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ASTM Grade HH Steel vs. EN 1.4527 Stainless Steel

Both ASTM grade HH steel and EN 1.4527 stainless steel are iron alloys. They have 78% 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 HH steel and the bottom bar is EN 1.4527 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
40
Fatigue Strength, MPa 150
170
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 580
480
Tensile Strength: Yield (Proof), MPa 270
190

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1400
1410
Melting Onset (Solidus), °C 1360
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 20
32
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.7
5.6
Embodied Energy, MJ/kg 53
78
Embodied Water, L/kg 180
210

Common Calculations

PREN (Pitting Resistance) 27
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 53
150
Resilience: Unit (Modulus of Resilience), kJ/m3 190
95
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 3.8
4.0
Thermal Shock Resistance, points 12
12

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.060
Chromium (Cr), % 24 to 28
19 to 22
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 52.9 to 64.8
37.4 to 48.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
2.0 to 3.0
Nickel (Ni), % 11 to 14
27.5 to 30.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.030