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Steel material

钢铁材料金相 Test Item Steel material
Purpose Detection of metal tissue and analysis of defects
Test Period 3 working days
Test Range Various metals and alloys
The Cost For details, please call hotline 0510-82605847
       By means of chemical heat treatment and surface hardening, the surface hardness, wear resistance and corrosion resistance of the steel can be effectively improved, so it is widely used in industrial production. The hardness test, microstructure analysis, layer depth measurement, etc..      
   Test method and standard
Test method Test Item Test standard Test Period Remark
Steel die forging Metallographic structure evaluation metallurgical structure GB/T 13320-2007 3 working days  
Depth measurement and metallographic examination of steel parts Nitride test in nitriding layer GB/T 11354-2005 3 working days  
Nitriding layer nitride test
Nitriding layer porosity test
Nitriding layer brittleness test
Nitriding layer depth Jin Xiangfa / hardness method
Martensite grade Medium carbon steel and medium carbon alloy structural steel Martensite grade JB/T 9211-2008 3 working days  
The depth of decarburization layer Determination of depth of decarburization of steel GB/T 224-2008
ISO 3887-2003
ASTM E 1077-01(R05)
3 working days  
Stainless steel phase content A phase area of a stainless steel Metallographic method GB/T 13305-2008 3 working days  
eutectic carbide unevenness Eutectic carbide of steel Uneven degree evaluation method GB/T 14979-1994 3 working days  
quantitative metallography Quantitative metallographic method GB/T 15749-2008 3 working days  
Tool steel Bulk carbides rating GB/T 9943-2008
ISO 4957-1999
GB/T 1299-2000
ASTM A 681-08
GB/T 1298-2008
ASTM A 686-92
3 working days  
Eutectic carbide nonuniformity
pearlitic structrure
carbide network
macrostructure
macrostructure
Microstructure of high manganese steel Insoluble carbide
GB/T 6394-2005
3 working days  
Precipitated carbide
Superheated carbide
High carbon chromium bearing steel metallographic phase Micro pores GB/T 18254-2002
GB/T 18579-2001
3 working days  
Carbide inhomogeneity
decarburization
Iron based powder metallurgy sintered products pearlite JB/T 2798-1999 3 working days  
cementite
Automobile carburizing gear metallographic phase carbide QC/T 262-1999 3 working days  
Retained austenite, martensite
Determination of depth of carburizing layer GB/T 9450-2005 3 working days  
superalloy High temperature alloy bar Vertical low - fold tissue acid leaching test GB/T 14999。1-1994 3 working days  
High temperature alloy horizontal Low acid leaching test method GB/T 14999.2-1994 3 working days  
High temperature alloy bar Longitudinal fracture test method GB/T 14999。3-1994 3 working days  
Microstructure test method for high temperature alloy GB/T 14999.4-1994 3 working days  
Low temperature alloy, High power rating of the organization GB/T 14999.5-1994 3 working days  
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Require
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