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ASTM Grade HP Steel vs. EN 1.4565 Stainless Steel

Both ASTM grade HP steel and EN 1.4565 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HP steel and the bottom bar is EN 1.4565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 5.1
35
Fatigue Strength, MPa 130
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
81
Tensile Strength: Ultimate (UTS), MPa 490
880
Tensile Strength: Yield (Proof), MPa 260
480

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1370
1420
Melting Onset (Solidus), °C 1330
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
12
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 34
28
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.8
5.4
Embodied Energy, MJ/kg 82
74
Embodied Water, L/kg 220
210

Common Calculations

PREN (Pitting Resistance) 27
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
260
Resilience: Unit (Modulus of Resilience), kJ/m3 170
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
31
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 3.2
3.2
Thermal Shock Resistance, points 11
21

Alloy Composition

Carbon (C), % 0.35 to 0.75
0 to 0.030
Chromium (Cr), % 24 to 28
24 to 26
Iron (Fe), % 29.2 to 42.7
41.2 to 50.7
Manganese (Mn), % 0 to 2.0
5.0 to 7.0
Molybdenum (Mo), % 0 to 0.5
4.0 to 5.0
Nickel (Ni), % 33 to 37
16 to 19
Niobium (Nb), % 0
0 to 0.15
Nitrogen (N), % 0
0.3 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015