strength level, bulk density level, specification size, product grade, and standard number.　　There are six levels of volumetric density: B B, B, B, B,YangguAerated block, and BYanggu,　　Promoting the application of earth blocks for external wall self insulation, autoclaved sand aerated concrete blocks, and internal partition wall autoclaved sand aerated concrete blocks　　There are seven strength levels: A, A, A, A, A,Yanggublock, A, and AHamburg-Eimsbuettel,　　 Blocks are classified according to their compressive strength and volumetric density.　　Marking examples: strength level A, bulk density level B, superior　　 Blocks are classified according to their compressive strength and volumetric density.

　　If the purchasing unit needs other specifications they can negotiate with the production factory to determine.　　Aerated blocks are divided into fly ash aerated concrete blocks and sand aerated concrete blocks, among which fly ash autoclaved aerated concrete blocks　　Marking examples: strength level A, bulk density level B, superiorSafety and health　　 Blocks are classified according to their compressive strength and volumetric density.　　 Blocks are classified according to their compressive strength and volumetric density.　　 Blocks are classified according to their compressive strength and volumetric density.

　　 The following standards contain provisions that constitute the provisions of this standard by reference in this standard. At the time of publication of this standard, and all parties using this standard should explore the possibility of using the latest versions of the following standards.Installation requirements,　　Control standard for radioactive substances in building materials mixed with industrial waste - Determination of steady-state thermal resistance and related characteristics of insulation materials - Protective hot plate method for testing the performance of aerated concrete - General rules - Test methods for volumetric density, moisture content, and water absorption of aerated concrete - Mechanical properties of aerated concrete - Test methods for drying shrinkage of aerated concrete - Test methods for frost resistance of aerated concrete ( - Terminology of bricks and blocks Product classification Specifications: The specifications and dimensions of the blocks are shown in Table 　　Starting from January , , Huai&#;an City will phase out fly ash aerated concrete in construction projects throughout the city　　Control standard for radioactive substances in building materials mixed with industrial waste - Determination of steady-state thermal resistance and related characteristics of insulation materials - Protective hot plate method for testing the performance of aerated concrete - General rules - Test methods for volumetric density, moisture content, and water absorption of aerated concrete - Mechanical properties of aerated concrete - Test methods for drying shrinkage of aerated concrete - Test methods for frost resistance of aerated concrete ( - Terminology of bricks and blocks Product classification Specifications: The specifications and dimensions of the blocks are shown in Table Yanggu, they can negotiate with the production factory to determine.　　Marking examples: strength level A, bulk density level B, superior　　Specification for autoclaved aerated concrete blocks Scope This standard specifies the product classification, technical requirements,Yangguaerated block brick, test methods, inspection rules, product quality instructions, stacking, and transportation of autoclaved aerated concrete blocks.