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Testing by Winrock approved laboratories:

Chemical composition analysis
Mechanical property
Impact Value
Corrosion Testing
Microstructure analysis
Nondestructive testing ( MPI, UT, RT,etc.)

Special inspection item:

-101℃ low temperature impact test
800℃ high temperature tensile test
Stress Rupture Requirements( specially A453 660,inconel718 materials)

Inspection is arranged as international standard or customer special requirement，Follows documents could be supplied.
Mill certificate
EN10204 3.1 certificate
EN10204 3.2 certificate

Testing Equipment

Hardness Testing MachineHardness Testing Machine
Impact Value TesterImpact Value Tester
Finish TestFinish Test
Chemical AnalyzerChemical Analyzer
Go an No Go GaugeGo an No Go Gauge
Microelement AnalysisMicroelement Analysis
Microelement AnalysisMicroelement Analysis
Tensile TesterTensile Tester
Tensile TestTensile Test
Universal_Testing_MachineryUniversal_Testing_Machinery

Test Photos

S31803 Hex Cap Screw Dimension TestS31803 Hex Cap Screw Dimension Test
Tensile and Chemical TestTensile and Chemical Test
Inconel 718 Hardness TestInconel 718 Hardness Test
Go No Go GaugeGo No Go Gauge
Go No Go GaugeGo No Go Gauge
Dimension TestDimension Test
Chemical InspectionChemical Inspection
Chemical TestChemical Test
Go No Go GaugeGo No Go Gauge

Inspection Certificates

Certificate for A453 660BViewDownload PDF
Certificate for S31254ViewDownload PDF
Certificate for A193 B8M CL2ViewDownload PDF
Certificate for S32750ViewDownload PDF
Certificate for S32760ViewDownload PDF