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EN 1.4923 Stainless Steel vs. ASTM Grade HP Steel

Both EN 1.4923 stainless steel and ASTM grade HP steel are iron alloys. They have 50% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4923 stainless steel and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 21
5.1
Fatigue Strength, MPa 300 to 440
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 870 to 980
490
Tensile Strength: Yield (Proof), MPa 470 to 780
260

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Corrosion, °C 380
440
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1450
1370
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
34
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
5.8
Embodied Energy, MJ/kg 41
82
Embodied Water, L/kg 100
220

Common Calculations

PREN (Pitting Resistance) 15
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
21
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 1580
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 35
17
Strength to Weight: Bending, points 26 to 28
17
Thermal Diffusivity, mm2/s 6.5
3.2
Thermal Shock Resistance, points 30 to 34
11

Alloy Composition

Carbon (C), % 0.18 to 0.24
0.35 to 0.75
Chromium (Cr), % 11 to 12.5
24 to 28
Iron (Fe), % 83.5 to 87.1
29.2 to 42.7
Manganese (Mn), % 0.4 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.2
0 to 0.5
Nickel (Ni), % 0.3 to 0.8
33 to 37
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.040
Vanadium (V), % 0.25 to 0.35
0