Raw materials
Chemistry, source consistency and incoming inspection according to the agreed control plan.
Quality begins with the specification
Refractory quality and technical capability
A credible supply program connects application requirements, measurable product properties and agreed inspection evidence.
Process control
Batching, forming, firing or curing parameters monitored for the relevant product route.
Finished product
Dimensions, appearance and specified physical or chemical properties checked by agreed methods.
Documentation
Batch identification, inspection records and requested export documents defined before order.
Verified technical network
National platforms for refractory development and evaluation
Sinosteel Luonai’s official materials identify three core national platforms: a State Key Laboratory, a National Engineering Research Center and a National Quality Inspection and Testing Center for Refractories.
Inspection center scope
- ISO, ASTM, EN and DIN methods within authorized scope
- Chemical, physical and thermal-property testing
- Nearly 300 documented testing methods
- CNAS and CNCA-recognized capabilities
The exact test plan and certificates available are confirmed for each product and contract.
Published capability library
Review the cooperation network in detail
Each page separates public partner capability from the exact scope that must be confirmed for an order.
01
Research & Development
Official Sinosteel Luonai refractory R&D platforms, advanced-material research directions and innovation infrastructure.
Explore capability 02Testing & Inspection
National refractory inspection center scope, facilities, standards and testing-method coverage stated by Sinosteel Luonai.
Explore capability 03Engineering Services
Engineering design, kiln EPC, lining coordination and high-temperature project services supported by the cooperation network.
Explore capability 04Sustainability & Certifications
Official Sinosteel Luonai ISO management certificates, ESG reporting history and EcoVadis assessment information.
Explore capabilityTechnical data
Agree what “compliant” means before production
Standards, sampling, test methods, tolerances and acceptance criteria should be clear in the order specification.
PhysicalBulk density · porosity · CCS · MOR
ThermalPLC · RUL · conductivity · shock
ChemicalMajor oxides · impurities · corrosion basis
DimensionalSize · warpage · appearance · drawing
Responsible claims
Documents depend on the product and contract
Certificates, third-party inspection, samples and project-specific testing can only be confirmed after the material, standard, quantity and schedule are reviewed.
Define your inspection requirement View official inspection-center source