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EN 1.4887 Stainless Steel vs. EN 1.7338 Steel

Both EN 1.4887 stainless steel and EN 1.7338 steel are iron alloys. They have 42% 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 1.7338 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
23
Fatigue Strength, MPa 280
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 400
310
Tensile Strength: Ultimate (UTS), MPa 580
490
Tensile Strength: Yield (Proof), MPa 300
300

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
40
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 39
3.1
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.7
1.6
Embodied Energy, MJ/kg 96
21
Embodied Water, L/kg 210
53

Common Calculations

PREN (Pitting Resistance) 22
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
97
Resilience: Unit (Modulus of Resilience), kJ/m3 230
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 14
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 20 to 23
1.0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 34.2 to 45
95.4 to 97.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 33 to 37
0 to 0.3
Niobium (Nb), % 1.0 to 1.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 1.0 to 2.0
0.5 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010