See Stainless Steel Tolerances

Stainless Round Bar 13-8 offers excellent strength, high hardness, superior toughness, and good corrosion resistance. 13-8 also exhibits good ductility and machining characteristics in the annealed state. It is typically used in aircraft frames, other aerospace applications, petrochemical and nuclear plants.

shape Image

Dimension Name


Alloy 13-8
Temper Condition A
Production Method Hot Rolled Rough Turned
Diameter 4.5
Max Length 144
MTR Availability Yes
Material Stainless Steel
Shape Bar-Round
Custom Cut Warehouse 1

Weight/Lineal Foot

54.75 pounds
Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.

Mechanical Properties

Property Value
Brinell Hardness 3000 kg ball 363 max
Rockwell Hardness C scale 39 max
Density g/cm^3 7
Melting Point °F 2570 - 2650
Elongation Typical %
Modulus of Elasticity KSI x 10^3 28
Specific Heat BTU/lb-°F (32-212F) 1
Thermal Conductivity BTU-in/hr-ft^2-°F 111
Tensile Strength KSI 175 max

Chemistry Information: 13-8 Stainless Steel

Element Percentage
Al 0.9 - 1.35
C 0.05 max
Cr 12.25 - 13.25
Fe 76
Mn 0.1 max
Ni 7.5 - 8.5
Mo 2 - 2.5
N 0.01 max
P Max - 0.01
Si 0.1 max
S 0.008 max
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