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EN 1.4857 Stainless Steel vs. ASTM A182 Grade F12 Class 1

Both EN 1.4857 stainless steel and ASTM A182 grade F12 class 1 are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.4857 stainless steel and the bottom bar is ASTM A182 grade F12 class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.7
23
Fatigue Strength, MPa 120
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 500
470
Tensile Strength: Yield (Proof), MPa 250
250

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1370
1470
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
45
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.7
1.6
Embodied Energy, MJ/kg 81
21
Embodied Water, L/kg 220
52

Common Calculations

PREN (Pitting Resistance) 26
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
91
Resilience: Unit (Modulus of Resilience), kJ/m3 150
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 3.4
12
Thermal Shock Resistance, points 11
14

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.050 to 0.15
Chromium (Cr), % 24 to 27
0.8 to 1.3
Iron (Fe), % 31.4 to 41.7
96.8 to 98.4
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.44 to 0.65
Nickel (Ni), % 33 to 36
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 1.0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.045