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ASTM Grade HT Steel vs. S35135 Stainless Steel

Both ASTM grade HT steel and S35135 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HT steel and the bottom bar is S35135 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.6
34
Fatigue Strength, MPa 130
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 500
590
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Corrosion, °C 400
560
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
37
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 5.4
6.8
Embodied Energy, MJ/kg 76
94
Embodied Water, L/kg 190
220

Common Calculations

PREN (Pitting Resistance) 18
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
160
Resilience: Unit (Modulus of Resilience), kJ/m3 180
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
19
Thermal Shock Resistance, points 12
13

Alloy Composition

Carbon (C), % 0.35 to 0.75
0 to 0.080
Chromium (Cr), % 15 to 19
20 to 25
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 38.2 to 51.7
28.3 to 45
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
4.0 to 4.8
Nickel (Ni), % 33 to 37
30 to 38
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.5
0.6 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
0.4 to 1.0