GB/T 9437-1988 耐热铸铁件 Heat resistant iron castings

GB/T 9438-1988 铝合金铸件技术条件 Aluminium alloy castings--Technical specification

GB/T 9439-1988 灰铸铁件 Grey iron castings

GB/T 9440-1988 可锻铸铁件 Malleable iron castings

GB/T 9441-1988 球墨铸铁金相检验 Metallographic test for spheroidal graphite cast iron

GB/T 9446-1988 焊接用插销冷裂纹试验方法 Welding--Cold cracking test method using implants

GB/T 9447-1988 焊接接头疲劳裂纹扩展速率试验方法 Test method for fatigue crack growth rates of welded joints

GB 9448-1988 焊接与切割安全 Safety in welding and cutting

GB/T 9450-1988 钢件渗碳淬火有效硬化层深度的测定和校核 Determination and verification of the effective depth of carburizod and hardened cases of steel parts

GB/T 9451-1988 钢件薄表面总硬化层深度或有效硬化层深度的测定 Determination of total or effective thickness of thin surface hardened layers of steel parts

GB/T 9452-1988 热处理炉有效加热区测定方法 Testing method for working zone of heat treating furnace

GB/T 9460-1988 铜及铜合金焊丝 Welding wire and rods of copper and copper alloys

GB/T 10044-1988 铸铁焊条及焊丝 Covered electrodes and welding rods for welding cast iron

GB/T 10045-1988 碳钢药芯焊丝 Carbon steel flux cored wires for arc welding

GB/T 10046-1988 银基钎料 Silver brazing filler metals

GB/T 10858-1989 铝及铝合金焊丝 Aluminium and aluminium alloy welding rods and wires

GB/T 10859-1989 镍基钎料 Nickel base brazing filler metals

GB/T 11350-1989 铸件机械加工余量 Machining allowances on castings

GB/T 11351-1989 铸件重量公差 Mass tolerances for castings

GB/T 11352-1989 一般工程用铸造碳钢件 Carbon steel castings for general engineering purposes

GB/T 11354-1989 钢铁零件 渗氮层深度测定和金相组织检验 Steel-iron parts
关键字:机械工程词汇
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