Custom Grey Iron HT250 ASTM Class 40 Spoked Flat Belt Pulley Sand Casting for Agricultural Tractor Farm Drives
Direct factory support
Get a quote that fits your project
Send your drawing or product reference, material grade and required quantity. Relia will review the requirements with you.
- Drawing & specification review
Confirm the supply scope and critical requirements.
- Samples before custom production
Review inspected samples before approving a batch.
- Inspection documents
Agree material and dimensional records for your part.
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Sizeas per drawing
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Surface Treatmentas per drawingMaterialsas per drawing
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Product nameCast iron handwheel,Custom cast flywheel,spoked hand wheelMaterialGray Iron HT250 / ASTM Class 40
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Alternative MaterialDuctile Iron QT450ApplicationMachine Tool, Valve, Transmission Equipment
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ProcessCasting +Machining(if Need)+surface TreatmentQuality ControlMT/UT/RT+CMM
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StandardASTM,AISI,DIN,BS,JIS,NF,AS,AARFinishSand Blasting, Black Anti rust Paint
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ServiceOEM ODM CustomisedInspectionVisual Check, PT Penetration Testing, CMM Dimensional Inspection
A spoked flat-belt pulley for an agricultural tractor or farm implement needs a drawing that defines its drive function. Gray-iron selections include HT250 and ASTM Class 40, with QT450 ductile iron available as a separate material request. Specify the complete governing grade for the chosen casting.
Describe the belt and shaft connections
Show the belt-contact geometry, bore, hub and connections to adjacent drive components. Identify which dimensions control alignment and assembly. Provide the operating speed, loads and environment needed to establish the design’s acceptance requirements; these should accompany the selected material rather than follow from the application name.
Choose the actual rotating component
Handwheel, flywheel and spoked-handwheel requests are also included. Identify the exact component being ordered and its function in machine-tool, valve or transmission equipment. Casting can be followed by machining where needed and the selected surface treatment, with dimensions and treatment boundaries taken from the drawing.
- Define sand-blasted areas and black anti-rust paint coverage.
- Mark the datums for CMM dimensional inspection.
- Assign visual checks and PT penetration testing to relevant acceptance criteria.
- Specify any required MT, UT or RT examination and its coverage.
Make standards and approval specific
OEM/ODM enquiries can reference ASTM, AISI, DIN, BS, JIS, NF, AS or AAR documents. Name the actual document, edition and applicable requirement. Agree material, dimensional and inspection records for the selected pulley or other rotating part, keeping the approved drawing revision attached to the order.





