GB/T 5678-1985 铸造合金光谱分析取样方法 The method for sampling cast alloys for spectrochemical analysis

GB/T 6208-1995 钎料型号表示方法 Filler metal for soft soldering and brazing--Designation

GB/T 6296-1986 灰铸铁冲击试验方法 Grey cast iron impact test

GB/T 6416-1986 影响钢熔化焊接头质量的技术因素 Technical factors influencing the quality of the fusion welded joints in steel

GB/T 6417-1986 金属熔化焊焊缝缺陷分类及说明 Classification of imperfections in metallic fusion welds, with explanations

GB/T 6418-1993 铜基钎料 Copper base brazing filler metals

GB/T 6967-1986 工程结构用中、高强度不锈钢铸件 Medium and high strength stainless steel castings for engineering structure purposes

GB/T 7032-1986 T型角焊接头弯曲试验方法 Method of bend test for T type fillet welded joint

GB/T 7143-1986 铸造用硅砂化学分析方法 Methods for chemical analysis of silica sand for foundry

GB/T 7216-1987 灰铸铁金相 Gray cast iron metallography

GB/T 7232-1987 金属热处理工艺术语 Terminology of metal heat treatment

GB/T 7233-1987 铸钢件超声探伤及质量评级标准 Methods for ultrasonic testing and for specifying quality levels of steel castings

GB/T 7659-1987 焊接结构用碳素钢铸件 Carbon steel castings suitable for welded structure

GB/T 8063-1994 铸造有色金属及其合金牌号表示方法 Designation of cast nonferrous metals and their alloys

GB/T 8110-1995 气体保护电弧焊用碳钢、低合金钢焊丝 Welding wires for gas shielding arc welding of carbon and low alloy steels

GB/T 8121-1987 热处理工艺材料名词术语 The terminology of technological materials for heat treatment

GB/T 8263-1987 抗磨白口铸铁技术条件 Specification for abrasion resistant white cast irons

GB/T 8454-1987 焊条用还原钛铁矿粉中亚铁量的测定 Determination of ferrous iron content in reduced ilmenite powder for welding rod

GB/T 8491-1987 高硅耐蚀铸铁件 Corrosion resistant high silicon iron castings

GB/T 8492-1987 耐热钢铸件 Heat resistant steel castings

GB/T 8493-1987 一般工程用铸造碳钢金相 Metallograph of cast carbon steels for general engineering purposes



GB/T 8539-1987 齿轮材料及热处理质量检验的一般规定 General specification for quality inspection of gear materials and their heat treatment

GB/T 8619-1988 钎缝强度试验方法 Method of the strength test for brazed and soldered seam
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