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AISI 202 Stainless Steel vs. ASTM A387 Grade 5 Steel

Both AISI 202 stainless steel and ASTM A387 grade 5 steel are iron alloys. They have 73% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 202 stainless steel and the bottom bar is ASTM A387 grade 5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
20 to 21
Fatigue Strength, MPa 290 to 330
160 to 240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 490 to 590
310 to 380
Tensile Strength: Ultimate (UTS), MPa 700 to 980
500 to 600
Tensile Strength: Yield (Proof), MPa 310 to 580
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 910
510
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
4.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.7
Embodied Energy, MJ/kg 40
23
Embodied Water, L/kg 150
69

Common Calculations

PREN (Pitting Resistance) 20
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 840
140 to 320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 35
18 to 21
Strength to Weight: Bending, points 23 to 29
18 to 20
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 15 to 21
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 17 to 19
4.0 to 6.0
Iron (Fe), % 63.5 to 71.5
92.1 to 95.3
Manganese (Mn), % 7.5 to 10
0.3 to 0.6
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025

Comparable Variants