Ductile Iron Castings for industrial distribution, project purchasing and OEM supply, with material, finish and documentation agreed per quotation.
Custom iron castings convert a drawing or sample into repeatable metal components. Alloy grade, geometry, wall thickness, casting process, machining allowance, volume and inspection plan shape the manufacturing route.
Most parts in this range are made or adapted for a drawing, sample, mating interface and order program. The image on this page represents the product family; final geometry, material, finish, inspection and marking are confirmed in the quotation.
Ductile Iron Castings belongs to the made-to-requirement industrial component category. Material names, standards and coating descriptions below help buyers structure an RFQ; they are not a declaration that every offered configuration complies. Grade, edition, inspection level and acceptance criteria belong on the controlled drawing or purchase specification. (industry reference data, final values per drawing/quotation)
Gray iron, ductile iron, malleable iron, carbon steel, stainless steel and aluminum may be considered where the geometry and process permit. Each family has different casting, forming, machining, weldability, toughness and corrosion characteristics; substitutions require technical review.
Use the tensile strength, yield or proof strength, elongation, hardness, impact and heat-treatment requirements published for the selected material grade. Relevant properties differ by product form and test-piece basis. They describe material quality, not the capacity of the finished Ductile Iron Castings; final suitability depends on geometry, interfaces, manufacturing condition and verification.
Specify plain, zinc-coated, hot-dip galvanized, painted, passivated or another compatible finish by a recognized coating specification where applicable. Define preparation, appearance, restricted substances, repair rules, packaging and required inspection documents instead of relying on a color photograph.
| Reference | Standard name | How to use it |
|---|---|---|
| ASTM A48/A48M | Gray Iron Castings | Use as an RFQ reference only when applicable; edition, scope and acceptance evidence must be agreed. |
| ASTM A536 | Ductile Iron Castings | Use as an RFQ reference only when applicable; edition, scope and acceptance evidence must be agreed. |
| ISO 185 | Grey cast irons — Classification | Use as an RFQ reference only when applicable; edition, scope and acceptance evidence must be agreed. |
| ISO 1083 | Spheroidal graphite cast irons — Classification | Use as an RFQ reference only when applicable; edition, scope and acceptance evidence must be agreed. |
| ISO 8062-3 | Dimensional and geometrical tolerances for moulded parts | Use as an RFQ reference only when applicable; edition, scope and acceptance evidence must be agreed. |
| EN 10204 | Metallic products — Types of inspection documents | Use as an RFQ reference only when applicable; edition, scope and acceptance evidence must be agreed. |
Specification caution: naming a material, coating or dimensional standard does not create a product rating, approval, certification or warranty. Any required capacity, pressure class, temperature limit, listing or test must be confirmed for the exact quoted part. (industry reference data, final values per drawing/quotation)
Selection for Ductile Iron Castings should begin with drawing revision, material grade, critical dimensions, manufacturing route, surface finish, inspection plan, quantity and end-use environment. Keep required facts separate from supplier proposals so reviewers can see what is mandatory and what remains open. (industry reference data, final values per drawing/quotation)
| Decision | Information to provide | Why it matters |
|---|---|---|
| Interface and geometry | Drawing, nominal or actual dimensions, tolerances, mating components, clearances, orientation and accessible assembly space. | Prevents selection from a family name or image and allows the complete connection to be checked. |
| Service condition | Function, direction of forces, movement, vibration, indoor or outdoor exposure, moisture, chemicals and maintenance access. | Guides material, finish, locking, restraint and inspection choices without inventing an unverified rating. |
| Compliance route | Destination market, governing code, required standard edition, customer specification, marking and third-party approval needs. | Separates a generally suitable design from a configuration qualified for a regulated project. |
| Supply and quality | Quantity, release pattern, drawing revision, critical characteristics, sampling, traceability, packaging and documents. | Aligns manufacturing and inspection with the commercial requirement and repeat-order control. |
Ask the supplier to identify exclusions and assumptions in the quotation. Compare offers against the same revision and requirement list; a lower price is not comparable if material, coating, inspection, packaging or documentation scope differs. Final commercial values remain per quotation.
(industry reference data, final values per drawing/quotation)
Match labels, part identity, material or heat references where required, quantity and documents to the purchase order. Quarantine mixed, damaged, corroded or unidentifiable pieces instead of releasing them to installation.
Verify the actual mating dimensions, thread or connection form, contact surfaces, orientation and working clearance. Clean protective debris without removing functional coatings or altering critical edges.
Check the part number and drawing revision, inspect interfaces and protective surfaces, use compatible mating hardware and tools, align without forcing, and follow the equipment maker or project procedure. Field machining, welding, heating or coating repair requires explicit approval. Any torque, clearance, sealant, gasket, lubrication or locking value must come from the approved instruction for the exact product.
Record completion where the quality plan requires it. Inspect for seating, alignment, locking, leakage where relevant, coating damage and interference. Establish service checks from the system risk assessment and replace parts that fail the applicable acceptance criteria.
Compare cast, forged, machined, stamped and fabricated routes by geometry, section consistency, tooling strategy, repeat volume, machining allowance, inspection access and required surface condition. Compatibility includes the mating dimensions, material couple, coating, fastener or seal system, installation method, inspection basis and service environment. (industry reference data, final values per drawing/quotation)
Best when an established size, connection and documented product scope match the application. Confirm the exact designation and do not extend published information to another variant.
Useful when the required function or interface differs. Review the whole assembly, because an alternative component can move forces, change clearances or require different accessories and installation controls.
Consider when geometry, material, marking, finish or packaging cannot be met by a standard item. Freeze the drawing, validation plan and change-control route before repeat production.
(industry reference data, final values per drawing/quotation)
No. The reference helps define material, dimensions, coating, test method or use practice within its own scope. Compliance requires the applicable edition, product configuration, acceptance criteria and agreed evidence. A standards list on a general webpage is not a certificate.
Name the material standard, grade, product form, heat-treatment condition where relevant, required inspection document and any supplementary tests. Use the values in the governing published standard rather than copying an isolated number. Finished-product capacity or performance still requires design and verification for the exact geometry.
Provide a legible drawing or complete dimensional description, application and mating parts, material and finish, quantity and release schedule, destination market, required standards, critical characteristics, marking, packaging and document needs. Identify any requirement that cannot change.
Only after technical and commercial review. A substitute can change strength, ductility, corrosion behavior, friction, thread fit, coating thickness, galvanic compatibility, manufacturing route and inspection evidence. Record an approved deviation before production.
Request verified data for the exact part number, revision, material, assembly orientation and mating components. The quotation or approved technical package should state the applicable basis. This page intentionally supplies no invented load, pressure, temperature or price values.
Check identity, quantity, revision, obvious damage, corrosion protection, critical dimensions and the documents named in the purchase order. Sampling, gauges and acceptance limits should be agreed in the quality plan. Keep nonconforming items segregated pending disposition.
A custom route is appropriate when the standard interface, geometry, material, finish, marking, inspection or packaging cannot satisfy the application. Provide annual demand and validation expectations so tooling, casting, forging, stamping, machining or fabrication options can be reviewed.
Reference the approved drawing revision and agreed specification, preserve approved samples or inspection records as appropriate, and require notification before material, process, tooling or supplier changes that affect critical characteristics. Reconfirm requirements after a design or application change.
ASTM A536 — Ductile Iron Castings covers spheroidal/nodular graphite iron and specifies grades through tensile, yield and elongation requirements. Grade choice balances strength, ductility and heat-treatment route; it is not valid to select the highest strength number automatically. ISO 1083 provides an international classification route. Define grade, section-sensitive requirements, heat treatment, microstructure checks if needed and machining zones on the drawing.
Review heavy sections for solidification behavior, feed paths and local matrix variation. Use ASTM A247 where graphite microstructure evaluation is contractually required. Finished capacity still needs design validation; coupon results alone cannot represent every casting location.
Research sources: ASTM A536 official scope; ASTM A247; ISO 1083. Accessed August 1, 2026.
Ductile Iron Castings for industrial distribution, project purchasing and OEM supply, with material, finish and documentation agreed per quotation.
| Product family | Custom Iron Castings |
|---|---|
| Supply route | Standard configuration or made to requirement |
| Materials & finish | Gray iron, ductile iron and malleable iron grades selected around strength, damping, machinability and service needs. |
| Applications | Machinery bases, housings, brackets, supports, counterweights and application-specific industrial parts. |
| Documentation | Inspection, traceability and shipment records agreed per quotation |
Define this requirement on the drawing or RFQ so the offered configuration can be checked.
Define this requirement on the drawing or RFQ so the offered configuration can be checked.
Define this requirement on the drawing or RFQ so the offered configuration can be checked.
Define this requirement on the drawing or RFQ so the offered configuration can be checked.
We review geometry, interfaces, service environment and critical characteristics before confirming the supply route.
Casting, forging, machining, stamping, fabrication and finishing are matched to part geometry and repeat volume.
Material checks, dimensional inspection, surface review and agreed records are defined around the quoted part.
Standards note: referenced standards, ratings and certifications vary by product and market. State every required standard in the RFQ; no rating should be inferred from a category image or general description.
Ductile Iron Castings are part of the custom iron castings family. Custom iron castings convert a drawing or sample into repeatable metal components. Alloy grade, geometry, wall thickness, casting process, machining allowance, volume and inspection plan shape the manufacturing route.
Provide a drawing, dimensions or reference part number, plus material, finish, quantity, application, destination market and documentation needs.
Gray iron, ductile iron and malleable iron grades selected around strength, damping, machinability and service needs. Availability is confirmed against the exact geometry, quantity and service conditions.
Check drawing and 3d model review, material grade and properties, casting process and annual volume, machining, coating and inspection scope. Final suitability must be verified against the quoted product data and application.
Yes. Drawing-based development can cover geometry, material, machining, finish, marking, packing and inspection requirements, subject to manufacturing review.
Required inspection and shipment documents should be listed in the RFQ. Applicable records are agreed before order confirmation.
Every visible value below was transcribed from the supplied PDF and checked against the high-resolution source.
| Product example | Source category | Specifications (source notation) | Single weight (kg) | Material |
|---|---|---|---|---|
| Exhaust pipe | Auto parts | 157*200*105 | 2.3 | 高硅钼球铁 (high-silicon molybdenum ductile iron) |
| Tiger mouth clamp | Export hardware components | 38*38*18 | 0.2 | QT450-10 |
| FD574 | Export hardware components | 50*48*48 | 0.2 | QT450-10 |
| Junction box | Export hardware components | 270*130*100 | 3.6 | QT450-10 |
| Rear axle cladding | Auto parts | 370*220*100 | 10.0 | QT500-7 |
| Cavity | Hardware accessories | 330*240*50 | 22.5 | QT450-10 |
These are supplied casting examples, not catalog model numbers. Dimension order and units are not stated. The exhaust-pipe material is printed only in Chinese as 高硅钼球铁 and is accompanied by a descriptive English translation, not an inferred grade. Confirm the exact material standard and grade, approved drawing, tolerances, casting and machining scope, heat treatment, inspection plan and acceptance criteria before quotation or production.