GuangZhou SANXIN Metal S&T Co., LTD.

 This standard applies to power plant boiler unit metal surface using supersonic arc spraying construction quality inspection and acceptance.
  Reference Standard
《 Power Construction and acceptance of technical specifications 》  DL/T-5047-95
《 thermal spraying metal surface pretreatment General 》  GB/T 11373-1989
《 thermal spraying operation safety 》              GB   11375-1989
《 thermal spraying metal surface pretreatment General 》        GB/T11373—89
《 Determination of thermal spraying operation safety 》                    GB11375—89
《 thermal spray coating bond strength of 》          GB8642—2002
《 Determination of thermal spray coatings tensile strength 》          GB8641—88
《 Metal Thermal spray coating surface Rockwell hardness test nondestructive measurement 》  GB8640—88
《 method of thermal spray coating thickness 》      GB11374-89
《 thermal spray coating porosity test method 》          JB/T7509-94
surface pretreatment quality requirements
cleanliness after sandblasting GB 8923 should reach the stipulated maximum cleanliness Sa3 level, that completely remove the oxide scale, rust, grease and old coatings and other attachments, the surface is completely reveal metallic luster.
 
National Standards
GB/T 9793- 1997 metals and other inorganic coatings - Thermal spraying of zinc, aluminum and its alloys 1998 -02- 01 implementation, instead of GB /T 9793-1988,GB/T 9794-1988,GB/T 9795-1988,GB/T 9796-1988
GB 11375- 1999 Metallic and other inorganic coatings - Thermal spraying security 2000 -03- 01 implementation, instead of GB 11375 -1989
GB/T 8642- 2002 Thermal Spray Determination of tensile bond strength of 2003 -04- 01 implementation, instead of GB /T 8642-1988
GB/T 12607- 2003 thermal spray coatings industry has been transformed into naming standard:JB/T 10580-2006
GB/T 12608- 2003 thermal spray flame and arc spraying with wire, rod and core material classification and technical delivery conditions 2004 -05- 11 implementation, instead of GB /T 12608-1990
GB/T 18681- 2002 low pressure plasma sprayed thermal spraying Ni - Co - Chrome - Al - Y - tantalum alloy coating 2002 -08-
GB/T 16744- 2002 thermal spray coating with self-fluxing remelting 2002 -12- 01 implementation, instead of GB /T 16744-1997
GB/T 18719- 2002 thermal spray terminology, classification 2002 -12- 01 quality implementation
GB/T 19352.1- 2003 Thermal Spray implementation of thermally sprayed structures 01 Requirements Part 1: to select and use guide 2004 -05- 01 implementation
GB/T 19352.2- 2003 quality thermal spraying of thermally sprayed structures - Part 2: comprehensive quality requirements 2004 -05- 01 implementation
GB/T 19352.3- 2003 Hot mass spraying of thermally sprayed structures - Part 3: quality standards 2004 -05- 01 implementation
GB/T 19352.4- 2003 quality thermal spraying of thermally sprayed structures - Part 4: basic quality requirements 2004 -05- 01 Implementation
GB/T 19356- 2003 thermal spray powder composition and technical delivery conditions 2004 -05- 01 implementation
GB/T 19823- 2005 thermal spray engineering parts thermal spray coatings applied step 2005 -12- 01 implementation
GB/T 19824- 2005 thermal spray thermal spraying operation staff assessment requirements 2005 -12- 01 implementation
GB/T 20019- 2005 Thermal spraying - Acceptance inspection of thermal spraying equipment 2006 -04- 01 implementation
GB/T 8640- 1988 metal thermal spray coating surface Rockwell hardness test method has been transformed into the industry standard:YS/T 541-2006
GB/T 8641- 1988 Determination of the tensile strength of the thermal spray coating has been transformed into the industry standard:YS/T 542-2006
GB/T 11373- 1989 thermal spraying metal surface pretreatment General 1990 -01- 01 implementation
GB/T 11374- 1989 non-destructive thermal spray coating thickness measurement method 1990 -01- 01 implementation
GB/T 13222- 1991 Determination of interlaminar shear strength of the metal thermal spray has been transformed into the industry standard:YS/T 550-2006