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ASTM A372 Grade K Steel vs. EN 1.4876 Stainless Steel

Both ASTM A372 grade K steel and EN 1.4876 stainless steel are iron alloys. They have 49% 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 A372 grade K steel and the bottom bar is EN 1.4876 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
33
Fatigue Strength, MPa 440
150
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 490
370
Tensile Strength: Ultimate (UTS), MPa 780
570
Tensile Strength: Yield (Proof), MPa 620
190

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
12
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
30
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.8
5.3
Embodied Energy, MJ/kg 24
76
Embodied Water, L/kg 57
200

Common Calculations

PREN (Pitting Resistance) 2.7
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1010
94
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27
20
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 13
3.2
Thermal Shock Resistance, points 23
14

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.18
0 to 0.12
Chromium (Cr), % 1.0 to 1.8
19 to 23
Iron (Fe), % 93.4 to 96.6
38.6 to 50.7
Manganese (Mn), % 0.1 to 0.4
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.6
0
Nickel (Ni), % 2.0 to 3.3
30 to 34
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6