MakeItFrom.com
Menu (ESC)

ASTM A387 Grade 91 Class 2 vs. EN 1.4865 Stainless Steel

Both ASTM A387 grade 91 class 2 and EN 1.4865 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 91 class 2 and the bottom bar is EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
6.8
Fatigue Strength, MPa 330
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 670
470
Tensile Strength: Yield (Proof), MPa 470
250

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 600
1020
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
33
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.6
5.8
Embodied Energy, MJ/kg 37
81
Embodied Water, L/kg 88
200

Common Calculations

PREN (Pitting Resistance) 13
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
27
Resilience: Unit (Modulus of Resilience), kJ/m3 580
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
16
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 6.9
3.1
Thermal Shock Resistance, points 19
11

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Carbon (C), % 0.080 to 0.12
0.3 to 0.5
Chromium (Cr), % 8.0 to 9.5
18 to 21
Iron (Fe), % 87.3 to 90.3
34.4 to 44.7
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.85 to 1.1
0 to 0.5
Nickel (Ni), % 0 to 0.4
36 to 39
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.2 to 0.5
1.0 to 2.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0