991 中文名称: 钢分类 英文名称: Steels - Classification 行业分类: GB 国家标准 发布机构: 国家技术监督局 发布日期: 1991-12-13 实施日期: 1992-10-1 标准状态: superseded
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English Name: welding consumables - wire electrodes, wires, rods and deposits for gas-shielded arc welding of high strength steels - Classification.
简体中文标题：焊接消耗品。高强度钢气体保护电弧焊用焊丝电极、焊丝、焊条和沉积金属。分类。
English Name: welding consumables - wire electrodes, strip electrodes, wires and rods for fusion welding of stainless and heat resisting steels - Classification.
简体中文标题：焊接消耗品。不锈钢和耐热钢氧炔焊用焊丝电极、焊丝和焊条。分类。
English Name:Welding consumables - Tubular cored electrodes for metal arc welding with and without a gas shield of non alloy and fine grain steels - Classification;
简体中文标题：焊接材料。带和不带气体保护的合金钢以及细晶粒钢电弧焊用管状焊条。分类。
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