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EN 1.4938 Stainless Steel vs. S30452 Stainless Steel

Both EN 1.4938 stainless steel and S30452 stainless steel are iron alloys. They have 85% 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 S30452 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 17
34
Fatigue Strength, MPa 390 to 520
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 540 to 630
440
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
660
Tensile Strength: Yield (Proof), MPa 640 to 870
310

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 750
960
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 30
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.0
Embodied Energy, MJ/kg 47
43
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 18
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 37
23
Strength to Weight: Bending, points 26 to 29
22
Thermal Diffusivity, mm2/s 8.1
4.2
Thermal Shock Resistance, points 30 to 35
15

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.080
Chromium (Cr), % 11 to 12.5
18 to 20
Iron (Fe), % 80.5 to 84.8
66.3 to 73.8
Manganese (Mn), % 0.4 to 0.9
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
8.0 to 10.5
Nitrogen (N), % 0.020 to 0.040
0.16 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.25 to 0.4
0