Tin bars, rods, profiles and wire Tin bars, rods, profiles and wire: Gate-to-gate production of tin or declared tin-alloy bars, rods, solid profiles and wire from received metal feedstock through…
Lifecycle status Candidate
Content maturity Authored methodology
Current version No published version
Readiness Review required
Last updated 2026-09-15 Methodology and translation states come from the source record; publishing this website does not change their review status.
Content languages zh-CN · Aligned
Status, classification and source details Readiness Warnings methodology_not_reviewed Authored methodology is candidate guidance and still requires methodology review.Classification mapping CPC 3.0:41547 · exact
1. Scope and Applicability
Gate-to-gate production of tin or declared tin-alloy bars, rods, solid profiles and wire from received metal feedstock through casting and/or extrusion, rolling, drawing, straightening, cutting and finishing. Excludes unwrought tin, sheet, strip, foil, powder, tubes, fabricated articles, use and end-of-life.
2. Product Category Identity
Field Value canonical_pcr_id pcr.metal-products-machinery-and-equipment.basic-metals.tin-bars-rods-profiles-and-wire classification_refs CPC 3.0 41547 covered_products Tin and declared tin-alloy bars, rods, solid profiles and wire excluded_products Unwrought tin; sheet, strip, foil, powder, tubes and fabricated articles representative_product Tin rod production_route Declared casting/forming/finishing route market_state Saleable semi-finished solid product at factory gate
3. Reference Flow
Field Value What Conforming saleable covered product How much 1 kg net saleable product How well Composition, form, dimensions, temper, surface and specification declared How long or cycle Reporting-period production campaign reference_flow_link Net factory-gate mass after internal returns and rejects
Field Value Reference amount 1 Reference product flow Tin Rod e9c72b13-0d60-4d67-a1c9-b0c963ec62cf Reference flow property Mass 93a60a56-a3c8-11da-a746-0800200b9a66 Reference unit group Units of mass 93a60a57-a4c8-11da-a746-0800200c9a66 Reference unit kg Required qualifiers form; composition; dimensions; temper; surface; route; geography; period
4. Measurement and Unit Rules
rule_id Applies to Required property Required unit Rule reference_massmass flows Mass 93a60a56-a3c8-11da-a746-0800200b9a66 kg Use a consistent mass basis and normalize net output to 1 kg.
5. System Boundary
Boundary Abstraction
Field Value declared_starting_condition Received refined tin or declared tin-alloy feedstock starting_condition_role Upstream production represented by linked input datasets product_classification_scope Covered solid semi-finished forms recursive_input_rule Record same-category off-site feedstock once; internal scrap does not cross the boundary upstream_dataset_requirement Representative datasets for purchased inputs disclosure Declare route, alloy, internal scrap loop and surface treatment
rule_id Applies to Rule source_ids boundary_gate_to_gateforeground system Include on-site forming and finishing; exclude use and end-of-life. un-cpc-3-0-structure-2025
6. Process Inventory Structure
Process Map
process_id process_name inclusion inclusion_condition role quantitative_reference tin_semifabricationTin semi-fabrication required Always foreground production 1 kg net product
Process: Tin semi-fabrication (tin_semifabrication)
Product flows
Tin feedstock (tin_feedstock)
Record the received mass of the declared feedstock grade crossing the factory boundary.
Selected flow: Tin metal feedstock
Flow property / unit: Mass / kg
Amount rule: measured received mass
Value mode: Foreground record (foreground_record)
Specificity: Product-specific (product_specific)
Normalization basis: per 1 kg net product
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_mass
Sources:
Purchased electricity (electricity)
Record electricity consumed by included production equipment and allocated auxiliaries.
Selected flow: Electricity 890a70b7-b677-4e2a-8a1b-7d017e0a10ae
Flow property / unit: Net calorific value / MJ
Amount rule: metered attributable electricity
Value mode: Foreground record (foreground_record)
Specificity: Site-specific (site_specific)
Normalization basis: per 1 kg net product
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_energy
Sources:
Waste flows
Elementary flows
Outputs
Product flows
Reference product (reference_product)
Record net conforming product mass after internal returns and rejects.
Selected flow: Tin Rod e9c72b13-0d60-4d67-a1c9-b0c963ec62cf
Flow property / unit: Mass / kg
Amount rule: fixed reference amount
Value mode: Fixed value (fixed_value)
Specificity: Product-specific (product_specific)
Normalization basis: 1 kg net product
Basis kind: Reference flow (reference_flow)
Evidence kind: Identity reference (identity_reference)
Collection protocol:
Sources:
Waste flows
Tin-bearing process scrap (process_scrap)
Record only segregated scrap leaving the foreground boundary; exclude internal returns.
Selected flow: Tin scrap 72bbff5c-c26f-4b7b-971e-df634b72ea28
Flow property / unit: Mass / kg
Amount rule: weighed off-site mass; exclude internal returns
Value mode: Foreground record (foreground_record)
Specificity: Site-specific (site_specific)
Normalization basis: per 1 kg net product
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_mass
Sources:
Elementary flows
7. Allocation and Co-product Handling
rule_id Applies to Rule source_ids allocation_subdivisionshared production Subdivide first; allocate residual shared burdens by net mass and disclose sensitivity.
8. Foreground Data Collection, Calculation, and Quality Rules
Data Collection Protocols
protocol_id process_id flow_role record_type raw_fields collection_method unit frequency temporal_coverage site_scope aggregation_rule quality_evidence cp_masstin_semifabricationmaterial mass scale records time; grade; gross; tare; disposition calibrated scales kg each lot representative 12 months or disclosed campaign included lines sum and normalize calibration and reconciliation cp_energytin_semifabricationelectricity meter records meter; period; energy submeter or documented allocation kWh or MJ monthly production period included equipment subtract exclusions and normalize invoices and meter checks
Calculation Rules
rule_id Applies to Formula or rule Inputs Output source_ids normalizeall rows allocated quantity divided by net product mass quantity; net mass per kg quantity
Data Quality Requirements
requirement_id Applies to Requirement Evidence dq_balancemetal flows Reconcile feedstock, product, scrap, stock change and internal returns. scale records and reconciliation
9. Validation Rules
rule_id Applies to Rule source_ids validate_referencereference flow Require 1 kg and all qualifiers. validate_inventoryinventory Require atomic flows, UUID status, aligned periods and mass balance.
10. Published Dataset Profile
Field Value dataset_role foreground production dataset downstream_use process and lifecyclemodel construction allowed_use declared covered product and route excluded_use upstream refining, use and end-of-life required_metadata form; composition; dimensions; route; geography; period; allocation required_quality_disclosure metering, mass balance, unresolved UUIDs and gaps update_trigger material boundary, route, alloy, energy or yield change
11. Data Sources
Raw downloads These files are byte-identical to the canonical files for this revision in the repository.
Structured rule index This index comes from verified structured.yaml and retains the canonical English rule text.
System boundary rules · 1 Rule ID Applies to Rule Source IDs boundary_gate_to_gateforeground system Include on-site forming and finishing; exclude use and end-of-life. un-cpc-3-0-structure-2025
Allocation rules · 1 Rule ID Applies to Rule Source IDs allocation_subdivisionshared production Subdivide first; allocate residual shared burdens by net mass and disclose sensitivity.
Validation rules · 2 Rule ID Applies to Rule Source IDs validate_referencereference flow Require 1 kg and all qualifiers. validate_inventoryinventory Require atomic flows, UUID status, aligned periods and mass balance.
Processes and inputs/outputs · 1 Complete field inspector Loads this record’s complete manifest and structured projection on demand; values are never truncated. Requires JavaScript.
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