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EN 1.4961 Stainless Steel vs. ASTM Grade HP Steel

Both EN 1.4961 stainless steel and ASTM grade HP steel are iron alloys. They have 66% 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 EN 1.4961 stainless steel and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
5.1
Fatigue Strength, MPa 190
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 610
490
Tensile Strength: Yield (Proof), MPa 220
260

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 510
440
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1430
1370
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 21
34
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.0
5.8
Embodied Energy, MJ/kg 57
82
Embodied Water, L/kg 140
220

Common Calculations

PREN (Pitting Resistance) 16
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
21
Resilience: Unit (Modulus of Resilience), kJ/m3 120
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 4.3
3.2
Thermal Shock Resistance, points 14
11

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.35 to 0.75
Chromium (Cr), % 15 to 17
24 to 28
Iron (Fe), % 65.6 to 72.3
29.2 to 42.7
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 12 to 14
33 to 37
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.040