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EN 1.4005 Stainless Steel vs. S31277 Stainless Steel

Both EN 1.4005 stainless steel and S31277 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 28 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 1.4005 stainless steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 13 to 21
45
Fatigue Strength, MPa 240 to 290
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Shear Strength, MPa 390 to 450
600
Tensile Strength: Ultimate (UTS), MPa 630 to 750
860
Tensile Strength: Yield (Proof), MPa 370 to 500
410

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 760
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
36
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.0
6.7
Embodied Energy, MJ/kg 28
90
Embodied Water, L/kg 100
220

Common Calculations

PREN (Pitting Resistance) 14
51
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
320
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 27
29
Strength to Weight: Bending, points 21 to 24
25
Thermal Shock Resistance, points 23 to 27
19

Alloy Composition

Carbon (C), % 0.060 to 0.15
0 to 0.020
Chromium (Cr), % 12 to 14
20.5 to 23
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 82.4 to 87.8
35.5 to 46.2
Manganese (Mn), % 0 to 1.5
0 to 3.0
Molybdenum (Mo), % 0 to 0.6
6.5 to 8.0
Nickel (Ni), % 0
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0.15 to 0.35
0 to 0.010