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Product Details, Specifications, and Technical Information

Cold Roll Round Bar 1144, also called "Stress Relieved" or "Stressproof®", has excellent strength, hardness, and it is easily machined. 1144 is also designed to resist warping during heat treatment. It is typically used in nuts, bolts, arbors, gears, pinions, piston rods, sleeves, shafts, and screws.
Stressproof is a trademark of LaSalle Steel Co.

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Dimension Name Specification
Diameter 5
Max Length 144
Alloy 13-8
Temper Condition A
MTR Availability Yes
Grade PH
Material Stainless Steel
Shape Bar-Round
Custom Cut Warehouse 1
Weight/Lineal Foot
64.8 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
Machinability % 36
Electrical Conductivity % IACS 2
Melting Point °F 2570 - 2650
Shear Strength KSI
Density g/cm^3 8
Ultimate Tensile Strength KSI 175 max
Rockwell Hardness C Scale 39 max
Brinell Hardness 3000 kg load 363 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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