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EN 1.4029 Stainless Steel vs. ASTM A182 Grade F5a

Both EN 1.4029 stainless steel and ASTM A182 grade F5a are iron alloys. They have a moderately high 91% 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 1.4029 stainless steel and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 20
25
Fatigue Strength, MPa 270 to 400
380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 440 to 550
450
Tensile Strength: Ultimate (UTS), MPa 700 to 930
710
Tensile Strength: Yield (Proof), MPa 410 to 740
520

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 750
510
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
4.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.8
Embodied Energy, MJ/kg 28
24
Embodied Water, L/kg 100
69

Common Calculations

PREN (Pitting Resistance) 14
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1410
700
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 33
25
Strength to Weight: Bending, points 23 to 27
23
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 26 to 34
20

Alloy Composition

Carbon (C), % 0.25 to 0.32
0 to 0.25
Chromium (Cr), % 12 to 13.5
4.0 to 6.0
Iron (Fe), % 82.8 to 87.6
91.4 to 95.6
Manganese (Mn), % 0 to 1.5
0 to 0.6
Molybdenum (Mo), % 0 to 0.6
0.44 to 0.65
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0.15 to 0.25
0 to 0.030