Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 39
Get Book
Book Description
This Document specifies the nodularity calculation, metallographic sample preparation, inspection rules, inspection items and rating charts, result representation and inspection report of spheroidal graphite cast iron. This Document specifies the methods for evaluating the microstructure of spheroidal graphite cast iron by visual method and evaluating the nodularity of spheroidal graphite cast ion by computer image analysis software.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 23
Get Book
Book Description
This standard specifies the method for assessing the microstructure of spheroidal graphite cast iron in optical microscopes. This standard specifies the methods for assessing spheroidizing grade, graphite size, number of nodular graphite, number of pearlite, number of ferrite in dispersed distribution, number of phosphide eutectic, and number of carbide; it lists out the corresponding standard figures.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 19
Get Book
Book Description
This document specifies the test methods for the volume resistance and volume resistivity of insulating materials, under DC voltage and temperature not higher than 800 degree-Celcius. This document applies to high-temperature resistant mica plates, alumina ceramics and other materials.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 11
Get Book
Book Description
This Document specifies the cross-sectional shape, size and tolerance, appearance and weight of titanium and titanium alloy bars and wires. This Document is applicable to titanium and titanium alloy wires with a diameter of 0.1mm~7.0mm (hereinafter referred to as wire); titanium and titanium alloy round bars with a diameter of greater than 7.0mm~450.0mm (hereinafter referred to as round bars); titanium and titanium alloy square bars with the side length of 30.0mm~450.0mm (hereinafter referred to as square bars); titanium and titanium alloy rectangular bars with a thickness of 25.0mm~204.0mm and a width of 25.0mm~254.0mm.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 12
Get Book
Book Description
This document specifies linear and angular dimension tolerance grades and limit deviations of stamping pieces without tolerance indication. This document applies to metal stamping pieces. Non-metal stamping pieces may refer to this document. The limit deviations specified in this document apply to non-fitted dimensions.
Author: https://www.chinesestandard.net
Publisher: www.ChineseStandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 11
Get Book
Book Description
This Standard specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation and storage for craft crystal decoration. This Standard applies to craft crystal decoration that takes synthetic crystal, crystal glass and natural crystal as the main raw materials.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 8
Get Book
Book Description
This document specifies the types, dimensions, technical conditions, and marking of square head bolts. This document is applicable to square head bolts with thread specifications of M10~M48 and product grade C.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 12
Get Book
Book Description
This document specifies the types, dimensions, technical conditions and designation of eye bolts. This document is applicable to eye bolts with the thread specification of M5 ~ M39 and the product grade of Grade-A, Grade-B and Grade-C.
Author: https://www.chinesestandard.net
Publisher: www.ChineseStandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 21
Get Book
Book Description
This Standard specifies the related terms and definitions, classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of mobile laboratory of sample collection and treatment. This Standard is applicable to land-use mobile laboratories that handle sample collection and treatment of primary agricultural products, processed food, water quality, medicines, pesticides, feedstuffs and chemical products, etc.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 59
Get Book
Book Description
This standard specifies the test process, test requirement model, test types for the performance of system and software. This standard applies to the analysis, design, execution of performance testing for system and software.
