Specify the delivered rod
JOTAIN supplies finished, heat-treated 65Mn grinding rods. Send the rod diameter, ordered length and mill duty; alternative materials need a separate technical review.
Grinding rod enquiry checklist (English PDF) →
Component route 03
Heat-Treated Grinding Rods for Rod Mills
JOTAIN supplies heat-treated grinding rods for rod mills, with straightening, fixed-length cutting, inspection, marking and export packing.
Wear-oriented steel bar supply for grinding rods and rod-type parts that need a practical balance of hardness and toughness.
Product supply
Heat-treated grinding rods, ready for your rod-mill specification
JOTAIN supplies grinding rods in a regular diameter range of 60–160 mm, with heat treatment, straightening, fixed-length cutting, inspection, marking and export packing.
Agree the heat-treatment result
Agree dimensional tolerances, straightness and hardness requirements, including test method and locations. Record the accepted specification and lot identification in the order.
Review rod inspection and traceability →Compare performance in your mill
Use matched operating periods to compare consumption in kg/t, breakage and bending. The trial ledger records your measurements; it does not represent a published JOTAIN performance result.
Open the grinding rod trial ledger →Request a quotation
Send rod diameter, length, quantity, current material, mill duty, inspection requirements and destination.
Supply requirements
Grinding rods matched to rod-mill operating conditions.
Start with rod dimensions, current consumption, breakage or bending history, and the mill's operating duty.
- 01ComponentGrinding rods
- 02Grade65Mn
- 03ConditionQ&T
- 04InspectionHardness response
- 05RFQRod size + destination
Duty inputs
What controls the part
- Mill duty
- Current rod consumption
- Breakage and bending
- Material route
Candidate grades
Material routes to review
- 65MnPrimary published grinding-rod material route.
- 40CrAlternative route for defined mill duty and target performance.
- Defined Cr-Mo routeDefine chemistry, heat treatment and trial controls together.
Supply and release
Condition before quotation
- Supply stages
- Q&T · Straightened · Fixed length
- Inspection
- Hardness response · Straightness and length · Surface condition
Grinding rod supply and mill context.
Product and mill images show rod form, bundle preparation and the operating setting used for specification review.
Heat-treated rod supply can be matched to diameter, length, and application condition.
Batch planning and cut-to-length routes can be reviewed for industrial use.
Material selection should be reviewed against wear profile, replacement frequency, and operating conditions.
Wide-format material handling images help show batch supply and handling routes.
Batch and delivery-state planning can be organized around reviewed service requirements.
Real application environment helps connect material selection with wear profile review.
RFQ checks
Common grinding rod questions.
Buyers typically discuss diameter, length, grade, hardness test method, straightness, documents and trial quantity.
Can one trial batch establish a repeatable grinding rod performance result?
No. A controlled trial supports comparison within its recorded operating window. It does not guarantee wear rate, breakage, bending, service life, throughput, or cost in a different period, mill condition, feed, or replacement practice.
How should buyers specify hardness for grinding rods?
State the required range, scale and test method, test position, sampling frequency, heat-treatment condition, acceptance basis, and whether the results must appear in the inspection record. Do not use hardness alone as a service-life acceptance criterion.
Which documents are useful for grinding rod orders?
Useful documents may include certificate / MTC, heat number traceability, hardness or mechanical verification if specified, dimensional inspection, packing list, marking records, shipment documents, and third-party inspection records when requested.
When should a buyer use the grinding rod wear-diagnosis page instead?
Use the wear-diagnosis page when the immediate task is to classify mass loss, breakage, bending, inconsistent hardness, short life, replacement burden, or downtime and to freeze a comparable baseline. Return here when those findings are ready for a commercial material, inspection, packing, and RFQ specification.
Technical references
Grinding rod material, testing and RFQ guides.
Technical notes for comparing material routes and preparing a controlled mill trial.
Diagnose grinding rod wear and operating problemsUse the operating-diagnosis route for wear loss, breakage, bending, short life, downtime, baseline, and controlled-trial review.65Mn grinding rod steel barReview 65Mn / SUP6 / 66Mn4 as one hardness-oriented route for grinding rod supply.Grinding rod material selectionReview material route, heat treatment, wear profile, and operating condition.
Component RFQLock the route before quotation.
Send the part, grade or acceptable alternatives, size, condition, inspection scope, quantity and destination.