91 GB/T 12215-1990 熔模铸造用铝矾土砂、粉 Bauxite sand and flour for investment casting 
92 GB/T 12216-1990 铸造用合脂粘结剂 The residue from distillation of synthetic fatty acids as binder for foundry 
93 GB/T 12361-1990 钢质模锻件 通用技术条件 General specification of steel die forgings 
94 GB/T 12362-1990 钢质模锻件 公差及机械加工余量 Tolerances and machining allowances of steel die forgings 
95 GB/T 12363-1990 锻件功能分类 Classification of forging functions 
96 GB/T 12469-1990 焊接质量保证 钢熔化焊接头的要求和缺陷分级 Quality assurance of welding—Requirement for fusion welding joint of steel and classification for imperfection 
97 GB/T 12470-1990 低合金钢埋弧焊用焊剂 Fluxes for the submerged arc welding of low alloy steel 
98 GB/T 12603-1990 金属热处理工艺分类及代号 Classification and designation on metal heat treatment 
99 GB 12935-1991 焊条烘干炉运行能耗标准 Energy consumption standard in operation of covered electrode furnace 
100 GB/T 13311-1991 锅炉受压元件焊接接头机械性能试验方法 Boiler pressure parts—Mechanical test for welded joints
101 GB/T 13320-1991 钢质模锻件 金相组织评级图及评定方法 metallographic grading atlas and assessing method for steel die forgings 
102 GB/T 13450-1992 对接焊接头宽板拉伸试验方法 Method of wide plate tension test for butt welded joint 
103 GB/T 13679-1992 锰基钎料 Manganese base brazing filler metals 
104 GB/T 13814-1992 镍及镍合金焊条 Nickel and nickel alloy covered welding electrodes 
105 GB/T 13815-1992 铝基钎料 Aluminium base brazing filler metals 
106 GB/T 13816-1992 焊接接头脉动拉伸疲劳试验方法 Test method for pulsed tensile fatigue of welded joints 
107 GB/T 13817-1992 对接接头刚性拘束焊接裂纹试验方法 Method of rigid restraint cracking test for welding butt joint 
108 GB/T 13818-1992 压铸锌合金 Zinc die-casting alloys 
109 GB/T 13819-1992 铜合金铸件 Copper alloy castings 
110 GB/T 13820-1992 镁合金铸件 Magnesium alloy castings
111 GB/T 13821-1992 锌合金压铸件 Zinc alloy die castings 
112 GB/T 13822-1992 压铸有色合金试样 Test specimens for non ferrous diecasting alloys 
113 GB/T 13914-1992 冲压件尺寸公差 Tolerance of dimensions for stampings 
114 GB/T 13915-1992 冲压件角度公差Tolerance of angles for stampings 
115 GB/T 13916-1992 冲压件形状和位置未注公差 Unnoted tolerance of shape and position for stampings 
116 GB/T 13925-1992 铸造高锰钢金相 metallographs for high manganese cast steel 
117 GB/T 14235.1-1993 熔模铸造模料 熔点测定方法(冷却曲线法) Testing method for melting point of pattern materials in investment casting 
118 GB/T 14235.2-1993 熔模铸造模料 抗弯强度测定方法 Testing method for bending strength of pattern materials in investment casting 
119 GB/T 14235.3-1993 熔模铸造模料 灰分测定方法 Testing method for ash content of pattern materials in investment casting 
120 GB/T 14235.4-1993 熔模铸造模料 线收缩率测定方法 Testing method for linear contraction of pattern materials in investment casting121 GB/T 14235.5-1993 熔模铸造模料 表面硬度测定方法 Testing method for surface hardness of pattern materials in investment casting 
 

 
  




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浙公网安备: 33028102000314号