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EN 1.4374 Stainless Steel vs. ASTM Grade HC Steel

Both EN 1.4374 stainless steel and ASTM grade HC steel are iron alloys. They have 87% 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 1.4374 stainless steel and the bottom bar is ASTM grade HC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
6.0
Fatigue Strength, MPa 340
96
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 800
430
Tensile Strength: Yield (Proof), MPa 400
200

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1400
1410
Melting Onset (Solidus), °C 1360
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
14
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 42
40
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 23
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
21
Resilience: Unit (Modulus of Resilience), kJ/m3 400
95
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 29
16
Strength to Weight: Bending, points 25
16
Thermal Diffusivity, mm2/s 4.0
4.5
Thermal Shock Resistance, points 17
14

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.5
Chromium (Cr), % 17.5 to 18.5
26 to 30
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 63.5 to 67.9
61.9 to 74
Manganese (Mn), % 9.0 to 10
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 5.0 to 6.0
0 to 4.0
Nitrogen (N), % 0.25 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040