: Ultimate (UTS), MPa 680
540 to 550
Tensile Strength: Yield (Proof), MPa 330
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 860
460
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.8
Embodied Energy, MJ/kg 36
23
Embodied Water, L/kg 140
59

Common Calculations

PREN (Pitting Resistance) 21
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 280
230 to 280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
19 to 20
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 15
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.1
0.080 to 0.14
Chromium (Cr), % 15 to 18
2.0 to 2.5
Copper (Cu), % 2.0 to 3.5
0 to 0.3
Iron (Fe), % 63 to 76.4
94.6 to 96.6
Manganese (Mn), % 6.5 to 9.0
0.4 to 0.8
Molybdenum (Mo), % 0 to 1.0
0.9 to 1.1
Nickel (Ni), % 0 to 3.0
0
Nitrogen (N), % 0.1 to 0.3
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010