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EN 1.7386 Steel vs. EN 1.4971 Stainless Steel

Both EN 1.7386 steel and EN 1.4971 stainless steel are iron alloys. They have 42% 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 1.7386 steel and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 200
240
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 18 to 21
34
Fatigue Strength, MPa 170 to 290
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
81
Shear Strength, MPa 340 to 410
530
Tensile Strength: Ultimate (UTS), MPa 550 to 670
800
Tensile Strength: Yield (Proof), MPa 240 to 440
340

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 600
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 26
13
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 2.0
7.6
Embodied Energy, MJ/kg 28
110
Embodied Water, L/kg 88
300

Common Calculations

PREN (Pitting Resistance) 12
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 490
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 24
26
Strength to Weight: Bending, points 19 to 22
23
Thermal Diffusivity, mm2/s 6.9
3.4
Thermal Shock Resistance, points 15 to 18
19

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0.080 to 0.16
Chromium (Cr), % 8.0 to 10
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 86.8 to 90.5
24.3 to 37.1
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
2.5 to 3.5
Nickel (Ni), % 0
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.25 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Tungsten (W), % 0
2.0 to 3.0