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Shandong Luyin quality-control laboratory

Qualification evidence follows the powder.

Manufacturing control, named laboratory methods and controlled documents are connected to the same product route—so purchasing and technical teams review one evidence chain.

Inspect test capabilityRequest a document set

Process control · laboratory methods · controlled release

4Provincial R&D platforms
65Patented technologies
11Standards led or joined
5 systemsQuality, automotive, environment, safety and energy

Methods organised around the decision they support.

The authorised catalogue names the equipment below. A live product release still depends on the agreed method, current specification and batch evidence.

Chemistry & elemental controlComposition · oxygen / nitrogen · purity

ICP spectrometer · oxygen / nitrogen analyser

Supports chemistry review
Phase, surface & structurePhase · surface area · microstructure

X-ray diffraction · specific surface area · metallographic microscopy

Supports material identity
Morphology & particle profileParticle form · distribution · powder condition

Scanning electron microscopy · powder characterisation equipment

Supports process matching
Physical & magnetic behaviourFlow · density · resistance · magnetic response

Magnetic-property tester · powder-resistance tester · comprehensive powder-property testing

Supports functional review
Trial, forming & sinteringThermal route · mechanical response · sample preparation

Thermal analyser · universal testing machine · vacuum sintering furnace · granulator

Supports qualification trials

Quality management from requirement to release.

This quality-management sequence connects requirements, verification and release records. The complete manufacturing operations for each powder route are shown below.

  1. Requirement basisApplication, current grade or target specification
  2. Production routeAtomization, reduction, alloying, blending or specialised processing
  3. Material verificationChemistry, particle profile, morphology, phase and powder behaviour
  4. Trial & comparisonAgreed sample conditions and evaluation method
  5. Batch releaseCurrent TDS basis, COA and required shipment documents
Shandong Luyin metal powder manufacturing workshop
Authorised manufacturing workshop

Eight complete production routes.

Trace each route from its feed materials to the finished powder. Raw-powder stages, separate feed treatments and alternative finishing paths are retained from the catalogue.

Water-atomized pure iron powder
Water-atomized pure iron powder: complete illustrated process, from feed materials to finished powder. The text equivalent follows.
Follow the arrows from feed materials to finished powder. Equipment symbols are schematic.
Open full-size diagram
Read process steps

Feed materials

Steel scrap

Follow the numbered sequence.

  1. Steel melting
  2. Water atomization
  3. Wet magnetic separation
  4. Dewatering
  5. Drying
  6. Cooling
  7. Magnetic separation
  8. Screening
  9. Batch blending
  10. Raw atomized powder
  11. Reduction
  12. Grinding
  13. Screening
  14. Batch blending
  15. Water-atomized pure iron powder

Possible downstream routes for this powder

Downstream processing is selected for the required product; it is not an additional step for every grade.

Reduced / sponge iron powder
Reduced / sponge iron powder: complete illustrated process, from feed materials to finished powder. The text equivalent follows.
Follow the arrows from feed materials to finished powder. Equipment symbols are schematic.
Open full-size diagram
Read process steps

Feed materials

Iron scale Feed preparation
Coke powder Feed preparation

Prepare both feed materials separately, then bring them together at loading.

Follow the numbered sequence.

  1. Loading
  2. Primary reduction
  3. Sponge iron
  4. Grinding
  5. Raw powder
  6. Secondary reduction
  7. Grinding
  8. Screening
  9. Batch blending
  10. Reduced iron powder
Water-atomized pre-alloyed steel powder
Water-atomized pre-alloyed steel powder: complete illustrated process, from feed materials to finished powder. The text equivalent follows.
Follow the arrows from feed materials to finished powder. Equipment symbols are schematic.
Open full-size diagram
Read process steps

Feed materials

Steel scrap
Alloy additions

Both feed materials enter the melting stage.

Follow the numbered sequence.

  1. Steel melting
  2. Water atomization
  3. Wet magnetic separation
  4. Dewatering
  5. Drying
  6. Cooling
  7. Magnetic separation
  8. Screening
  9. Batch blending
  10. Raw atomized powder
  11. Secondary reduction
  12. Grinding
  13. Screening
  14. Batch blending
  15. Water-atomized pre-alloyed steel powder

Possible downstream routes for this powder

Downstream processing is selected for the required product; it is not an additional step for every grade.

Diffusion-alloyed steel powder
Diffusion-alloyed steel powder: complete illustrated process, from feed materials to finished powder. The text equivalent follows.
Follow the arrows from feed materials to finished powder. Equipment symbols are schematic.
Open full-size diagram
Read process steps

Alternative base powders

  • Water-atomized pure iron powder
  • Water-atomized pre-alloyed steel powder

Select the base powder for the formulation; these are alternative starting routes.

Follow the numbered sequence.

  1. Add alloying materialsNi, Mo, Cu and other specified additions
  2. Pre-mixing
  3. Diffusion treatment
  4. Grinding and screening
  5. Diffusion-alloyed steel powder

Possible downstream routes for this powder

Downstream processing is selected for the required product; it is not an additional step for every grade.

Bonded / non-segregation premixed powder
Bonded / non-segregation premixed powder: complete illustrated process, from feed materials to finished powder. The text equivalent follows.
Follow the arrows from feed materials to finished powder. Equipment symbols are schematic.
Open full-size diagram
Read process steps

Alternative base powders

  • Water-atomized pure iron powder
  • Water-atomized pre-alloyed steel powder
  • Diffusion-alloyed steel powder

Select the base powder for the formulation; these are alternative starting routes.

Follow the numbered sequence.

  1. Add specified materialsNi, C, Cu and other specified additions
  2. Pre-mixing
  3. Bonding treatment
  4. Add lubricant
  5. Mixing
  6. Batch blending
  7. Non-segregation premixed powder
Gas-atomized powder
Gas-atomized powder: complete illustrated process, from feed materials to finished powder. The text equivalent follows.
Follow the arrows from feed materials to finished powder. Equipment symbols are schematic.
Open full-size diagram
Read process steps

Feed materials

Alloy

Follow the numbered sequence.

  1. Melting
  2. Gas atomization
  3. Screening
  4. Batch blending
  5. Finished powder
Combined water and gas atomization
Combined water and gas atomization: complete illustrated process, from feed materials to finished powder. The text equivalent follows.
Follow the arrows from feed materials to finished powder. Equipment symbols are schematic.
Open full-size diagram
Read process steps

Feed materials

Alloy

Follow the numbered sequence.

  1. Melting
  2. Combined water and gas atomization
  3. Wet magnetic separation
  4. Dewatering
  5. Drying

After drying: two alternative finishing paths

With final reduction

  1. Final reduction
  2. Grinding
  3. Screening
  4. Batch blending
  5. Finished powder

Direct screening and blending

  1. Screening
  2. Batch blending
  3. Finished powder

Use the applicable finishing path for the selected powder. The two paths are alternatives.

High-pressure water-atomized powder
High-pressure water-atomized powder: complete illustrated process, from feed materials to finished powder. The text equivalent follows.
Follow the arrows from feed materials to finished powder. Equipment symbols are schematic.
Open full-size diagram
Read process steps

Feed materials

Alloy

Follow the numbered sequence.

  1. Melting
  2. High-pressure water atomization
  3. Wet magnetic separation
  4. Dewatering
  5. Drying
  6. Cooling
  7. Magnetic separation
  8. Screening
  9. Batch blending
  10. Finished powder

Production diagrams adapted from the catalogue, printed pages 12–15. Batch blending corresponds to the catalogue term “equalizing”. Processing conditions and the route for a selected grade are confirmed against its requirements; actual batch results follow the COA.

Research and testing equipment for metal powder qualification
R&D and testing equipment
Shandong Luyin company and research center
Company and R&D center

A platform for route-specific qualification.

Four provincial R&D platforms, 65 patented technologies and participation in 11 standards describe the technical foundation. They do not replace product-specific TDS, agreed test methods or batch COA.

Capability fact
Authorised catalogue and current-site source
Product evidence
Current controlled document required
Batch evidence
Agreed release record required

Management systems, with the scope kept visible.

Five current English certificate copies name Shandong Luyin New Material Technology Co., Ltd. The scope and end date below follow each supplied certificate; ongoing validity remains subject to scheduled surveillance and issuer or registry status.

ISO 9001ISO 14001IATF 16949ISO 45001ISO 50001
Current IATF 16949 certificate supplied for Shandong Luyin
IATF 16949:2016Manufacture of water atomized iron powders and non-segregation pre-mixed powders.Valid through 07 Nov 2027
Current ISO 9001 certificate supplied for Shandong Luyin
ISO 9001:2015Design, production and sale of reduced iron powder, water atomized iron powder, non-segregation pre-mixed powder and special alloy powder.Valid through 20 Jun 2028
Current ISO 14001 certificate supplied for Shandong Luyin
ISO 14001:2015Production, sale and related management activities for the powder families stated on the certificate.Valid through 25 Jun 2029
Current ISO 45001 certificate supplied for Shandong Luyin
ISO 45001:2018Occupational health and safety management for the powder activities stated on the certificate.Valid through 25 Jun 2029
Current ISO 50001 certificate supplied for Shandong Luyin
ISO 50001:2018Energy management for the covered powder-production, operation and servicing processes.Valid through 25 Jun 2029

Ask for the evidence that belongs to your route.

State the product, current grade, test method and document requirements. The initial technical response is provided within 24 hours.

Request a qualification package