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JB/T 9201-2007 Induction hardening and tempering of iron and steel parts (USD) via email in 1-3 business day VALID
JB/T 5069-2007 Metallographic examination method of diffusion metallized layer of steel parts (USD) via email in 1-3 business day VALID
GB 15735-2004 Requirements for the safety and health in production process of metal heat treatment via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 9208-2008 Heat treatment of steels in endothermic atmospheres (USD) via email in 1-3 business day VALID
JB/T 5074-2007 Spheroidite grade of low and medium carbon steel (USD) via email in 1-3 business day VALID
GB/T 22561-2008 Vacuum heat treatment (USD) via email in 1-3 business day VALID
JB/T 4392-1999 Test method of characteristics on polymer quenchants via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 8121-2012 The terminology of technological materials for heat treatment (USD) via email in 1-3 business day VALID
JB/T 8491.2-2008 Technical requirement heat treatment for machine tool parts—part 2:Quenching and tempering (USD) via email in 1-3 business day VALID
JB/T 6955-2008 (USD) via email in 1-3 business day VALID
GB/T 21736-2008 Technical specifications of energy-saving combustion devices for heat treating (USD) via email in 1-3 business day VALID
JB/T 4202-2008 Remaining heat from forging for quenching and tempering of steel (USD) via email in 1-3 business day VALID
GB/T 25744-2010 Metallographic examination for carburizing quenching and tempering of steel parts (USD) via email in 1-3 business day VALID
GB/T 8121-1987 The terminology of technological materials for heat treatment (USD) via email in 1-3 business day ABOLISHED
JB/T 8929-2008 Deep carburizing (USD) via email in 1-3 business day
GB/T 25745-2010 Heat treatment of cast aluminium alloys (USD) via email in 1-3 business day VALID
GB/T 37559-2019 Normalizing and annealing of heavy steel forgings (USD) via email in 1-3 business day VALID
GB/T 9452-2003 Testing method for work zone of heat treatment furnace via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 15735-2012 Requirements for the safety and health in production process of metal heat treatment (USD) via email in 1-3 business day VALID
JB/T 11078-2011 Vacuum carburizing and post-quenching of steel part via email in VALID please email coc@codeofchina.com for quotation
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