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EN 1.4529 Stainless Steel vs. ASTM A372 Grade K Steel

Both EN 1.4529 stainless steel and ASTM A372 grade K steel are iron alloys. They have 52% of their average alloy composition in common. There are 32 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 1.4529 stainless steel and the bottom bar is ASTM A372 grade K steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 43
23
Fatigue Strength, MPa 310
440
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 520
490
Tensile Strength: Ultimate (UTS), MPa 750
780
Tensile Strength: Yield (Proof), MPa 340
620

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
48
Thermal Expansion, µm/m-K 16
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 33
4.4
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.2
1.8
Embodied Energy, MJ/kg 84
24
Embodied Water, L/kg 200
57

Common Calculations

PREN (Pitting Resistance) 45
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
160
Resilience: Unit (Modulus of Resilience), kJ/m3 280
1010
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
27
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 17
23

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.18
Chromium (Cr), % 19 to 21
1.0 to 1.8
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 42.7 to 50.4
93.4 to 96.6
Manganese (Mn), % 0 to 1.0
0.1 to 0.4
Molybdenum (Mo), % 6.0 to 7.0
0.2 to 0.6
Nickel (Ni), % 24 to 26
2.0 to 3.3
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.010