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EN 1.4938 Stainless Steel vs. S43037 Stainless Steel

Both EN 1.4938 stainless steel and S43037 stainless steel are iron alloys. They have a moderately high 93% 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 1.4938 stainless steel and the bottom bar is S43037 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 17
25
Fatigue Strength, MPa 390 to 520
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 540 to 630
260
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
410
Tensile Strength: Yield (Proof), MPa 640 to 870
230

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
510
Maximum Temperature: Mechanical, °C 750
880
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 30
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.3
Embodied Energy, MJ/kg 47
32
Embodied Water, L/kg 110
120

Common Calculations

PREN (Pitting Resistance) 18
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
88
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 37
15
Strength to Weight: Bending, points 26 to 29
16
Thermal Diffusivity, mm2/s 8.1
6.7
Thermal Shock Resistance, points 30 to 35
14

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 11 to 12.5
16 to 19
Iron (Fe), % 80.5 to 84.8
77.9 to 83.9
Manganese (Mn), % 0.4 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
0
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.1 to 1.0
Vanadium (V), % 0.25 to 0.4
0