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EN 1.4313 Stainless Steel vs. ASTM Grade HK Steel

Both EN 1.4313 stainless steel and ASTM grade HK steel are iron alloys. They have 70% of their average alloy composition in common. 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 1.4313 stainless steel and the bottom bar is ASTM grade HK steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 12 to 17
11
Fatigue Strength, MPa 340 to 510
150
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 750 to 1000
500
Tensile Strength: Yield (Proof), MPa 580 to 910
270

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 780
1100
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.4
4.4
Embodied Energy, MJ/kg 34
63
Embodied Water, L/kg 110
200

Common Calculations

PREN (Pitting Resistance) 15
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
48
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 2100
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 36
18
Strength to Weight: Bending, points 23 to 28
18
Thermal Diffusivity, mm2/s 6.7
3.9
Thermal Shock Resistance, points 27 to 36
11

Alloy Composition

Carbon (C), % 0 to 0.050
0.2 to 0.6
Chromium (Cr), % 12 to 14
24 to 28
Iron (Fe), % 78.5 to 84.2
44.8 to 57.8
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0.3 to 0.7
0 to 0.5
Nickel (Ni), % 3.5 to 4.5
18 to 22
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040