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EN 1.4655 Stainless Steel vs. ASTM A182 Grade F6b

Both EN 1.4655 stainless steel and ASTM A182 grade F6b are iron alloys. They have 84% 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 1.4655 stainless steel and the bottom bar is ASTM A182 grade F6b.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23 to 25
18
Fatigue Strength, MPa 320
440
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 460
530
Tensile Strength: Ultimate (UTS), MPa 720 to 730
850
Tensile Strength: Yield (Proof), MPa 450 to 480
710

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 1050
750
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 15
8.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.2
Embodied Energy, MJ/kg 41
30
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 26
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
140
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 580
1280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
30
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 20
31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 22 to 24
11.5 to 13.5
Copper (Cu), % 1.0 to 3.0
0 to 0.5
Iron (Fe), % 63.6 to 73.4
81.2 to 87.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0.1 to 0.6
0.4 to 0.6
Nickel (Ni), % 3.5 to 5.5
1.0 to 2.0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020