JB/T 7948.2-2017 Active Industry standards-Mechanical

JB/T 7948.2-2017 Soldering flux chemical analysis method - Part 2: Determination of manganese oxide content

Publish Date: 2017-11-07 Implement Date: 2018-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JB/T 7948.2-2017

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Welding and cutting

ICS Name: Welding consumables

Publish Date: 2017-11-07

Implement Date: 2018-04-01

Pages: 11 pages

Development Information

Pages: 11 pages

Same series standard

JB/T 7948.1-2017 JB/T 7948.1-2017 Methods for chemical analysis of welding flux - Part 1: Determination of silica content JB/T 7948.3-2017 Soldering flux chemical analysis method - Part 3: Determination of aluminum oxide content JB/T 7948.4-2017 Soldering flux chemical analysis methods - Part 4: Determination of iron oxide content JB/T 7948.5-2017 JB/T 7948.5-2017 Methods for chemical analysis of welding flux - Part 5: Determination of calcium fluoride content JB/T 7948.6-2017 JB/T 7948.6-2017 Methods for chemical analysis of flux - Part 6: Determination of phosphorus content JB/T 7948.7-2017 JB/T 7948.7-2017 Methods for chemical analysis of welding flux - Part 7: Determination of sodium oxide and potassium oxide content JB/T 7948.8-2017 The Chemical Analysis Methods of Welding Accelerators - Part 8: Determination of Carbon and Sulfur Content JB/T 7948.9-2017 The Chemical Analysis Methods of Welding Consul - Part 9: Determination of Calcium Oxide and Magnesium Oxide Content

Replace the following standards

JB/T 7948.2-1999 JB/T 7948.2-1999 Melted flux chemical analysis methods Electrochemical potentiometry method for determining manganese oxide content JB/T 7948.3-1999 Methods for chemical analysis of melted welding fluxes The permanganate photome tric method for determination of manganese oxide content

Related Standards

GB/T 3731-1983 Abolished

GB/T 3731-1983 Covered electrodes—Determination of the efficiency, metal recovery and deposition coefficient

Publish Date: 1983-06-21

GB/T 8454-1987 Replaced

GB/T 8454-1987 Determination of ferrous iron content in reduced ilmenite powder for welding rod

Publish Date: 1987-12-25

GB/T 11364-1989 Replaced

GB/T 11364-1989 Test method of spread-ability and clearance filling ability for filler metal

Publish Date: 1989-05-08

GB/T 13679-1992 Replaced

GB/T 13679-1992 Manganese base brazing filler metals

Publish Date: 1992-09-22

GB/T 13814-1992 Replaced

GB/T 13814-1992 Nickel and nickel alloy covered welding electrodes

Publish Date: 1992-11-05

GB/T 13815-1992 Replaced

GB/T 13815-1992 Aluminium base brazing filler metals

Publish Date: 1992-11-05