Quality & Certifications

Quality Assurance

Our Quality Assurance Process

A full-process quality management system spanning R&D through to delivery.

1

Raw Material Control

High-purity charge materials verified before melting.

2

Melt Verification

Spectrometry & ONH analysis on every heat.

3

In-Process Inspection

Dimensional & surface checks during drawing.

4

Final Testing & MTC

Mechanical testing & Mill Test Certificate issued.

Laboratory

Testing Equipment

An in-house physical & chemical testing laboratory ensures full traceability.

Desktop Direct-Reading Spectrometer

Rapid, accurate chemical composition analysis of every melt.

ONH Analyzer

Measures oxygen, nitrogen and hydrogen gas content.

Universal Testing Machine

Microcomputer electro-hydraulic servo tensile & yield testing.

Impact Testing Machine

Computer-controlled impact testing with low-temperature bath.

Rockwell Hardness Tester

Touchscreen digital hardness verification.

Notch Broaching & Projector

Precision impact-specimen preparation & inspection.

Certifications

Standards & Certifications

Every product is manufactured and tested to meet international and national standards. Our official certificates are available for verification.

Quality Management Systems ISO 9001:2015 · GJB 9001 Military Standard

Obtained in 2021 and 2019 respectively, our dual quality management system certifications cover the full manufacturing lifecycle — from vacuum induction melting and alloy composition control through to dimensional inspection and shipment documentation. The GJB military certification formally qualifies YIXIN Alloy for national defence and aerospace supply chains.

CertifiedISO 9001:2015Quality Management System

MilitaryGJB 9001Military Quality System

Product Standards & Compliance AWS A5.14 · ASTM B160 / B164 / B166

All nickel alloy products are manufactured and tested against internationally recognised standards. AWS A5.14 governs welding consumable chemistry and classification, while ASTM B160 / B164 / B166 defines chemical and mechanical conformance requirements for wrought nickel alloy wire, rod, bar, sheet and strip. Every shipment includes a full EN 10204 3.1 Mill Test Certificate.

StandardAWS A5.14Welding Consumables

StandardASTM B160 / B164 / B166Chemical & Mechanical Conformance

Safety & Environmental Compliance Jiangsu Authority Certified · Green Enterprise

YIXIN Alloy holds both workplace safety and green enterprise certifications issued by Jiangsu provincial authorities, confirming that our 50,000 m² production facility meets national standards for employee protection, hazardous-material handling, emissions control and sustainable production practices.

SafetySafety ManagementWorkplace & Production Safety

GreenEnvironmental ProtectionGreen Enterprise Certification

Global Compliance

International Standards We Meet

Products comply with 9 international & national standards spanning the USA, UK, China, Germany, Japan, Russia and Singapore.

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ASTM American Society for Testing & Materials B160 · B164 · B166 — Chemical & mechanical conformance for nickel alloys

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AMS Aerospace Material Specifications AMS 5832 — Superalloy Alloy 718 for aerospace & defence

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AWS A5.14 American Welding Society Nickel alloy bare welding electrodes & rods

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ASME SFA-5.14 American Society of Mechanical Engineers Section II-C — Pressure-vessel grade filler metals

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BSI British Standards Institution UK national standards for nickel alloy materials & consumables

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GB/T Chinese National Standard GB/T — PRC standard for alloy composition & mechanical properties

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DIN Deutsches Institut für Normung German standards for nickel alloy wrought products & welding consumables

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JIS Japanese Industrial Standards JIS — Japanese requirements for high-nickel alloy products

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GOST Russian Federal Standard GOST — Russian standard for corrosion-resistant & heat-resistant alloys

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SS Singapore Standards SS — Singapore national standard compliance for industrial alloys

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GJB Chinese Military Standard GJB 9001 — Defence-grade quality system for military & aerospace supply chains

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EN 10204 3.1 European Material Certification Mill Test Certificate issued with every shipment for full traceability

Downloads

Official Certificate & Test Documents

Download our real certification and test reports. All documents are issued by accredited bodies and laboratories.

Certificate Quality Management System Certificate ISO 9001:2015 & GJB 9001 — official QMS certification issued to Danyang Yixin Alloy Co., Ltd.

PDF · 505 KB

Mill Test Cert ERNiCrMo-3 — Mill Test Certificate (MTC) EN 10204 3.1 MTC for ERNiCrMo-3 (Inconel 625) welding wire — chemical composition & mechanical properties.

PDF · 194 KB

Test Report ASTM G28 Method A — Corrosion Test Report Intergranular corrosion test (boiling ferric sulfate–sulfuric acid) per ASTM G28A for nickel alloy products.

PDF · 2.1 MB

Test Report ASTM G28 Method B — Corrosion Test Report Intergranular corrosion test (boiling nitric acid–hydrofluoric acid) per ASTM G28B for nickel alloy products.

PDF · 3.1 MB

Documentation

Inspection Reports & Mill Test Certificates

Every shipment is accompanied by a full EN 10204 3.1 Mill Test Certificate documenting chemical composition, mechanical properties and dimensional conformance — giving EPC contractors and procurement teams complete traceability.

Chemical composition report
Mechanical property report
Dimensional & surface inspection
Heat / batch traceability

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EN 10204 3.1 Mill Test Certificate with every order Request Sample MTC