GB/T 3131-2020 Active National standards

GB/T 3131-2020 Tin-lead solder

GB/T 3131-2020 Tin-lead solder

Publish Date: 2020-09-29 Implement Date: 2021-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
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Basic Information

Standard Code: GB/T 3131-2020
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Heavy metals and their alloys
ICS Name: Lead, zinc, and tin products
Publish Date: 2020-09-29
Implement Date: 2021-08-01
Pages: 17 pages

Scope

This standard specifies the classification and marking of tin-lead brazing alloys, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality certificates, as well as the content of purchase orders (or contracts). This standard applies to tin-lead brazing alloys used in the welding of electronic and electrical equipment, communication equipment, and other machinery manufacturing.

Development Information

Word Count: 34 Thousand words Pages: 17 pages

Replace the following standards

Referenced Standards

GB/T 10574.1-2003 Methods for chemical analysis of tin-lead solders—Determination of tin content GB/T 10574.2-2003 Methods for chemical analysis of Tin-lead solders—Determination of antimony content GB/T 10574.3-2003 Methods for chemical analysis of tin-lead solder—Determination of bismuth content GB/T 10574.4-2003 Methods for chemical analysis of tin-lead solders—Determination of iron content GB/T 10574.5-2003 Methods for chemical analysis of tin-lead solders—Determination of arsenic content GB/T 10574.6-2003 Methods for chemical analysis of tin-lead solders—Determination of copper content GB/T 10574.7-2017 Methods for chemical analysis of tin-lead solders—Part 7:Determination of silver content—Flame atomic absorption spectrometry and potassium thiocyanate potentiometric titra GB/T 10574.8-2017 Methods for chemical analysis of tin-lead solders—Part 8:Determination of zinc content—Flame atomic absorption spectrometric method GB/T 10574.9-2017 Methods for chemical analysis of tin-lead solders—Part 9:Determination of aluminium content—Graphite furnace atomic absorption spectrometric method GB/T 10574.10-2017 Methods for chemical analysis of tin-lead solders—Part 10:Determination of cadmium content—Flame atomic absorption spectrometry and Na2EDTA titration method GB/T 10574.11-2017 Methods for chemical analysis of tin-lead solders—Part 11:Determination of phosphorus content—Crystal violet phosphorus-vanadium-molybdeum heteropoly acid spectrophotometry GB/T 10574.12-2017 Methods for chemical analysis of tin-lead solders—Part 12:Determination of sulfur content—High frequency combustion with infrared absorption method GB/T 10574.13-2017 Methods for chemical analysis of tin-lead solders—Part 13:Determination of antimony,bismuth,iron,arsenic,copper,silver,zinc,aluminium,cadmium,phosphorous and gold contents—Inductively coupled plasma atomic emission spectrometric method GB/T 10574.14-2017 Methods for chemical analysis of tin-lead solders—Part 14:Determination of tin,lead,antimony,bismuth,silver,copper,zinc,cadmium and arsenic content—Optical emission spectrometry GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 15829-2008 Soft soldering flux—Classification and requirements GB/T 15829-2021 Soft soldering flux—Classification and requirements GB/T 15829.1-1995 Soldering fluxes—Classification, labelling and packaging GB/T 15829.2-1995 Soldering fluxes—Resin basis fluxes GB/T 15829.3-1995 Soldering fluxes—Organic fluxes GB/T 15829.4-1995 Soldering fluxes—Inorganic fluxes

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