GB/T 38960-2020
Cryogenic-resistant controlled expansion alloys (English Version)

Standard No.

GB/T 38960-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 38960-2020

Scope

This standard specifies the order content, classification and code name, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of low-temperature resistant iron-nickel-chromium-based fixed expansion alloys. This standard applies to the field of space optoelectronics. The iron-nickel-cobalt-based fixed-expansion alloy 4J329D rods, flats, and strips that are matched or sealed with semiconductors and hard glasses in the semiconductor industry and other harsh deep-low temperature application environments , Wire and pipe (hereinafter referred to as alloy material).

GB/T 38960-2020 Referenced Document

• GB/T 11170 Stainless steel .Determination of multi-element contents.Spark discharge atomic emission spectrometric method (Routine method)
• GB/T 14985 General rules of dimensions,shape,surface,quality,testing method and inspection for expansion alloys
• GB/T 223.12 Methods for chemical analysis of iron,steel and alloy--The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content
• GB/T 223.17 Methods for chemical analysis of iron,steel and alloy--The diantipyrylmethane photometric method for the determination of titanium content
• GB/T 223.19 Methods for chemical analysis of iron,steel and alloy--The neocuproine-chloroform extraction photometric method for the determination of copper content
• GB/T 223.20 Methods for chemical analysis of iron steel and alloy.The Potentiometric titration method for the determination of cobalt content
• GB/T 223.25 Methods for chemical analysis of iron, steel and alloy.The dimethylglyoxime gravimetric method for the determination of nickel content
• GB/T 223.26 Iron,steel and alloy.Determination of molybdenum content.The thiocyanate spectrophotometric method
• GB/T 223.30 Methods for chemical analysis of iron,steel and alloy. The arsenazo Ⅲ spectrophotometric method for the determination of zirconium content after separation by p-bromomandelic acid
• GB/T 223.46 Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrometric method for the determination of magnesium content
• GB/T 223.5 Steel and iron.Determination of acid-soluble silicon and total silicon content.Reduced molybdosilicate spectrophotometric method
• GB/T 223.60 Methods for chemical analysis of iron, steel and alloy--The perchloric acid dehydration gravimetric method for the determination of silicon content
• GB/T 223.62 Methods for chemical analysis of iron, steel and alloy--The butyl acetate extraction photometric method for the determination of phosphorus content
• GB/T 223.64 Iron,steel and alloy.Determination of manganese content.Flame atomic absorption spectrometric method
• GB/T 223.79 Iron and steel-Determination of multi-element contents-X-ray fluorescence spectrometry (Routine method)
• GB/T 223.85 Steel and iron.Determination of sulfur content.Infrared absorption method after combustion in an induction furnace
• GB/T 223.86 Steel and iron.Determination of total carbon content.Infrared absorption method after combustion in an induction furnace
• GB/T 223.9 Iron,steel and alloy.Determination of aluminium content.Chrome azurol S photometric method
• GB/T 228.1 Metallic materials—Tensile testing—Part 1: Method of test at room temperature*， 2021-12-31 Update
• GB/T 2975 Steel and steel products.Location and preparation of samples and test pieces for mechanical testing
• GB/T 38960 Cryogenic-resistant controlled expansion alloys
• GB/T 4162 Method for ultrasonic testing of forged and rolled steel bars*， 2022-04-15 Update
• GB/T 4339 Test methods for thermal expansion characteristic parameters of metallic materials
• GB/T 4340.1 Metallic materials.Vickers hardness test.Part 1:Test method
• GB/T 5777 Automated full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections
• GB/T 6394 Determination of estimating the average grain size of metal
• GB/T 8651 Flaw detection method by the ultrasonic plate wave for metal plates
• YB/T 5242 General rules of packaging, marking and quality certification for precision alloys

GB/T 38960-2020 history

• 2020 GB/T 38960-2020 Cryogenic-resistant controlled expansion alloys