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ASTM A387 Grade 11 Steel vs. AISI 202 Stainless Steel

Both ASTM A387 grade 11 steel and AISI 202 stainless steel are iron alloys. They have 70% 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 ASTM A387 grade 11 steel and the bottom bar is AISI 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
14 to 45
Fatigue Strength, MPa 200 to 250
290 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 320 to 390
490 to 590
Tensile Strength: Ultimate (UTS), MPa 500 to 600
700 to 980
Tensile Strength: Yield (Proof), MPa 270 to 350
310 to 580

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 430
910
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.8
Embodied Energy, MJ/kg 21
40
Embodied Water, L/kg 53
150

Common Calculations

PREN (Pitting Resistance) 3.1
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
250 to 840
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 21
25 to 35
Strength to Weight: Bending, points 18 to 20
23 to 29
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 15 to 18
15 to 21

Alloy Composition

Carbon (C), % 0.050 to 0.17
0 to 0.15
Chromium (Cr), % 1.0 to 1.5
17 to 19
Iron (Fe), % 96.2 to 97.6
63.5 to 71.5
Manganese (Mn), % 0.4 to 0.65
7.5 to 10
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.060
Silicon (Si), % 0.5 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030

Comparable Variants