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.

Dimension Name | Specification |
Thickness | 0.5 |
Width | 3.5 |
Max Length | 144 |
Alloy | 304 |
RoHS | Yes |
REACH | Yes |
MTR Availability | Yes |
Material | Stainless Steel |
Shape | Bar-Rectangle |
Custom Cut Warehouse | 1 |
This material meets the following specs: AMS -QQ-S-763, AMS -5639, AMS -5647, ASTM -A276, ASTM -A479, ASTM -F899, ASTM -A240(call for availability)
Weight/Lineal Foot | ||
6.09 pounds |
Mechanical Properties | |
Property | Value |
Ultimate Tensile Strength KSI | 85 |
Density g/cm^3 | 8 |
Brinell Hardness 3000 kg load | 195 max |
Yield Tensile Strength KSI | 35 |
Rockwell Hardness B Scale | 92 max |
Elongation % in 2 in. | 55 |
Shear Strength KSI | 56 |
Melting Point °F | 2550 - 2651 |
Machinability % | 40 |
Electrical Conductivity % IACS | 2 |
Chemistry Information: 304 Stainless Steel | |
Element | Percentage |
C | 0.08 max |
Cr | 20 |
Fe | 66.34 - 74 |
Ni | 8 - 10.5 |
Mn | 2 max |
P | 0.045 max |
S | 0.03 max |
Si | 1 max |