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JB/T 9201-2007 Induction hardening and tempering of iron and steel parts 180 (USD) via email in 1-3 business day VALID
ZB J 36013-1989 via email in ABOLISHED please email coc@codeofchina.com for quotation
JB/T 7529-1994 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 5069-2007 Metallographic examination method of diffusion metallized layer of steel parts 210 (USD) via email in 1-3 business day VALID
JB/T 6050-1992 105 (USD) via email in 1-3 business day ABOLISHED
ZB J 36010-1988 via email in ABOLISHED please email coc@codeofchina.com for quotation
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 105 (USD) via email in 1-3 business day VALID
JB/T 5074-2007 Spheroidite grade of low and medium carbon steel 120 (USD) via email in 1-3 business day VALID
ZB/T J 36018-1990 via email in ABOLISHED please email coc@codeofchina.com for quotation
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
JB/T 8419-1996 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 7712-1995 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 8491.2-2008 Technical requirement heat treatment for machine tool parts—part 2:Quenching and tempering 75 (USD) via email in 1-3 business day VALID
JB/T 6955-2008 165 (USD) via email in 1-3 business day VALID
JB/T 4202-2008 Remaining heat from forging for quenching and tempering of steel 120 (USD) via email in 1-3 business day VALID
ZB J 36002-1986 via email in ABOLISHED please email coc@codeofchina.com for quotation
JB/T 8420-1996 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 8929-2008 Deep carburizing 105 (USD) via email in 1-3 business day
JB/T 4215-1996 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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