MakeItFrom.com
Menu (ESC)

AISI 204 Stainless Steel vs. S43940 Stainless Steel

Both AISI 204 stainless steel and S43940 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 33 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 204 stainless steel and the bottom bar is S43940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 330
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23 to 39
21
Fatigue Strength, MPa 320 to 720
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 500 to 700
310
Tensile Strength: Ultimate (UTS), MPa 730 to 1100
490
Tensile Strength: Yield (Proof), MPa 380 to 1080
280

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
540
Maximum Temperature: Mechanical, °C 850
890
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.6
Embodied Energy, MJ/kg 35
38
Embodied Water, L/kg 130
120

Common Calculations

PREN (Pitting Resistance) 20
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240 to 250
86
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 2940
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 40
18
Strength to Weight: Bending, points 24 to 31
18
Thermal Diffusivity, mm2/s 4.1
6.8
Thermal Shock Resistance, points 16 to 24
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 15 to 17
17.5 to 18.5
Iron (Fe), % 69.6 to 76.4
78.2 to 82.1
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Nickel (Ni), % 1.5 to 3.0
0
Niobium (Nb), % 0
0.3 to 0.6
Nitrogen (N), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.1 to 0.6