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EN 1.4938 Stainless Steel vs. ASTM A182 Grade F3VCb

Both EN 1.4938 stainless steel and ASTM A182 grade F3VCb are iron alloys. They have 88% 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 1.4938 stainless steel and the bottom bar is ASTM A182 grade F3VCb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16 to 17
21
Fatigue Strength, MPa 390 to 520
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 540 to 630
420
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
670
Tensile Strength: Yield (Proof), MPa 640 to 870
460

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 750
470
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 30
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
4.5
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
2.4
Embodied Energy, MJ/kg 47
33
Embodied Water, L/kg 110
64

Common Calculations

PREN (Pitting Resistance) 18
6.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
570
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 37
24
Strength to Weight: Bending, points 26 to 29
22
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 30 to 35
19

Alloy Composition

Calcium (Ca), % 0
0.00050 to 0.015
Carbon (C), % 0.080 to 0.15
0.1 to 0.15
Chromium (Cr), % 11 to 12.5
2.7 to 3.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 80.5 to 84.8
93.8 to 95.8
Manganese (Mn), % 0.4 to 0.9
0.3 to 0.6
Molybdenum (Mo), % 1.5 to 2.0
0.9 to 1.1
Nickel (Ni), % 2.0 to 3.0
0 to 0.25
Niobium (Nb), % 0
0.015 to 0.070
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 0.015
Vanadium (V), % 0.25 to 0.4
0.2 to 0.3