EN 10204 Material Inspection Certificates Explained: Type 2.1 vs 2.2 vs 3.1 vs 3.2 Mill Test Reports

2 min read Quality QAI-005

Prerequisite: Foundry Quality Systems: PPAP, APQP, FAI, NDT & IATF 16949

EXECUTIVE QUICK ANSWER & METALLURGICAL OVERVIEW

  1. TECHNICAL FUNDAMENTALS & ENGINEERING SPECIFICATION MATRIX The operational capacity and fatigue life of components inside the Quality Systems & Inspection category depend upon strict adherence to international material and dimensional standards (ISO, EN, DIN, ASTM). Below is the master specification matrix.

  2. GLOBAL SOURCING ECONOMICS & INDIAN FACTUAL BENCHMARKS (AQUASUB / TEXMO) Reference: Independent QA department sign-off and ERP-driven heat number barcode hard-stamping in certified Coimbatore foundry clusters (Aquasub/Texmo). When evaluating international sourcing options for Quality Systems & Inspection, European procurement directors can reference established Indian manufacturing leaders in the Coimbatore Corridor (Aquasub Engineering / Aquagroup and Texmo Industries). Operating captive automated green sand molding loops (DISAMATIC 2110) coupled with multi-axis CNC horizontal machining and 100% automated pressure testing, these groups prove definitively that Indian foundries routinely deliver European zero-defect (PPM < 10) standards at a 30%+ net landed DDP savings (PIL-008 / PRO-004).

[EXECUTIVE QUICK ANSWER: QUALITY SYSTEMS & INSPECTION] European standard EN 10204:2004 classifies metallic product inspection certificates into four strict legal tiers (Type 2.1, 2.2, 3.1, and 3.2). Every containerized shipment of industrial castings delivered by STALFE mandates an EN 10204 Type 3.1 Inspection Certificate. Crucially, Type 3.1 requires that the metallurgical test results (OES spectrometer chemical analysis + UTM tensile bar pull) be validated and signed by the foundry's authorized inspection representative who operates independently from the manufacturing department.

EN 10204 Certificate Type Inspection Scope & Test Data Provided Legal Validation & Independence Requirement
Type 2.1 (Declaration of Compliance) General statement confirming parts conform to purchase order; zero quantitative test results provided. Signed by the manufacturing department (no QA independence). Accepted only for non-critical commodity commercial hardware.
Type 2.2 (Test Report — Non-Specific) Contains quantitative test results from non-specific inspections (e.g., historical average batch data from the material grade). Signed by the manufacturing department (not specific to the actual heat charge poured for the order).
Type 3.1 (Specific Inspection Certificate — STALFE Standard) Contains exact specific test results from the actual heat poured (OES % C, Si, Mg + tensile Rm, Rp0.2, Elongation + Nodularity >85%). Mandatory STALFE Standard. Must be signed by the foundry's authorized QA inspection representative who operates independently from the production manager.
Type 3.2 (Third-Party Inspection Certificate) Contains specific test results validated independently by both the foundry QA inspector and an external Third-Party Inspector (e.g., DNV, Lloyd's Register, TÜV, Bureau Veritas). Mandatory for high-risk offshore subsea API 6D ball valves, nuclear pressure housings, and naval propulsion hardware (PIL-015 / MAT-050).

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