| Material Grade Coverage | Experience with commonly specified grades such as 304, 316/316L, 301, 430, and precipitation-hardening grades when required. | Different grades vary in corrosion resistance, formability, work hardening, springback, and tool wear. | Material certificates, grade-specific production samples, and documented material approval procedures. | High |
| Material Thickness Range | Clearly defined minimum and maximum thickness for progressive, deep-drawing, and four-slide or precision stamping processes. | Thickness affects forming limits, press selection, die clearance, burr height, and dimensional stability. | Capability sheet showing thickness by process, material grade, and part size. | High |
| Press Tonnage and Equipment | Mechanical or servo presses commonly ranging from small precision presses to several hundred tons, matched to the part and die design. | A correctly sized press controls forming force, production speed, tool life, and part consistency. | Equipment list including press tonnage, bed size, stroke, shut height, feed system, and maintenance records. | High |
| Dimensional Capability | Published tolerances should be tied to material, part geometry, process, and measurement method rather than presented as one universal value. | Stainless steel springback and work hardening can make tight tolerances difficult without controlled tooling and process compensation. | Inspection reports, capability studies, first-article results, and drawings with clearly marked critical dimensions. | High |
| Tool and Die Engineering | In-house or controlled access to progressive, compound, deep-drawing, transfer, and secondary forming die design. | Die layout, clearance, draw radius, lubrication, and springback compensation directly influence quality and cost. | Sample die layouts, design review workflow, tool trial records, and preventive maintenance schedules. | High |
| Prototype and Product Launch Support | Ability to support feasibility review, soft tooling or prototype runs, design-for-manufacturing feedback, and pilot production. | Early validation can identify cracking, wrinkling, burrs, distortion, and assembly issues before production tooling is finalized. | Prototype lead-time targets, trial-run reports, engineering change process, and sample approval procedure. | Medium |
| Surface Protection | Controlled use of protective film, clean handling, suitable stamping lubricant, and post-process cleaning to prevent scratches and contamination. | Stainless steel parts may require cosmetic protection and careful handling, especially for visible or corrosion-sensitive applications. | Handling instructions, cleaning specifications, surface inspection criteria, and packaging samples. | High |
| Secondary Operations | Availability of deburring, tapping, piercing, bending, welding, polishing, passivation, cleaning, and assembly as applicable. | Integrated operations can reduce handling, supplier coordination, lead time, and variation between processes. | Process flow charts, subcontractor controls, operation-specific inspection records, and finished-part samples. | Medium |
| Quality Management | Documented quality system with incoming inspection, in-process checks, final inspection, nonconformance control, and corrective action. | Repeatable controls are essential for maintaining dimensions, surface quality, material identity, and batch consistency. | Quality certificates, control plans, inspection instructions, corrective-action examples, and audit results. | High |
| Measurement Equipment | Calibrated gauges, height gauges, optical measurement, coordinate measurement, hardness testing, and surface inspection where required. | Measurement capability must match the tolerance, geometry, surface requirement, and regulatory needs of the component. | Calibration certificates, measurement-system analysis, equipment list, and sample dimensional reports. | High |
| Traceability | Lot-level traceability from raw material and coil or sheet batch through production, inspection, packaging, and shipment. | Traceability supports recalls, root-cause analysis, material verification, and compliance documentation. | Traveler records, lot labels, material certificates, production records, and retention policy. | High |
| Production Capacity and Delivery | Capacity should be demonstrated using available press hours, line utilization, tooling availability, planned maintenance, and realistic monthly output. | Nominal machine count alone does not prove that the supplier can support the required volume or delivery schedule. | Capacity calculation, production schedule, lead-time history, on-time delivery data, and contingency plan. | High |
| Cost Transparency | Quotation should separate material, tooling, stamping, secondary operations, inspection, packaging, logistics assumptions, and payment terms. | A detailed cost structure makes supplier comparisons more accurate and reduces unexpected charges during production. | Itemized quotation, tooling ownership terms, revision policy, minimum order quantity, and rework responsibility. | Medium |
| Packaging and Export Readiness | Packaging should protect edges and surfaces from scratches, humidity, deformation, and mixed-lot identification errors during transport. | Proper export packaging preserves part quality and simplifies receiving inspection and inventory control. | Packaging specification, carton or pallet photos, labeling format, packing list, and shipping documentation process. | Medium |
| Application and Compliance Fit | Supplier should be able to document requirements relevant to the end use, including restricted substances, material declarations, or industry-specific controls. | Automotive, medical, food-contact, electrical, and industrial applications may require different records and process controls. | Compliance declarations, customer-specific quality plans, process approvals, and applicable test reports. | High |
08045479132
Send Inquiry
Send Inquiry
Send SMS
