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AISI 334 Stainless Steel vs. AISI 302 Stainless Steel

Both AISI 334 stainless steel and AISI 302 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 302 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
4.5 to 46
Fatigue Strength, MPa 150
210 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 360
400 to 830
Tensile Strength: Ultimate (UTS), MPa 540
580 to 1430
Tensile Strength: Yield (Proof), MPa 190
230 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 490
410
Maximum Temperature: Mechanical, °C 1000
710
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
15
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
3.0
Embodied Energy, MJ/kg 59
42
Embodied Water, L/kg 170
140

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
59 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 96
140 to 3070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
21 to 51
Strength to Weight: Bending, points 19
20 to 36
Thermal Shock Resistance, points 12
12 to 31

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 18 to 20
17 to 19
Iron (Fe), % 55.7 to 62.7
67.9 to 75
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 19 to 21
8.0 to 10
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.6
0