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S17400 Stainless Steel vs. ASTM Grade HC Steel

Both S17400 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 (5, in this case) are not shown.

For each property being compared, the top bar is S17400 stainless steel and the bottom bar is ASTM grade HC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 21
6.0
Fatigue Strength, MPa 380 to 670
96
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
430
Tensile Strength: Yield (Proof), MPa 580 to 1250
200

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 850
1100
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 17
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
14
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 39
40
Embodied Water, L/kg 130
170

Common Calculations

PREN (Pitting Resistance) 16
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
21
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4060
95
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 32 to 49
16
Strength to Weight: Bending, points 27 to 35
16
Thermal Diffusivity, mm2/s 4.5
4.5
Thermal Shock Resistance, points 30 to 46
14

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.5
Chromium (Cr), % 15 to 17
26 to 30
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 70.4 to 78.9
61.9 to 74
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 3.0 to 5.0
0 to 4.0
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040