01Heat
Manufacturing Capability
Processing routes selected around grade, condition, and downstream use.
JOTAIN supports customers with coordinated production routes covering heat treatment, bar processing, surface finishing, threading, forging, casting, and machining. Depending on project requirements, supply can begin from raw round bars and extend to semi-finished products and finished industrial components.
Configure your production route
Production route
How a finished bar moves through the route
Buyer route worksheet
Configure your production route
Build an RFQ-ready route by selecting the heat-treatment condition, surface processing, inspection scope, and packing approach you want JOTAIN to review.
Representative production route
From heat to finished bar
Follow a representative route from heated input through rolling, sizing, and cooling, then into JOTAIN's downstream heat treatment, bar processing, inspection, and export preparation.
Owned heat-treatment capability
Inside the induction Q&T line
These photographs show JOTAIN's long-bar heat-treatment line. The sequence follows one representative bar through induction heating, quenching, tempering, and transfer.
Each route is matched to the confirmed grade, diameter, delivery condition, and purchase specification.
JOTAIN long-bar heat-treatment line.
Driven rollers rotate and advance the bar.
Transfer racks stage long bars.
Illustrative line sequence
How one bar moves through Q&T
The photographs are factory evidence; the simplified motion explains each station.
01 / Load
Load and align
Transfer racks align round bars for the selected route.Bar processing
From rolled surface to bright bar
This sequence shows the principle of bar-to-bar peeling: support and center the rolled bar, remove an agreed surface allowance, collect chips, and transfer the bright bar.
The drawing explains the process principle. The applicable equipment and route are confirmed against each order.
Illustrative processing sequence
How peeling prepares the surface
Driven rolls feed the bar through a rotating cutter head. The removed surface becomes chips while the bright bar continues to the next agreed operation.
01 / Load
Load and support
Transfer racks stage the rolled bar for controlled feeding.Inspection & release
From bright bar to verified release
Inspection turns order requirements into recorded checks. This representative route follows bar identification, ultrasonic testing, dimensional checks, and release for packing.
Methods, acceptance criteria, coverage, and records are confirmed for each order.
Illustrative inspection sequence
How inspection builds the release record
The bar is identified, scanned, measured, and linked to the required inspection results before transfer.
01 / Identify
Identify the bar
The bar identity is matched to the order and traceability reference.Packing & export staging
From released bar to shipment-ready bundle
Packing turns the confirmed order into a handling and identity plan. This representative route follows surface protection when specified, alignment, bundling, strapping, marking, and staging for shipment.
Bundle format, protection, handling limits, marks, documents, and destination requirements are confirmed for each order.
Illustrative packing sequence
How individual bars become a shipment unit
Released bars are protected as specified, gathered, secured, identified, and moved to the agreed staging area.
01 / Protect
Protect the surfaces
Rust-prevention or other surface protection is applied when specified for the product, route, and shipment.Production route
Processing support
QT heat treatment
Where the order calls for QT condition, controlled heating, quenching, and tempering establish the specified delivery route.
Peeling and machining
Peeling and machining preparation can remove surface scale and establish the agreed allowance, diameter, or finish for the next operation.
UT and dimensional inspection
Ultrasonic testing and dimensional checks are applied when specified, with the required acceptance criteria and records confirmed for the order.
Packing and export staging
Accepted bars are bundled, identified, protected as agreed, and staged with the order documentation for dispatch.
Manufacturing Inquiry
Send the route details needed for production review.
Include grade, size, quantity, delivery condition, processing requirement, inspection needs, destination, and drawings when available.
- Required grade standard and acceptable cross-reference grades
- Diameter, length, and quantity
- Delivery condition and surface condition
- Application, inspection requirements, and destination