Standard No.:	GB/T 28293-2012
English Name:	Ground iron and steel slag
Chinese Name:	钢铁渣粉
Chinese Classification:	H54    Other steel and iron products
Professional Classification:	GB    National Standard
ICS Classification:	77.140.99 77.140.99    Other iron and steel products 77.140.99
Issued by:	AQSIQ;SAC
Issued on:	2012-5-11
Implemented on:	2013-2-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	140.0
Delivery:	via email in 1 business day

Ground iron and steel slag 1 Scope This standard specifies the definition, components and materials, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of ground iron and steel slag. This standard is applicable to ground iron and steel slag used as concrete admixture and cement admixture. Ground iron and steel slag may be used in other building materials and products with reference to this standard. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB 175 Common portland cement GB/T 176 Methods for chemical analysis of cement GB/T 203 Granulated blastfurnace slag used for cement production GB/T 208 Test method for determining cement density GB/T 750 Autoclave method for soundness of portland cement GB/T 1346 Test methods for water requirement of normal consistency, setting time and soundness of the portland cement GB/T 2419 Test method for fluidity of cement mortar GB/T 5483 Natural gypsum GB 6566 Limits of radionuclides in building materials GB/T 8074 Testing method for specific surface of cement—Blaine method GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values GB 9774 Sacks for packing cement GB/T 12573 Sampling method for cement GB/T 17671 Method of testing cements—Determination of strength GB/T 21371 By-product gypsum used in cement JC/T667 Processing additions for use in the manufacture of hydraulic cement GB/T 022 Steel slag used for cement YB/T 804 Terminology for iron and steel slag & treatment and utilization  

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Components and materials 5 Activity grade 6 Technical requirements 7 Test methods 8 Inspection rules 9 Packaging, marking, transportation and storage Annex A (Normative) Determination of water content in ground iron and steel slag Annex B (Normative) Determination of activity index and fluidity ratio of ground iron and steel slag