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EN 1.4826 Stainless Steel vs. ASTM A387 Grade 12 Steel

Both EN 1.4826 stainless steel and ASTM A387 grade 12 steel are iron alloys. They have 67% of their average alloy composition in common. There are 31 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 1.4826 stainless steel and the bottom bar is ASTM A387 grade 12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
25
Fatigue Strength, MPa 140
190 to 230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
470 to 520
Tensile Strength: Yield (Proof), MPa 260
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 950
430
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.6
Embodied Energy, MJ/kg 47
21
Embodied Water, L/kg 160
51

Common Calculations

PREN (Pitting Resistance) 23
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
180 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
16 to 18
Strength to Weight: Bending, points 18
17 to 18
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 11
14 to 15

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.050 to 0.17
Chromium (Cr), % 21 to 23
0.8 to 1.2
Iron (Fe), % 60.4 to 68.7
97 to 98.2
Manganese (Mn), % 0 to 2.0
0.4 to 0.65
Molybdenum (Mo), % 0 to 0.5
0.45 to 0.6
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025