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EN 1.4537 Stainless Steel vs. ASTM Grade HT Steel

Both EN 1.4537 stainless steel and ASTM grade HT steel are iron alloys. They have 85% 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 EN 1.4537 stainless steel and the bottom bar is ASTM grade HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
150
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 42
4.6
Fatigue Strength, MPa 290
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 700
500
Tensile Strength: Yield (Proof), MPa 330
270

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 450
400
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1390
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 34
31
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 6.1
5.4
Embodied Energy, MJ/kg 84
76
Embodied Water, L/kg 220
190

Common Calculations

PREN (Pitting Resistance) 46
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
19
Resilience: Unit (Modulus of Resilience), kJ/m3 270
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 3.7
3.2
Thermal Shock Resistance, points 15
12

Alloy Composition

Carbon (C), % 0 to 0.020
0.35 to 0.75
Chromium (Cr), % 24 to 26
15 to 19
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 36.3 to 46.1
38.2 to 51.7
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 4.7 to 5.7
0 to 0.5
Nickel (Ni), % 24 to 27
33 to 37
Nitrogen (N), % 0.17 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 2.5
Sulfur (S), % 0 to 0.010
0 to 0.040