Applications

Application pages built around real industrial parts.

Use these pages to match application, grade, delivery condition, processing route, testing, and RFQ detail before pricing discussion.

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JOTAIN threaded steel rod application parts

Hydraulic Cylinder Rods

Steel bars for piston rods, cylinder rods, and guide rods where strength, straightness, machining, and surface route matter.

Common grade focus: 42CrMo4 / 4140, CK45 / 1045, 40Cr.

Straightness and sizeDelivery conditionSurface preparation

Shaft Bars

Round bars for motor shafts, gear shafts, transmission shafts, and other rotating parts.

Common grade focus: 42CrMo4 / 4140, 40Cr, 34CrNiMo6, CK45 / 1045.

Fatigue resistanceMachinabilityQT condition

Fasteners and Threaded Rods

Bars for bolts, stud bolts, tie rods, threaded rods, and load-bearing threaded components.

Common grade focus: 42CrMo4 / 4140, 35CrMo, 40Cr.

Threading routeMechanical targetSurface treatment

Grinding Rods

Wear-oriented steel rods for rod mills, mining, cement, and other grinding applications.

Common grade focus: 65Mn, 40Cr depending on project.

Rod sizeHardness targetHeat treatment route

Heavy Machinery

Steel bars for high-load machinery parts, wind, marine, mining, oil equipment, and industrial assemblies.

Common grade focus: 34CrNiMo6, 42CrMo4 / 4140, 35CrMo, 40Cr.

Load applicationInspection planProcessing route

RFQ

Match your part route to the right grade and condition.

Include delivery condition, processing requirement, destination port, testing requirements, and certificate expectations so the supply route can be reviewed clearly.

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