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ASTM Grade HP Steel vs. EN 1.4611 Stainless Steel

Both ASTM grade HP steel and EN 1.4611 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.4611 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 5.1
21
Fatigue Strength, MPa 130
180
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 490
530
Tensile Strength: Yield (Proof), MPa 260
280

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 440
530
Maximum Temperature: Mechanical, °C 1100
970
Melting Completion (Liquidus), °C 1370
1440
Melting Onset (Solidus), °C 1330
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
21
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 34
11
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.8
2.5
Embodied Energy, MJ/kg 82
36
Embodied Water, L/kg 220
140

Common Calculations

PREN (Pitting Resistance) 27
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
91
Resilience: Unit (Modulus of Resilience), kJ/m3 170
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 3.2
5.7
Thermal Shock Resistance, points 11
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.35 to 0.75
0 to 0.030
Chromium (Cr), % 24 to 28
19 to 22
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 29.2 to 42.7
73.3 to 80.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 33 to 37
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.050
Titanium (Ti), % 0
0.2 to 1.0