ASTM A333 GR.6低温管和焊接低温钢管
标准：ASTM A333——Seamless and Welded Steel Pipe for Low-Temperature Service无缝钢管
主要生产钢管牌号：Grade 1, Grade 3, Grade 4, Grade 6, Grade 7, Grade 8, Grade 9, Grade 10, Grade 11冲击温度：
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