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 casting
121 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
122 GB/T 14235.6-1993 熔模铸造模料 酸值测定方法 Testing method for acid number of pattern materials in investment casting
123 GB/T 14235.7-1993 熔模铸造模料 流动性测定方法 Testing method for fluidity of pattern materials in investment casting
124 GB/T 14235.8-1993 熔模铸造模料 粘度测定方法 Testing method for viscosity of pattern materials in investment casting
125 GB/T 14235.9-1993 熔模铸造模料 热稳定性测定方法 Testing method for thermal stability of pattern materials in investment casting
126 GB/T 14408-1993 一般工程与结构用低合金铸钢件 Low alloy steel castings for general engineering and structural purposes
127 GB/T 15055-1994 冲压件未注公差尺寸极限偏差 Permissible stamping varitions in dimensions without tolerance indication
128 GB/T 15056-1994 铸造表面粗糙度 评定方法 evaluation method on cast surface roughness
129 GB/T 15111-1994 点焊接头剪切拉伸疲劳试验方法 Test method for shear tensile fatigue of spot welded joints
130 GB/T 15114-1994 铝合金压铸件 Aluminium alloy die-castings
131 GB/T 15115-1994 压铸铝合金 Die casting aluminium alloys
132 GB/T 15116-1994 压铸铜合金 Die casting copper alloys
133 GB/T 15117-1994 铜合金压铸件 Copper alloy die castings
134 GB/T 15169-1994 钢熔化焊手焊工资格考核方法 Approval testing of manual welders--Fusion welding-steel
135 GB/T 15620-1995 镍及镍合金焊丝 Nickel and nickel alloy welding wires
136 GB 15735-1995 金属热处理生产过程安全卫生要求 Requirements for the safety and health in production process of metal heat treatment
137 GB/T 15747-1995 正面角焊缝接头拉伸试验方法 Method of tension test for front fillet welded joint
138 GB/T 15825.1-1995 金属薄板成形性能与试验方法 成形性能和指标 Sheet metal formability and test methods--Formability and indexes
139 GB/T 15825.2-1995 金属薄板成形性能与试验方法 通用试验规程 Sheet metal formability and test methods--General test rules
140 GB/T 15825.3-1995 金属薄板成形性能与试验方法 拉深与拉深载荷试验 Sheet metal formability and test methods--Drawing and drawing load test
141 GB/T 15825.4-1995 金属薄板成形性能和试验方法 扩孔试验 Sheet metal formability and test methods--Hole expanding test
142 GB/T 15825.5-1995 金属薄板成形性能与试验方法 弯曲试验 Sheet metal formability and test methods--Bending test
143 GB/T 15825.6-1995 金属薄板成形性能与试验方法 锥杯试验 Sheet metal formability and test methods--Conical cup test
144 GB/T 15825.7-1995 金属薄板成形性能与试验方法 凸耳试验 Sheet metal formability and test methods--Earing test
145 GB/T 15825.8-1995 金属薄板成形性能与试验方法 成形极限图(FLD)试验 Sheet metal formability and test methods--Forming limit diagram (FLD) test
146 GB/T 15826.1-1995 锤上钢质自由锻件机械加工余量与公差一般要求 Machining allowances and tolerances for steel open die forgings on hammer--General reguirement
147 GB/T 15826.2-1995 锤上钢质自由锻件机械加工余量与公差盘、柱类 Machining allowances and tolerances for steel open die forgings on hammer--Disks and columns
148 GB/T 15826.3-1995 锤上钢质自由锻件机械加工余量与公差 带孔圆盘类 Machining allowances and tolerances for steel open die forgings on hammer--Disk swith holes
149 GB/T 15826.4-1995 锤上钢质自由锻件机械加工余量与公差 圆环类 Machining allowances and tolerances for steel open die forgings on hammer--Rings
150 GB/T 15826.5-1995 锤上钢质自由锻件机械加工余量与公差 套筒类 Machining allowances and tolerances for steel open die forgings on hammer--Seamles cylinder hushings
151 GB/T 15826.6-1995 锤上钢质自由锻件机械加工余量与公差 光轴类 Machining allowances and tolerances for steel open die forgings on hammer--Shaft without steps
152 GB/T 15826.7-1995 锤上钢质自由锻件机械加工余量与公差 台阶轴类 Machining allowances and tolerances for steel open die forgings on hammer--Shaft with steps
153 GB/T 15826.8-1995 锤上钢质自由锻件机械加工余量与公差 单拐曲轴类 Machining allowances and tolerances for steel open dle forgings on hammer--Single throw crankshaft
154 GB/T 15826.9-1995 锤上钢质自由锻件机械加工余量与公差 黑皮锻件 Machining allowances and tolerances for steel open die forgings on hammer--Forging without machining
155 GB/T 15829.1-1995 软钎焊用钎剂 分类、标记与包装 Soldering fluxes--Classification, labelling and packaging
156 GB/T 15829.2-1995 软钎焊用钎剂 树脂类钎剂 Soldering fluxes--Resin basis fluxes
157 GB/T 15829.3-1995 软钎焊用钎剂 有机物类钎剂 Soldering fluxes--Organic fluxes
158 GB/T 15829.4-1995 软钎焊用钎剂 无机物类钎剂 Soldering fluxes--Inorganic fluxes
159 GB/T 16253-1996 承压钢铸件 Steel castings for pressure purposes
160 GB/T 16672-1996 焊缝 工作位置 倾角和转角的定义 Welds--Working positions--Definitions of angles of slope and rotation
161 GB/T 8541-1997 锻压术语 Terminolgy of forging and stamping
162 GB/T 16743-1997 冲裁间隙 Blanking clearance
163 GB/T 16746-1997 锌合金铸件 Zinc alloy castings
164 GB/T 1175-1997 铸造锌合金 Casting zinc alloys
165 GB/T 16923-1997 钢件的正火与退火 Normalizing and annealing of steel parts
166 GB/T 16924-1997 钢件的淬火与回火 Quenching and tempering of steel parts
167 GB/T 16957-1997 复合钢板焊接接头力学性能试验方法 Mechanical tests on welded joints in clad plates
168 GB/T 6060.1-1997 表面粗糙度比较样块 铸造表面 Roughness comparison specimens Cast surfaces
169 GB/T 5611-1998 铸造术语 Foundry terminology
170 GB/T 5680-1998 高锰钢铸件 Austenitic manganese steel castings
171 GB/T 9442-1998 铸造用硅砂 Foundry silica sand
172 GB/T 17445-1998 铸造磨球 Cast grinding balls
173 GB/T 12467.1-1998 焊接质量要求 金属材料的熔化焊 第一部分: 选择及使用指南 Quality requirements for welding--Fusion welding o
生物质锅炉针刺毡覆膜滤袋PPS为何做PTFE浸渍处理
现在环保日益严格，很多的厂家被要求安装除尘设备，不安装就会被停止施工，在购买除尘设备的时候厂家首先想到的是安装布袋除尘器
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