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ASTM Grade HT Steel vs. EN 1.4568 Stainless Steel

Both ASTM grade HT steel and EN 1.4568 stainless steel are iron alloys. They have 70% 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 ASTM grade HT steel and the bottom bar is EN 1.4568 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.6
2.3 to 21
Fatigue Strength, MPa 130
220 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 500
830 to 1620
Tensile Strength: Yield (Proof), MPa 270
330 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 1010
890
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.4
2.8
Embodied Energy, MJ/kg 76
40
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 18
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
36 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 180
290 to 5710
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
30 to 58
Strength to Weight: Bending, points 18
25 to 40
Thermal Diffusivity, mm2/s 3.2
4.3
Thermal Shock Resistance, points 12
23 to 46

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.5
Carbon (C), % 0.35 to 0.75
0 to 0.090
Chromium (Cr), % 15 to 19
16 to 18
Iron (Fe), % 38.2 to 51.7
70.9 to 76.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
6.5 to 7.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.5
0 to 0.7
Sulfur (S), % 0 to 0.040
0 to 0.015