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ASTM A372 Grade K Steel vs. EN 1.4841 Stainless Steel

Both ASTM A372 grade K steel and EN 1.4841 stainless steel are iron alloys. They have 56% 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 1.4841 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
32
Fatigue Strength, MPa 440
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 490
430
Tensile Strength: Ultimate (UTS), MPa 780
650
Tensile Strength: Yield (Proof), MPa 620
260

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 440
1150
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 48
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
25
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
4.3
Embodied Energy, MJ/kg 24
62
Embodied Water, L/kg 57
190

Common Calculations

PREN (Pitting Resistance) 2.7
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1010
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27
23
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 23
15

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.2
Chromium (Cr), % 1.0 to 1.8
24 to 26
Iron (Fe), % 93.4 to 96.6
47.1 to 55.5
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
19 to 22
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0.15 to 0.35
1.5 to 2.5
Sulfur (S), % 0 to 0.010
0 to 0.015