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S35140 Stainless Steel vs. ASTM Grade HH Steel

Both S35140 stainless steel and ASTM grade HH steel are iron alloys. They have 84% 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 S35140 stainless steel and the bottom bar is ASTM grade HH steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
11
Fatigue Strength, MPa 250
150
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 690
580
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 500
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
14
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
20
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.5
3.7
Embodied Energy, MJ/kg 78
53
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 28
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
53
Resilience: Unit (Modulus of Resilience), kJ/m3 250
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 3.7
3.8
Thermal Shock Resistance, points 16
12

Alloy Composition

Carbon (C), % 0 to 0.1
0.2 to 0.5
Chromium (Cr), % 20 to 22
24 to 28
Iron (Fe), % 44.1 to 52.7
52.9 to 64.8
Manganese (Mn), % 1.0 to 3.0
0 to 2.0
Molybdenum (Mo), % 1.0 to 2.0
0 to 0.5
Nickel (Ni), % 25 to 27
11 to 14
Niobium (Nb), % 0.25 to 0.75
0
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040