GB/T 5682-2015Ferroboron (English PDF)
硼铁
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 11, 2015
Implementation date
June 1, 2016
Scope
GB/T 5682-2015 is the English-translated version of 硼铁.
GB/T 5682-2015 is the Chinese standard "Ferroboron". Its scope clause reads: This standard specifies the technical requirements for iron boron, test methods, inspection rules and packaging, storage and transportation, marking and certification.
This standard applies to steelmaking, casting and for amorphous, Nanocrystalline alloy, NdFeB alloys and other uses for the element boron-iron-boron added agent. Its clauses include technical requirements.
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Document preview — GB/T 5682-2015
National Standard of the People's Republic of China
- ICS
- 77.100
- Classification
- H 42
- Replacing
- GB/T 5682-1995
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Technical requirements
- 3.1 Grades and chemical composition
1 Scope
This standard specifies the technical requirements for iron boron, test methods, inspection rules and packaging, storage and transportation, marking and certification.
This standard applies to steelmaking, casting and for amorphous, Nanocrystalline alloy, NdFeB alloys and other uses for the element boron-iron-boron added agent.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
General provisions GB/T 3650 inspection, packing, storage and transportation, marking and certification of
Determination of boron content GB/T 3653.1 Methods for chemical analysis of ferroboron alkali titration
Determination of carbon content GB/T 3653.2 Methods for chemical analysis of ferroboron gas volumetric method
GB/T 3653.3 iron boron chemical analysis of perchloric acid dehydration gravimetric method for the determination of silicon content
GB/T 3653.4 almandine boron content - EDTA titration
GB/T 3653.5 Determination of sulfur content iron boron chemical analysis of chromatographic separation barium sulfate gravimetric method
GB/T 3653.6 iron boron chemical analysis of antimony phosphomolybdate blue spectrophotometric determination of phosphorus content
GB/T 4010 alloy chemical analysis and preparation of samples
Sampling and testing methods GB/T 13247 ferroalloy product particle size
3 Technical requirements
3.1 Grades and chemical composition
3.1.1
ferroboron different boron, carbon and impurity elements, divided into 12 grades, chemical composition shall comply with the requirements in Table 1.
Table 1 Grades and chemical composition
Grade category
Chemical composition (mass fraction) /%
C Si Al SP no greater than
Low Carbon
FeB22C0.05 21.0 ~ 25.0 0.05 1.0 1.5 0.010 0.050
FeB20C0.05 19.0 ~ < 21.0 0.05 1.0 1.5 0.010 0.050
FeB18C0.1 17.0 ~ < 19.0 0.10 1.0 1.5 0.010 0.050
FeB16C0.1 14.0 ~ < 17.0 0.10 1.0 1.5 0.010 0.050 […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 5682
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 5682-2015 | Ferroboron | current edition | Current |
| GB/T 5682-1995 | Ferroboron | previous edition | Superseded |
This page sells the current edition, GB/T 5682-2015. Earlier editions are listed for reference only.
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