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EN 1.7380 Steel vs. EN 1.4658 Stainless Steel

Both EN 1.7380 steel and EN 1.4658 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 170
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 19 to 20
28
Fatigue Strength, MPa 200 to 230
530
Impact Strength: V-Notched Charpy, J 31 to 35
110
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
81
Shear Strength, MPa 330 to 350
580
Tensile Strength: Ultimate (UTS), MPa 540 to 550
900
Tensile Strength: Yield (Proof), MPa 290 to 330
730

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 460
1100
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
16
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
25
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
4.5
Embodied Energy, MJ/kg 23
61
Embodied Water, L/kg 59
200

Common Calculations

PREN (Pitting Resistance) 5.6
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
240
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
1280
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 20
32
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 11
4.3
Thermal Shock Resistance, points 15 to 16
24

Alloy Composition

Carbon (C), % 0.080 to 0.14
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0 to 0.3
0 to 1.0
Iron (Fe), % 94.6 to 96.6
50.9 to 63.7
Manganese (Mn), % 0.4 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
4.0 to 5.0
Nickel (Ni), % 0
5.5 to 9.5
Nitrogen (N), % 0 to 0.012
0.3 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010