Knowledge Base
Engineering Insights
Technical guides to help you choose the right casting process, alloy, and supplier.
Pressure-Tightness Testing for Aluminum Castings: RFQ Methods and Acceptance Criteria
A buyer-focused guide to pressure-tightness testing for aluminum castings: test medium, pressure, hold time, acceptance criteria, sampling, records, and RFQ inputs.
Read full article →How to Choose an IATF 16949 Aluminum Casting Supplier: A Buyer's Checklist
Qualifying an IATF 16949 aluminum casting supplier? Use this sourcing checklist covering audit scope, process controls, and RFQ red flags. Updated 2026.
Read full article →CBAM for Aluminium Castings in 2026: Threshold and CN-Code Check
A buyer checklist for confirming whether an aluminium casting falls within CBAM, how the 50-tonne threshold works, and what supplier data to request.
Read full article →Section 122 Surcharge Ended in July 2026: Casting Import Checks
The temporary Section 122 surcharge was 10%, not 15%, and its 150-day period ended in July 2026. Current duties still require an HTSUS-specific review.
Read full article →BESS Aluminum Castings: Enclosures, Holders & Process
BESS enclosures, busbar holders and cooling plates all use aluminum castings. When does gravity casting outperform die casting? IATF 16949 China supplier.
Read full article →E-Drive / E-Axle Housing RFQ Checklist: Bearing Seats, Sealing Faces, Datum Stack, Machining, and Inspection Evidence
Buyer checklist for e-drive and e-axle housing RFQs: define datums, bearing seats, sealing faces, machining scope, and inspection evidence to avoid launch risk.
Read full article →Permanent Mold Aluminum Casting RFQ Checklist: Process Definition, Tooling Scope, Heat Treatment, Machining, and Inspection Evidence
Buyer checklist for permanent mold aluminum casting RFQs: define process, tooling scope, heat treat, machining datums, and inspection evidence so quotes match.
Read full article →PPAP + CMM + Leak-Test Pack for Pressure-Tight Castings
PPAP, CMM reports, leak-test records and material certs clarified before quoting pressure-tight aluminum castings. Free checklist — Hexagon CMM + IATF 16949.
Read full article →Gravity vs LPDC vs Die Casting for Leak-Tight Housings
Gravity, LPDC, or die casting for leak-tight housings? Compare pressure-tight specs, leak-test records and A356/ADC12 alloys — IATF 16949 China supplier.
Read full article →Valve Body Spool Bore RFQ Checklist: Surface Finish, Honing, Cross-Hole Deburr, Cleanliness, and Inspection Evidence
Buyer checklist for valve body RFQs: spool-bore finish, honing, cross-hole deburr, cleanliness, and inspection evidence to reduce sticking/leakage risk.
Read full article →Pump Housing Bearing-Seat + Runout RFQ Checklist: Datums, Concentricity, Machining Scope, and Inspection Evidence
Buyer checklist for pump housing RFQs where bearing seats and seal bores drive noise and leakage. Define datums, runout, machining scope, and inspection records before quoting.
Read full article →Section 232 Aluminum Tariff 2026: Casting Cost Guide
Section 232 adds 25% to aluminum casting imports. Covers landed-cost modeling, China origin documentation, and RFQ inputs — from an IATF 16949 foundry.
Read full article →How to Write an Aluminum Casting RFQ: OEM Checklist
Aluminum casting RFQ checklist: alloy spec, annual volume, machining scope, leak-test requirements, PPAP level, and Incoterms. Get accurate quotes from China.
Read full article →Aluminum Gravity Casting for Automotive OEMs: RFQ Guide
A356-T6 gravity die castings for automotive OEMs — alloy selection, PPAP scope, RFQ checklist. IATF 16949 supplier with pressure-tight, leak-tested housings.
Read full article →EV Inverter & OBC Aluminum Housing RFQ Checklist
Verify thermal flatness, EMC grounding, coolant paths, and CNC datums for EV inverter & OBC aluminum housings. Leak-test + CMM records, IATF 16949 certified.
Read full article →China Aluminum Casting Suppliers 2026: RFQ Guide
2026 OEM buyer guide: qualify China aluminum casting suppliers, structure your RFQ, and assess process fit. IATF 16949 gravity & LPDC foundry insights.
Read full article →Aluminium Casting Finishing: Anodizing & Powder Coat
Compare anodizing, powder coating, and painting for aluminium castings — machining sequence, coating compatibility, and RFQ inputs from an IATF 16949 foundry.
Read full article →Aluminum Casting Supplier Checklist: 12-Point Audit
Qualify a China aluminum casting foundry: 12-point checklist covering IATF 16949, CMM records, PPAP/FAI, tooling ownership, and leak-test capability.
Read full article →Aluminum Casting Lead Time: China Supplier Guide
Tooling approval, T1 samples, CMM sign-off, and logistics handoffs all drive China casting lead times. IATF 16949 foundry guide for global OEM buyers.
Read full article →A356 vs ADC12 vs ZL114: Gravity Casting Alloy Guide
Compare A356-T6, ADC12, ZL114, and A380 for gravity casting: strength, pressure-tightness, cost trade-offs. IATF 16949 foundry — CMM inspection, PPAP ready.
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