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S39274 Stainless Steel vs. EN 1.4057 Stainless Steel

Both S39274 stainless steel and EN 1.4057 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 32 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 S39274 stainless steel and the bottom bar is EN 1.4057 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
11 to 17
Fatigue Strength, MPa 380
320 to 430
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 560
520 to 580
Tensile Strength: Ultimate (UTS), MPa 900
840 to 980
Tensile Strength: Yield (Proof), MPa 620
530 to 790

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
400
Maximum Temperature: Mechanical, °C 1100
850
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 4.3
2.2
Embodied Energy, MJ/kg 60
32
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 43
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
96 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 940
700 to 1610
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
30 to 35
Strength to Weight: Bending, points 26
26 to 28
Thermal Diffusivity, mm2/s 4.2
6.7
Thermal Shock Resistance, points 25
30 to 35

Alloy Composition

Carbon (C), % 0 to 0.030
0.12 to 0.22
Chromium (Cr), % 24 to 26
15 to 17
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 57 to 65.6
77.7 to 83.4
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 6.0 to 8.0
1.5 to 2.5
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 1.5 to 2.5
0