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ASTM Grade HT Steel vs. S35000 Stainless Steel

Both ASTM grade HT steel and S35000 stainless steel are iron alloys. They have 67% 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 ASTM grade HT steel and the bottom bar is S35000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.6
2.3 to 14
Fatigue Strength, MPa 130
380 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 500
1300 to 1570
Tensile Strength: Yield (Proof), MPa 270
660 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 1010
900
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
14
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
3.2
Embodied Energy, MJ/kg 76
44
Embodied Water, L/kg 190
130

Common Calculations

PREN (Pitting Resistance) 18
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
28 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1070 to 3360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
46 to 56
Strength to Weight: Bending, points 18
34 to 38
Thermal Diffusivity, mm2/s 3.2
4.4
Thermal Shock Resistance, points 12
42 to 51

Alloy Composition

Carbon (C), % 0.35 to 0.75
0.070 to 0.11
Chromium (Cr), % 15 to 19
16 to 17
Iron (Fe), % 38.2 to 51.7
72.7 to 76.9
Manganese (Mn), % 0 to 2.0
0.5 to 1.3
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.2
Nickel (Ni), % 33 to 37
4.0 to 5.0
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.030