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EN 1.4948 Stainless Steel vs. EN 1.5681 Steel

Both EN 1.4948 stainless steel and EN 1.5681 steel are iron alloys. They have 77% 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 1.4948 stainless steel and the bottom bar is EN 1.5681 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 48
20
Fatigue Strength, MPa 200
300
Impact Strength: V-Notched Charpy, J 100
110
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 610
630
Tensile Strength: Yield (Proof), MPa 210
430

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
48
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.9
Embodied Energy, MJ/kg 43
25
Embodied Water, L/kg 140
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
110
Resilience: Unit (Modulus of Resilience), kJ/m3 110
490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 4.5
13
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0.040 to 0.080
0.060 to 0.12
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 66.8 to 75
92.9 to 94.9
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Nickel (Ni), % 8.0 to 11
4.5 to 5.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.020