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ASTM Grade HP Steel vs. EN 1.4982 Stainless Steel

Both ASTM grade HP steel and EN 1.4982 stainless steel are iron alloys. They have 63% 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 1.4982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 5.1
28
Fatigue Strength, MPa 130
420
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 490
750
Tensile Strength: Yield (Proof), MPa 260
570

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 440
540
Maximum Temperature: Mechanical, °C 1100
860
Melting Completion (Liquidus), °C 1370
1430
Melting Onset (Solidus), °C 1330
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
13
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 34
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.8
4.9
Embodied Energy, MJ/kg 82
71
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 27
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
190
Resilience: Unit (Modulus of Resilience), kJ/m3 170
830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
27
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 3.2
3.4
Thermal Shock Resistance, points 11
17

Alloy Composition

Boron (B), % 0
0.0030 to 0.0090
Carbon (C), % 0.35 to 0.75
0.070 to 0.13
Chromium (Cr), % 24 to 28
14 to 16
Iron (Fe), % 29.2 to 42.7
61.8 to 69.7
Manganese (Mn), % 0 to 2.0
5.5 to 7.0
Molybdenum (Mo), % 0 to 0.5
0.8 to 1.2
Nickel (Ni), % 33 to 37
9.0 to 11
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Vanadium (V), % 0
0.15 to 0.4