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EN 1.4515 Stainless Steel vs. ASTM Grade HP Steel

Both EN 1.4515 stainless steel and ASTM grade HP steel are iron alloys. They have 69% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4515 stainless steel and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
5.1
Fatigue Strength, MPa 380
130
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 730
490
Tensile Strength: Yield (Proof), MPa 550
260

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
34
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
5.8
Embodied Energy, MJ/kg 53
82
Embodied Water, L/kg 180
220

Common Calculations

PREN (Pitting Resistance) 38
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
21
Resilience: Unit (Modulus of Resilience), kJ/m3 730
170
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 4.3
3.2
Thermal Shock Resistance, points 20
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.75
Chromium (Cr), % 24.5 to 26.5
24 to 28
Copper (Cu), % 0.8 to 1.3
0
Iron (Fe), % 58.4 to 66.6
29.2 to 42.7
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.5
Nickel (Ni), % 5.5 to 7.0
33 to 37
Nitrogen (N), % 0.12 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.5
Sulfur (S), % 0 to 0.020
0 to 0.040