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EN 1.4945 Stainless Steel vs. ASTM Grade HC Steel

Both EN 1.4945 stainless steel and ASTM grade HC steel are iron alloys. They have 81% of their average alloy composition in common. There are 31 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 1.4945 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, % 19 to 34
6.0
Fatigue Strength, MPa 230 to 350
96
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 640 to 740
430
Tensile Strength: Yield (Proof), MPa 290 to 550
200

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 520
460
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1490
1410
Melting Onset (Solidus), °C 1440
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 14
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
14
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 5.0
2.8
Embodied Energy, MJ/kg 73
40
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 23
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
21
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
95
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 22 to 25
16
Strength to Weight: Bending, points 20 to 22
16
Thermal Diffusivity, mm2/s 3.7
4.5
Thermal Shock Resistance, points 14 to 16
14

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.5
Chromium (Cr), % 15.5 to 17.5
26 to 30
Iron (Fe), % 57.9 to 65.7
61.9 to 74
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 15.5 to 17.5
0 to 4.0
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
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 0.015
0 to 0.040
Tungsten (W), % 2.5 to 3.5
0