A connecting strip is the quiet link in a current path — when it corrodes, loosens or resists too much, the whole circuit suffers. Graphite strips carry current where metal cannot survive the heat. This article covers four specs that keep a connecting strip reliable.
Jiecheng Graphite (since 2003) machines connecting strips to spec, and confirms grade and finish in writing.
Four specs that protect the current path
Grade sets resistivity and temperature limit. Cross-section carries the current. Surface finish controls contact resistance. And the fit of the joint prevents hot spots. Confirm all four and the strip carries current cleanly and predictably.
· Grade — resistivity and temperature rating
· Cross-section — sized to the current
· Finish — low contact resistance
· Fit — tight joint with no hot spots
Where connecting strips are used
Connecting strips link electrodes, heaters and bus bars in hot zones and electrochemical duty. Confirm the current, temperature and joint design before ordering.
· Heater and electrode connections
· Bus-bar and current-path links
· Furnace and electrochemical joints
· Ground and bonding strips
What to specify before you buy
Send the current, cross-section, temperature and joint type. Jiecheng Graphite machines strips in its 3,000 m² Dalang plant and ships worldwide.
Spec | What to confirm | Why it matters |
Grade | Resistivity | Sets efficiency |
Section | Area size | Carries current |
Finish | Ra value | Cuts resistance |
Fit | Joint gap | Stops hotspots |
Buying checklist
1. Send current, section and temperature
2. Confirm grade and resistivity
3. Specify finish and joint fit
4. Request inspection per batch
5. Freeze the strip spec
FAQ
Why does my strip overheat?
Undersized section or high contact resistance; confirm both.
What grade carries current best?
A grade with low resistivity; confirm the value for your load.
How do I prevent hot spots?
Ensure a tight joint and a clean, low-resistance finish.
Making the current path reliable
A connecting strip earns its keep quietly until it fails. Confirm the current, cross-section and joint before ordering, and check the finish for low contact resistance. Jiecheng Graphite machines strips to the current you name and documents resistivity, so the path stays clean and predictable.
· Confirm current and cross-section
· Check finish for contact resistance
· Document resistivity per batch
A reliable current path comes from grade, section, finish and fit. Jiecheng Graphite has made connecting strips since 2003 and keeps the spec for consistent re-orders.
