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AISI 334 Stainless Steel vs. AISI 204 Stainless Steel

Both AISI 334 stainless steel and AISI 204 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 334 stainless steel and the bottom bar is AISI 204 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
210 to 330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
23 to 39
Fatigue Strength, MPa 150
320 to 720
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 360
500 to 700
Tensile Strength: Ultimate (UTS), MPa 540
730 to 1100
Tensile Strength: Yield (Proof), MPa 190
380 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 490
410
Maximum Temperature: Mechanical, °C 1000
850
Melting Completion (Liquidus), °C 1410
1410
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.1
2.4
Embodied Energy, MJ/kg 59
35
Embodied Water, L/kg 170
130

Common Calculations

PREN (Pitting Resistance) 19
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
240 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 96
360 to 2940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
27 to 40
Strength to Weight: Bending, points 19
24 to 31
Thermal Shock Resistance, points 12
16 to 24

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 18 to 20
15 to 17
Iron (Fe), % 55.7 to 62.7
69.6 to 76.4
Manganese (Mn), % 0 to 1.0
7.0 to 9.0
Nickel (Ni), % 19 to 21
1.5 to 3.0
Nitrogen (N), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.6
0