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EN 1.4887 Stainless Steel vs. EN 1.7380 Steel

Both EN 1.4887 stainless steel and EN 1.7380 steel are iron alloys. They have 43% 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 1.4887 stainless steel and the bottom bar is EN 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
160 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
19 to 20
Fatigue Strength, MPa 280
200 to 230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 400
330 to 350
Tensile Strength: Ultimate (UTS), MPa 580
540 to 550
Tensile Strength: Yield (Proof), MPa 300
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1390
1470
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 39
3.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.7
1.8
Embodied Energy, MJ/kg 96
23
Embodied Water, L/kg 210
59

Common Calculations

PREN (Pitting Resistance) 22
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 230
230 to 280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
19 to 20
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 14
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.15
0.080 to 0.14
Chromium (Cr), % 20 to 23
2.0 to 2.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 34.2 to 45
94.6 to 96.6
Manganese (Mn), % 0 to 2.0
0.4 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 33 to 37
0
Niobium (Nb), % 1.0 to 1.5
0
Nitrogen (N), % 0 to 0.1
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 1.0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010