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JB/T 9197-2008 Heat treating for stainless steel and heat-resisting steel 180 (USD) via email in 1-3 business day VALID
GB/T 12603-2005 Classifications and designations for metal heat treatment via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 27945.1-2011 The management of hazardous solid wastes from heat treatment salt—Part 1:General management 120 (USD) via email in 1-3 business day VALID
JB/T 9199-2008 via email in VALID please email coc@codeofchina.com for quotation
JB/T 11077-2011 The technical requirement of heat treatment for largepit-type controlled atmosphere carburizing furnace 270 (USD) via email in 1-3 business day VALID
ZB J 36016-1990 via email in ABOLISHED please email coc@codeofchina.com for quotation
JB/T 5072-1991 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB 3999-1985 120 (USD) via email in 1-3 business day ABOLISHED
JB/T 7500-1994 via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
JB/T 7709-2007 Inspection method of microstructure hardeness and depth of boronized layer 135 (USD) via email in 1-3 business day VALID
TB/T 1779-1993 60 (USD) via email in 1-3 business day VALID
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
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