G3 Business News: Fastener users often reflect why stainless steel fasteners sometimes have problems with locking. However, when using carbon steel fasteners, similar phenomenon does not occur frequently. Is it because of the material of stainless steel fasteners? Why are soft and carbon steel fasteners relatively hard? Yes! Stainless steel and carbon steel are fundamentally different. Stainless steel has good ductility, but its hardness is somewhat different from that of carbon steel. However, this argument can only be said to be half right. Shenzhen Jiang Weixin tells you with years of experience.
According to a comprehensive report by G3 Business News, lockups often occur on fasteners made of stainless steel, aluminum alloys, and titanium alloys. These types of metal alloys are inherently rust-resistant and can create a layer of metal on the surface when damaged. A thin oxide layer prevents further deeper rust.
When the stainless steel fasteners are locked, the pressure and heat generated between the dents will destroy and wipe off the chromium oxide layer between them, causing the metal teeth to directly block/crack, and sticking. When the sticking phenomenon continues (usually no more than one complete tooth diameter), the stainless steel fasteners will be completely locked and can no longer be removed or locked. Usually this series of blocking→shearing→adhesion→locking takes place in a matter of seconds. Therefore, understanding the characteristics of stainless steel products and following the correct operating procedures are the first to prevent stainless steel fasteners from locking up. step.
How do we prevent stainless steel screws from locking up? Shenzhen Jiangweixin tells you through years of experience.
Many users will encounter stainless steel screws and nuts in the process of screwing in, the reason is nothing more than 304 (or 316) this material is more ductile and sticky, this we can from turning It is evident from the process that experienced teachers will find that when the 304/316 bar stock is being processed by the car, the chips are extruded and wrinkled, and other materials such as brass or iron are shown during the cutting process. Debris or filamentous.
If a power tool is used to fast-in, or when the stainless steel screw and nut are subjected to a large torque, the threaded contact area starts to heat, and a certain contact point is blocked to drive a large piece. As a result, the internal thread and the external thread are bonded together. Locking occurs, and this set of bolts is scrapped. Of course, it may also cause the entire installed workpiece to become defective.
Summarizes ways to effectively reduce or completely avoid the occurrence of stainless steel screw locks during installation and use. We control thread protection in semi-finished ivory and finished product transport packages (even if the threads are damaged If the tooth peak does not affect the anti-locking program). No matter if the user uses a power tool or an overload torque or a stainless steel screw and a nylon lock nut are screwed in at a high speed, no lock is generated, and it is used like a carbon steel. The user can minimize or even avoid the loss without changing the installation tool and installation method during use.
Of course, the cost of this stainless steel screw anti-locking solution is controllable and low, with only a small additional cost or little increase in cost.