SA193-B7 B8 B16对应的国内材料？ sa193 is a specification growing in popularity. technical threads stocks and supplies a variety of sa193 materials. sa193 is an asme spec, often considered to be a sister spec to a193. similar to a193, sa193 bolting is often found in heavy process industries. it is commonly found on the pressure equipment the plants rely on, such as boilers, heat exchangers, tanks and other pressure vessels. sa193 b7 heavy hex bolts and sa193 b7 studs are the most common sa fasteners. 《中国钢铁材料牌号手册》 《金属材料牌号对照手册》《新编世界钢铁牌号手册 中外对照 新旧对照》《中外金属材料牌号速查手册》 《世界钢铁牌号表示方法与对照手册》 《中外不锈钢和耐热钢牌号速查手册》 《中国钢及合金实用标准牌号1000种》 特殊钢一般不好查对，因为老外公布的成分一般都是假的。 查看更多
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