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EN 1.4806 Stainless Steel vs. ASTM Grade HP Steel

Both EN 1.4806 stainless steel and ASTM grade HP steel are iron alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 91% of their average alloy composition in common. There are 30 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 1.4806 stainless steel and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8
5.1
Fatigue Strength, MPa 120
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 470
490
Tensile Strength: Yield (Proof), MPa 250
260

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Corrosion, °C 400
440
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1380
1370
Melting Onset (Solidus), °C 1340
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
12
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
34
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.4
5.8
Embodied Energy, MJ/kg 76
82
Embodied Water, L/kg 190
220

Common Calculations

PREN (Pitting Resistance) 18
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
21
Resilience: Unit (Modulus of Resilience), kJ/m3 160
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
17
Strength to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 3.1
3.2
Thermal Shock Resistance, points 11
11

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.35 to 0.75
Chromium (Cr), % 16 to 18
24 to 28
Iron (Fe), % 40.4 to 48.7
29.2 to 42.7
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 34 to 36
33 to 37
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.040