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EN 1.4971 Stainless Steel vs. ASTM A182 Grade F23

Both EN 1.4971 stainless steel and ASTM A182 grade F23 are iron alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.4971 stainless steel and the bottom bar is ASTM A182 grade F23.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
190
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
22
Fatigue Strength, MPa 270
320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
74
Shear Strength, MPa 530
360
Tensile Strength: Ultimate (UTS), MPa 800
570
Tensile Strength: Yield (Proof), MPa 340
460

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
450
Melting Completion (Liquidus), °C 1460
1500
Melting Onset (Solidus), °C 1410
1450
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
41
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
7.0
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 7.6
2.5
Embodied Energy, MJ/kg 110
36
Embodied Water, L/kg 300
59

Common Calculations

PREN (Pitting Resistance) 38
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 280
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
20
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 3.4
11
Thermal Shock Resistance, points 19
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0.080 to 0.16
0.040 to 0.1
Chromium (Cr), % 20 to 22.5
1.9 to 2.6
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 37.1
93.2 to 96.2
Manganese (Mn), % 0 to 2.0
0.1 to 0.6
Molybdenum (Mo), % 2.5 to 3.5
0.050 to 0.3
Nickel (Ni), % 19 to 21
0 to 0.4
Niobium (Nb), % 0.75 to 1.3
0.020 to 0.080
Nitrogen (N), % 0.1 to 0.2
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0.0050 to 0.060
Tungsten (W), % 2.0 to 3.0
1.5 to 1.8
Vanadium (V), % 0
0.2 to 0.3