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EN 1.4658 Stainless Steel vs. ASTM A369 Grade FP2

Both EN 1.4658 stainless steel and ASTM A369 grade FP2 are iron alloys. They have 59% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4658 stainless steel and the bottom bar is ASTM A369 grade FP2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
130
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 28
20
Fatigue Strength, MPa 530
160
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 580
270
Tensile Strength: Ultimate (UTS), MPa 900
430
Tensile Strength: Yield (Proof), MPa 730
240

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.5
1.6
Embodied Energy, MJ/kg 61
20
Embodied Water, L/kg 200
50

Common Calculations

PREN (Pitting Resistance) 49
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
75
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
150
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
15
Strength to Weight: Bending, points 26
16
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 24
13

Alloy Composition

Carbon (C), % 0 to 0.030
0.1 to 0.2
Chromium (Cr), % 26 to 29
0.5 to 0.81
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 50.9 to 63.7
97.4 to 98.6
Manganese (Mn), % 0 to 1.5
0.3 to 0.61
Molybdenum (Mo), % 4.0 to 5.0
0.44 to 0.65
Nickel (Ni), % 5.5 to 9.5
0
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.5
0.1 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.025