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ASTM Grade HP Steel vs. EN 1.4436 Stainless Steel

Both ASTM grade HP steel and EN 1.4436 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 30 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 ASTM grade HP steel and the bottom bar is EN 1.4436 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 5.1
42
Fatigue Strength, MPa 130
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 490
620
Tensile Strength: Yield (Proof), MPa 260
240

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1370
1450
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 34
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.8
3.9
Embodied Energy, MJ/kg 82
54
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 27
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
210
Resilience: Unit (Modulus of Resilience), kJ/m3 170
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 11
14

Alloy Composition

Carbon (C), % 0.35 to 0.75
0 to 0.050
Chromium (Cr), % 24 to 28
16.5 to 18.5
Iron (Fe), % 29.2 to 42.7
62.3 to 70.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.0
Nickel (Ni), % 33 to 37
10.5 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015