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我國的管線用鋼研發(fā)雖然起步較晚，但發(fā)展步伐很快，從 1996 年在陜京線上首次采用 X60 鋼，到 2001 年在西氣東輸工程中成功應(yīng)用 X70 鋼，到 2005 年在冀寧支線上使用 X80 鋼，短短 10 年間，中國管線鋼已然跨越了 3 個臺階。

China's pipeline steel development started late, but the pace of development is very fast, in the Shaanxi Beijing line from 1996 to 2001 for the first time using X60 steel in the west east gas pipeline project in the successful application of X70 steel, X80 steel in 2005 to use Jining Branch, just 10 years, China has spanned 3 pipeline steel a step.

首次采用寶鋼 X120 管線用鋼板試制的直縫焊管，近日順利通過中國石油天然氣集團公司管材研究所權(quán)威檢測，該所的研究報告顯示，無論是化學(xué)成分還是力學(xué)性能均滿足標準要求，部分指標優(yōu)于國外同類鋼管實物水平，這意味著我國可生產(chǎn)全球最高強度管線鋼焊管，寶鋼成為國內(nèi)第一家、全球第四家具備 X120 管線鋼試生產(chǎn)能力的企業(yè)。

For the first time by Baosteel X120 pipeline steel welded pipe production, has recently passed the Chinese Petroleum Corporation pipe Research Institute Research Report by the testing authority, shows that both the chemical composition and mechanical properties meet the requirements of the standard, some indicators better than similar foreign steel physical level, this means that China can produce the highest in the world the strength of pipeline steel pipe, Baosteel to become the first domestic and global fourth furniture equipment of X120 pipeline steel production capacity of enterprises.

據(jù)悉， X120 是迄今為止等級最高的管線鋼，目前，國際上只有日本新日鐵、住友和歐洲一些公司有過生產(chǎn)實績。我國管線鋼的發(fā)展比發(fā)達國家晚了 20 多年，直到上世紀 90 年代初，寶鋼 X 系列管線鋼才開始起步，但發(fā)展很快，目前寶鋼已擁有從低端到高端完整的輸送管線焊管用管線鋼板卷系列生產(chǎn)能力。

It is reported that X120 is by far the highest level of pipeline steel, at present, the world only the Japanese Nippon Steel, Sumitomo and some European companies have production performance. The development of pipeline steel in China than in developed countries more than 20 years later, until the last century at the beginning of 90s, Baosteel X pipeline steel was started, but the development is very fast, the Baosteel has from the low-end to high-end integrated pipeline pipe production capacity for pipeline steel plate volume series.

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