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ASTM A369 Grade FP21 vs. EN 1.4962 Stainless Steel

Both ASTM A369 grade FP21 and EN 1.4962 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP21 and the bottom bar is EN 1.4962 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
22 to 34
Fatigue Strength, MPa 160
210 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 300
420 to 440
Tensile Strength: Ultimate (UTS), MPa 470
630 to 690
Tensile Strength: Yield (Proof), MPa 240
260 to 490

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 470
910
Melting Completion (Liquidus), °C 1470
1480
Melting Onset (Solidus), °C 1430
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
23
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.8
4.1
Embodied Energy, MJ/kg 23
59
Embodied Water, L/kg 61
150

Common Calculations

PREN (Pitting Resistance) 6.2
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 150
170 to 610
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
21 to 24
Strength to Weight: Bending, points 17
20 to 21
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 14
14 to 16

Alloy Composition

Boron (B), % 0
0.0015 to 0.0060
Carbon (C), % 0.050 to 0.15
0.070 to 0.15
Chromium (Cr), % 2.7 to 3.4
15.5 to 17.5
Iron (Fe), % 94.3 to 96.2
62.1 to 69
Manganese (Mn), % 0.3 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.8 to 1.1
0
Nickel (Ni), % 0
12.5 to 14.5
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0.4 to 0.7
Tungsten (W), % 0
2.5 to 3.0