We do not just manufacture high-performance special alloy fasteners—we ensure they seamlessly pass your engineering audits and cross global borders smoothly. Every shipment of our cargo ,such as Hastelloy, Duplex, and Super Duplex fasteners and other alloy fasteners are backed by a comprehensive, transparent documentation package designed to lower your import costs and eliminate technical risk.
If client need we could provide certificates such as :
Mill test certificate,
Form E
Certificate Origin
Accept third party test such as SGS
pls check below our mill test certificate format which provided to clients before
🔬 Mill Test Certificate (MTC) to EN 10204 3.1
We provide 100% material transparency from raw ingot to finished fastener. Our complete EN 10204 3.1 MTC serves as absolute metallurgical proof that your fasteners will withstand extreme pressures, high temperatures, and severe corrosion. (EN 10204 3.2 third-party witness testing is fully available upon request).
- Chemical Composition Verification: Detailed laboratory breakdowns of elements (Chromium, Nickel, Molybdenum, etc.) to guarantee our fasteners authenticity.
- Mechanical Property Reports: Certified testing data covering precise tensile strength, yield strength, elongation, and hardness metrics.
- Total Heat Traceability: Every individual fastener batch is stamped and cross-referenced with a unique heat number, creating a clear audit trail back to the melting mill.
Below are our screws certificate, spring washer certificate, hex nut certificate and stud bolt ceritificate
Some clients need Form E certificate and certificate of Origin certificate, we also could provide, Below could see clearly the normally used certificate format.
